{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_718300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.92417787863229,
              18.478770137208173,
              -44.75871303342984
            ],
            [
              -66.92416863712741,
              18.4795376956616,
              -44.75871303342984
            ],
            [
              -66.92312625395532,
              18.47952626569327,
              100.24128696657016
            ],
            [
              -66.9231355000927,
              18.478758707747946,
              100.24128696657016
            ],
            [
              -66.92417787863229,
              18.478770137208173,
              -44.75871303342984
            ]
          ]
        ]
      },
      "bbox": [
        -66.92417788,
        18.47875871,
        -44.75871303,
        -66.92312625,
        18.4795377,
        100.241287
      ],
      "properties": {
        "datetime": "2019-01-21T20:24:55Z",
        "pc:count": 24501,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 719260.8785,
            "count": 24501,
            "maximum": 719300.01,
            "minimum": 719189.89,
            "name": "X",
            "position": 0,
            "stddev": 25.32648348,
            "variance": 641.4307656
          },
          {
            "average": 2044475.3,
            "count": 24501,
            "maximum": 2044499.999,
            "minimum": 2044415.019,
            "name": "Y",
            "position": 1,
            "stddev": 14.41214212,
            "variance": 207.7098405
          },
          {
            "average": 90.89605861,
            "count": 24501,
            "maximum": 100.241287,
            "minimum": -44.75871303,
            "name": "Z",
            "position": 2,
            "stddev": 2.982175463,
            "variance": 8.893370492
          },
          {
            "average": 1892.717154,
            "count": 24501,
            "maximum": 2419,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 459.069965,
            "variance": 210745.2327
          },
          {
            "average": 1.289539202,
            "count": 24501,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7239350771,
            "variance": 0.5240819958
          },
          {
            "average": 1.568180891,
            "count": 24501,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.080086048,
            "variance": 1.16658587
          },
          {
            "average": 1,
            "count": 24501,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24501,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.222766418,
            "count": 24501,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4205021727,
            "variance": 0.1768220772
          },
          {
            "average": 16.70624171,
            "count": 24501,
            "maximum": 19.68000031,
            "minimum": 13.82400036,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.601651714,
            "variance": 2.565288212
          },
          {
            "average": 1,
            "count": 24501,
            "maximum": 1,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 95,
            "count": 24501,
            "maximum": 95,
            "minimum": 95,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232137494.1,
            "count": 24501,
            "maximum": 232137495.1,
            "minimum": 232137493.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.3755201827,
            "variance": 0.1410154076
          },
          {
            "average": 1,
            "count": 24501,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24501,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24501,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2595812416,
            "count": 24501,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4384138062,
            "variance": 0.1922066655
          },
          {
            "average": 0,
            "count": 24501,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          719189.89,
          2044415.019,
          -44.75871303,
          719300.01,
          2044499.999,
          100.241287
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                719189.890003651,
                2044415.0185760956,
                -44.75871303342984
              ],
              [
                719189.890003651,
                2044499.9985760956,
                -44.75871303342984
              ],
              [
                719300.0100036511,
                2044499.9985760956,
                100.24128696657016
              ],
              [
                719300.0100036511,
                2044415.0185760956,
                100.24128696657016
              ],
              [
                719189.890003651,
                2044415.0185760956,
                -44.75871303342984
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:24:55+00:00",
        "end_time": "2019-01-21T20:24:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_718300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_718300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_718300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.92417788,
            18.47875871,
            -44.75871303,
            -66.92312625,
            18.4795377,
            100.241287
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.92417787863229,
                  18.478770137208173,
                  -44.75871303342984
                ],
                [
                  -66.92416863712741,
                  18.4795376956616,
                  -44.75871303342984
                ],
                [
                  -66.92312625395532,
                  18.47952626569327,
                  100.24128696657016
                ],
                [
                  -66.9231355000927,
                  18.478758707747946,
                  100.24128696657016
                ],
                [
                  -66.92417787863229,
                  18.478770137208173,
                  -44.75871303342984
                ]
              ]
            ]
          },
          "id": "20190121_718300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:24:55Z",
            "pc:count": 24501,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 719260.8785,
                "count": 24501,
                "maximum": 719300.01,
                "minimum": 719189.89,
                "name": "X",
                "position": 0,
                "stddev": 25.32648348,
                "variance": 641.4307656
              },
              {
                "average": 2044475.3,
                "count": 24501,
                "maximum": 2044499.999,
                "minimum": 2044415.019,
                "name": "Y",
                "position": 1,
                "stddev": 14.41214212,
                "variance": 207.7098405
              },
              {
                "average": 90.89605861,
                "count": 24501,
                "maximum": 100.241287,
                "minimum": -44.75871303,
                "name": "Z",
                "position": 2,
                "stddev": 2.982175463,
                "variance": 8.893370492
              },
              {
                "average": 1892.717154,
                "count": 24501,
                "maximum": 2419,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 459.069965,
                "variance": 210745.2327
              },
              {
                "average": 1.289539202,
                "count": 24501,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7239350771,
                "variance": 0.5240819958
              },
              {
                "average": 1.568180891,
                "count": 24501,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.080086048,
                "variance": 1.16658587
              },
              {
                "average": 1,
                "count": 24501,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24501,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.222766418,
                "count": 24501,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4205021727,
                "variance": 0.1768220772
              },
              {
                "average": 16.70624171,
                "count": 24501,
                "maximum": 19.68000031,
                "minimum": 13.82400036,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.601651714,
                "variance": 2.565288212
              },
              {
                "average": 1,
                "count": 24501,
                "maximum": 1,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 95,
                "count": 24501,
                "maximum": 95,
                "minimum": 95,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232137494.1,
                "count": 24501,
                "maximum": 232137495.1,
                "minimum": 232137493.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.3755201827,
                "variance": 0.1410154076
              },
              {
                "average": 1,
                "count": 24501,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24501,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24501,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2595812416,
                "count": 24501,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4384138062,
                "variance": 0.1922066655
              },
              {
                "average": 0,
                "count": 24501,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              719189.89,
              2044415.019,
              -44.75871303,
              719300.01,
              2044499.999,
              100.241287
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    719189.890003651,
                    2044415.0185760956,
                    -44.75871303342984
                  ],
                  [
                    719189.890003651,
                    2044499.9985760956,
                    -44.75871303342984
                  ],
                  [
                    719300.0100036511,
                    2044499.9985760956,
                    100.24128696657016
                  ],
                  [
                    719300.0100036511,
                    2044415.0185760956,
                    100.24128696657016
                  ],
                  [
                    719189.890003651,
                    2044415.0185760956,
                    -44.75871303342984
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:24:55+00:00",
            "end_time": "2019-01-21T20:24:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_683300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.25768023522633,
              18.38351647035157,
              -124.45224820572446
            ],
            [
              -67.25767096845422,
              18.384438668955223,
              -124.45224820572446
            ],
            [
              -67.25546222610114,
              18.3844184252461,
              120.76775179427554
            ],
            [
              -67.25547150460618,
              18.383496227728486,
              120.76775179427554
            ],
            [
              -67.25768023522633,
              18.38351647035157,
              -124.45224820572446
            ]
          ]
        ]
      },
      "bbox": [
        -67.25768024,
        18.38349623,
        -124.4522482,
        -67.25546223,
        18.38443867,
        120.7677518
      ],
      "properties": {
        "datetime": "2019-02-01T16:28:50Z",
        "pc:count": 89947,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 684225.0931,
            "count": 89947,
            "maximum": 684300.0046,
            "minimum": 684066.5846,
            "name": "X",
            "position": 0,
            "stddev": 51.32751612,
            "variance": 2634.513911
          },
          {
            "average": 2033532.158,
            "count": 89947,
            "maximum": 2033602.062,
            "minimum": 2033499.982,
            "name": "Y",
            "position": 1,
            "stddev": 22.42967429,
            "variance": 503.0902887
          },
          {
            "average": -0.03935917107,
            "count": 89947,
            "maximum": 120.7677518,
            "minimum": -124.4522482,
            "name": "Z",
            "position": 2,
            "stddev": 0.8312243011,
            "variance": 0.6909338387
          },
          {
            "average": 810.3639588,
            "count": 89947,
            "maximum": 2365,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 501.2313898,
            "variance": 251232.9061
          },
          {
            "average": 1.010806364,
            "count": 89947,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1043543251,
            "variance": 0.01088982517
          },
          {
            "average": 1.020378667,
            "count": 89947,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1433238429,
            "variance": 0.02054172395
          },
          {
            "average": 0.536882831,
            "count": 89947,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4986405731,
            "variance": 0.2486424211
          },
          {
            "average": 0.01138448197,
            "count": 89947,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.106089588,
            "variance": 0.01125500067
          },
          {
            "average": 10.67351885,
            "count": 89947,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 17.72579274,
            "variance": 314.2037284
          },
          {
            "average": 17.62918097,
            "count": 89947,
            "maximum": 21,
            "minimum": 10.00199986,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.322783959,
            "variance": 5.395325319
          },
          {
            "average": 0.9378189378,
            "count": 89947,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9274677109,
            "variance": 0.8601963547
          },
          {
            "average": 122,
            "count": 89947,
            "maximum": 122,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 233073728.3,
            "count": 89947,
            "maximum": 233073730.5,
            "minimum": 233073725.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.227098492,
            "variance": 1.505770708
          },
          {
            "average": 0.9378189378,
            "count": 89947,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9274677109,
            "variance": 0.8601963547
          },
          {
            "average": 0,
            "count": 89947,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 89947,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.6114711997,
            "count": 89947,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4874185193,
            "variance": 0.2375768129
          },
          {
            "average": 0,
            "count": 89947,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          684066.5846,
          2033499.982,
          -124.4522482,
          684300.0046,
          2033602.062,
          120.7677518
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                684066.584642288,
                2033499.9823598466,
                -124.45224820572446
              ],
              [
                684066.584642288,
                2033602.0623598467,
                -124.45224820572446
              ],
              [
                684300.004642288,
                2033602.0623598467,
                120.76775179427554
              ],
              [
                684300.004642288,
                2033499.9823598466,
                120.76775179427554
              ],
              [
                684066.584642288,
                2033499.9823598466,
                -124.45224820572446
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:28:50+00:00",
        "end_time": "2019-02-01T16:28:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_683300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_683300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_683300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_683300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.25768024,
            18.38349623,
            -124.4522482,
            -67.25546223,
            18.38443867,
            120.7677518
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.25768023522633,
                  18.38351647035157,
                  -124.45224820572446
                ],
                [
                  -67.25767096845422,
                  18.384438668955223,
                  -124.45224820572446
                ],
                [
                  -67.25546222610114,
                  18.3844184252461,
                  120.76775179427554
                ],
                [
                  -67.25547150460618,
                  18.383496227728486,
                  120.76775179427554
                ],
                [
                  -67.25768023522633,
                  18.38351647035157,
                  -124.45224820572446
                ]
              ]
            ]
          },
          "id": "20190201_683300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_683300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:28:50Z",
            "pc:count": 89947,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 684225.0931,
                "count": 89947,
                "maximum": 684300.0046,
                "minimum": 684066.5846,
                "name": "X",
                "position": 0,
                "stddev": 51.32751612,
                "variance": 2634.513911
              },
              {
                "average": 2033532.158,
                "count": 89947,
                "maximum": 2033602.062,
                "minimum": 2033499.982,
                "name": "Y",
                "position": 1,
                "stddev": 22.42967429,
                "variance": 503.0902887
              },
              {
                "average": -0.03935917107,
                "count": 89947,
                "maximum": 120.7677518,
                "minimum": -124.4522482,
                "name": "Z",
                "position": 2,
                "stddev": 0.8312243011,
                "variance": 0.6909338387
              },
              {
                "average": 810.3639588,
                "count": 89947,
                "maximum": 2365,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 501.2313898,
                "variance": 251232.9061
              },
              {
                "average": 1.010806364,
                "count": 89947,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1043543251,
                "variance": 0.01088982517
              },
              {
                "average": 1.020378667,
                "count": 89947,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1433238429,
                "variance": 0.02054172395
              },
              {
                "average": 0.536882831,
                "count": 89947,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4986405731,
                "variance": 0.2486424211
              },
              {
                "average": 0.01138448197,
                "count": 89947,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.106089588,
                "variance": 0.01125500067
              },
              {
                "average": 10.67351885,
                "count": 89947,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 17.72579274,
                "variance": 314.2037284
              },
              {
                "average": 17.62918097,
                "count": 89947,
                "maximum": 21,
                "minimum": 10.00199986,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.322783959,
                "variance": 5.395325319
              },
              {
                "average": 0.9378189378,
                "count": 89947,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9274677109,
                "variance": 0.8601963547
              },
              {
                "average": 122,
                "count": 89947,
                "maximum": 122,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 233073728.3,
                "count": 89947,
                "maximum": 233073730.5,
                "minimum": 233073725.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.227098492,
                "variance": 1.505770708
              },
              {
                "average": 0.9378189378,
                "count": 89947,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9274677109,
                "variance": 0.8601963547
              },
              {
                "average": 0,
                "count": 89947,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 89947,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.6114711997,
                "count": 89947,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4874185193,
                "variance": 0.2375768129
              },
              {
                "average": 0,
                "count": 89947,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              684066.5846,
              2033499.982,
              -124.4522482,
              684300.0046,
              2033602.062,
              120.7677518
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    684066.584642288,
                    2033499.9823598466,
                    -124.45224820572446
                  ],
                  [
                    684066.584642288,
                    2033602.0623598467,
                    -124.45224820572446
                  ],
                  [
                    684300.004642288,
                    2033602.0623598467,
                    120.76775179427554
                  ],
                  [
                    684300.004642288,
                    2033499.9823598466,
                    120.76775179427554
                  ],
                  [
                    684066.584642288,
                    2033499.9823598466,
                    -124.45224820572446
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:28:50+00:00",
            "end_time": "2019-02-01T16:28:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_692300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17492965305067,
              18.500189500088858,
              -117.63528301657794
            ],
            [
              -67.17486581312227,
              18.506212352045093,
              -117.63528301657794
            ],
            [
              -67.16900351795209,
              18.506155693150404,
              570.464716983422
            ],
            [
              -67.16906756265426,
              18.500132860932904,
              570.464716983422
            ],
            [
              -67.17492965305067,
              18.500189500088858,
              -117.63528301657794
            ]
          ]
        ]
      },
      "bbox": [
        -67.17492965,
        18.50013286,
        -117.635283,
        -67.16900352,
        18.50621235,
        570.464717
      ],
      "properties": {
        "datetime": "2019-01-21T19:08:26Z",
        "pc:count": 653599,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693110.0833,
            "count": 653599,
            "maximum": 693300.0085,
            "minimum": 692680.8885,
            "name": "X",
            "position": 0,
            "stddev": 142.3795347,
            "variance": 20271.9319
          },
          {
            "average": 2046680.991,
            "count": 653599,
            "maximum": 2047166.705,
            "minimum": 2046499.985,
            "name": "Y",
            "position": 1,
            "stddev": 120.1557547,
            "variance": 14437.4054
          },
          {
            "average": 0.273797796,
            "count": 653599,
            "maximum": 570.464717,
            "minimum": -117.635283,
            "name": "Z",
            "position": 2,
            "stddev": 12.95568963,
            "variance": 167.8498937
          },
          {
            "average": 746.6329584,
            "count": 653599,
            "maximum": 3089,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 483.3719602,
            "variance": 233648.4519
          },
          {
            "average": 1.013668932,
            "count": 653599,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1177220907,
            "variance": 0.01385849064
          },
          {
            "average": 1.027405183,
            "count": 653599,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1666924529,
            "variance": 0.02778637384
          },
          {
            "average": 0.3241192229,
            "count": 653599,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4680451767,
            "variance": 0.2190662874
          },
          {
            "average": 0.005706863077,
            "count": 653599,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07532797271,
            "variance": 0.005674303472
          },
          {
            "average": 13.20628857,
            "count": 653599,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.60967272,
            "variance": 384.5392644
          },
          {
            "average": -1.770877069,
            "count": 653599,
            "maximum": 23.7840004,
            "minimum": -22.96800041,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.08680735,
            "variance": 146.0909119
          },
          {
            "average": 1.43891744,
            "count": 653599,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.264133268,
            "variance": 1.59803292
          },
          {
            "average": 72.02998169,
            "count": 653599,
            "maximum": 85,
            "minimum": 71,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6008984515,
            "variance": 0.361078949
          },
          {
            "average": 232127952.2,
            "count": 653599,
            "maximum": 232132906.3,
            "minimum": 232127736.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 194.2933835,
            "variance": 37749.91889
          },
          {
            "average": 1.43891744,
            "count": 653599,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.264133268,
            "variance": 1.59803292
          },
          {
            "average": 0,
            "count": 653599,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 653599,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1793607395,
            "count": 653599,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3836543885,
            "variance": 0.1471906898
          },
          {
            "average": 0,
            "count": 653599,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692680.8885,
          2046499.985,
          -117.635283,
          693300.0085,
          2047166.705,
          570.464717
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692680.8884529773,
                2046499.9850262648,
                -117.63528301657794
              ],
              [
                692680.8884529773,
                2047166.705026265,
                -117.63528301657794
              ],
              [
                693300.0084529774,
                2047166.705026265,
                570.464716983422
              ],
              [
                693300.0084529774,
                2046499.9850262648,
                570.464716983422
              ],
              [
                692680.8884529773,
                2046499.9850262648,
                -117.63528301657794
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:08:26+00:00",
        "end_time": "2019-01-21T17:42:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_692300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_692300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_692300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_692300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17492965,
            18.50013286,
            -117.635283,
            -67.16900352,
            18.50621235,
            570.464717
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17492965305067,
                  18.500189500088858,
                  -117.63528301657794
                ],
                [
                  -67.17486581312227,
                  18.506212352045093,
                  -117.63528301657794
                ],
                [
                  -67.16900351795209,
                  18.506155693150404,
                  570.464716983422
                ],
                [
                  -67.16906756265426,
                  18.500132860932904,
                  570.464716983422
                ],
                [
                  -67.17492965305067,
                  18.500189500088858,
                  -117.63528301657794
                ]
              ]
            ]
          },
          "id": "20190121_692300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_692300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:08:26Z",
            "pc:count": 653599,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693110.0833,
                "count": 653599,
                "maximum": 693300.0085,
                "minimum": 692680.8885,
                "name": "X",
                "position": 0,
                "stddev": 142.3795347,
                "variance": 20271.9319
              },
              {
                "average": 2046680.991,
                "count": 653599,
                "maximum": 2047166.705,
                "minimum": 2046499.985,
                "name": "Y",
                "position": 1,
                "stddev": 120.1557547,
                "variance": 14437.4054
              },
              {
                "average": 0.273797796,
                "count": 653599,
                "maximum": 570.464717,
                "minimum": -117.635283,
                "name": "Z",
                "position": 2,
                "stddev": 12.95568963,
                "variance": 167.8498937
              },
              {
                "average": 746.6329584,
                "count": 653599,
                "maximum": 3089,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 483.3719602,
                "variance": 233648.4519
              },
              {
                "average": 1.013668932,
                "count": 653599,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1177220907,
                "variance": 0.01385849064
              },
              {
                "average": 1.027405183,
                "count": 653599,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1666924529,
                "variance": 0.02778637384
              },
              {
                "average": 0.3241192229,
                "count": 653599,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4680451767,
                "variance": 0.2190662874
              },
              {
                "average": 0.005706863077,
                "count": 653599,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07532797271,
                "variance": 0.005674303472
              },
              {
                "average": 13.20628857,
                "count": 653599,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.60967272,
                "variance": 384.5392644
              },
              {
                "average": -1.770877069,
                "count": 653599,
                "maximum": 23.7840004,
                "minimum": -22.96800041,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.08680735,
                "variance": 146.0909119
              },
              {
                "average": 1.43891744,
                "count": 653599,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.264133268,
                "variance": 1.59803292
              },
              {
                "average": 72.02998169,
                "count": 653599,
                "maximum": 85,
                "minimum": 71,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6008984515,
                "variance": 0.361078949
              },
              {
                "average": 232127952.2,
                "count": 653599,
                "maximum": 232132906.3,
                "minimum": 232127736.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 194.2933835,
                "variance": 37749.91889
              },
              {
                "average": 1.43891744,
                "count": 653599,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.264133268,
                "variance": 1.59803292
              },
              {
                "average": 0,
                "count": 653599,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 653599,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1793607395,
                "count": 653599,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3836543885,
                "variance": 0.1471906898
              },
              {
                "average": 0,
                "count": 653599,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692680.8885,
              2046499.985,
              -117.635283,
              693300.0085,
              2047166.705,
              570.464717
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692680.8884529773,
                    2046499.9850262648,
                    -117.63528301657794
                  ],
                  [
                    692680.8884529773,
                    2047166.705026265,
                    -117.63528301657794
                  ],
                  [
                    693300.0084529774,
                    2047166.705026265,
                    570.464716983422
                  ],
                  [
                    693300.0084529774,
                    2046499.9850262648,
                    570.464716983422
                  ],
                  [
                    692680.8884529773,
                    2046499.9850262648,
                    -117.63528301657794
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:08:26+00:00",
            "end_time": "2019-01-21T17:42:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_716300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.95130948715394,
              18.49790024390106,
              -125.51908373691134
            ],
            [
              -66.95126249987656,
              18.501849733503608,
              -125.51908373691134
            ],
            [
              -66.94179525571305,
              18.501746962156577,
              530.6409162630887
            ],
            [
              -66.94184245974645,
              18.497797496037112,
              530.6409162630887
            ],
            [
              -66.95130948715394,
              18.49790024390106,
              -125.51908373691134
            ]
          ]
        ]
      },
      "bbox": [
        -66.95130949,
        18.4977975,
        -125.5190837,
        -66.94179526,
        18.50184973,
        530.6409163
      ],
      "properties": {
        "datetime": "2019-01-21T19:28:58Z",
        "pc:count": 2106812,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 716807.2464,
            "count": 2106812,
            "maximum": 717300.0021,
            "minimum": 716300.0021,
            "name": "X",
            "position": 0,
            "stddev": 288.4625449,
            "variance": 83210.63981
          },
          {
            "average": 2046683.438,
            "count": 2106812,
            "maximum": 2046937.247,
            "minimum": 2046499.987,
            "name": "Y",
            "position": 1,
            "stddev": 118.1775697,
            "variance": 13965.93798
          },
          {
            "average": 0.09795135687,
            "count": 2106812,
            "maximum": 530.6409163,
            "minimum": -125.5190837,
            "name": "Z",
            "position": 2,
            "stddev": 9.300070104,
            "variance": 86.49130394
          },
          {
            "average": 773.1169335,
            "count": 2106812,
            "maximum": 3037,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 562.8280075,
            "variance": 316775.366
          },
          {
            "average": 1.030049667,
            "count": 2106812,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1755274223,
            "variance": 0.03080987597
          },
          {
            "average": 1.060131137,
            "count": 2106812,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.24799807,
            "variance": 0.06150304274
          },
          {
            "average": 0.4298765148,
            "count": 2106812,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4950583937,
            "variance": 0.2450828132
          },
          {
            "average": 0.006324247251,
            "count": 2106812,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07927328762,
            "variance": 0.006284254131
          },
          {
            "average": 19.51162135,
            "count": 2106812,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.59610145,
            "variance": 466.3915978
          },
          {
            "average": 3.496555995,
            "count": 2106812,
            "maximum": 23.11800003,
            "minimum": -21.45599937,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.32984701,
            "variance": 152.0251273
          },
          {
            "average": 0.9643000894,
            "count": 2106812,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.050368078,
            "variance": 1.1032731
          },
          {
            "average": 86.3215332,
            "count": 2106812,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4670649892,
            "variance": 0.2181497041
          },
          {
            "average": 232133611.7,
            "count": 2106812,
            "maximum": 232134138.4,
            "minimum": 232133356.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 355.8990926,
            "variance": 126664.1641
          },
          {
            "average": 0.9643000894,
            "count": 2106812,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.050368078,
            "variance": 1.1032731
          },
          {
            "average": 0,
            "count": 2106812,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2106812,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1694147366,
            "count": 2106812,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3751179153,
            "variance": 0.1407134504
          },
          {
            "average": 0,
            "count": 2106812,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          716300.0021,
          2046499.987,
          -125.5190837,
          717300.0021,
          2046937.247,
          530.6409163
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                716300.0021108664,
                2046499.987149001,
                -125.51908373691134
              ],
              [
                716300.0021108664,
                2046937.2471490009,
                -125.51908373691134
              ],
              [
                717300.0021108664,
                2046937.2471490009,
                530.6409162630887
              ],
              [
                717300.0021108664,
                2046499.987149001,
                530.6409162630887
              ],
              [
                716300.0021108664,
                2046499.987149001,
                -125.51908373691134
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:28:58+00:00",
        "end_time": "2019-01-21T19:15:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_716300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_716300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_716300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_716300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.95130949,
            18.4977975,
            -125.5190837,
            -66.94179526,
            18.50184973,
            530.6409163
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.95130948715394,
                  18.49790024390106,
                  -125.51908373691134
                ],
                [
                  -66.95126249987656,
                  18.501849733503608,
                  -125.51908373691134
                ],
                [
                  -66.94179525571305,
                  18.501746962156577,
                  530.6409162630887
                ],
                [
                  -66.94184245974645,
                  18.497797496037112,
                  530.6409162630887
                ],
                [
                  -66.95130948715394,
                  18.49790024390106,
                  -125.51908373691134
                ]
              ]
            ]
          },
          "id": "20190121_716300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_716300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:28:58Z",
            "pc:count": 2106812,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 716807.2464,
                "count": 2106812,
                "maximum": 717300.0021,
                "minimum": 716300.0021,
                "name": "X",
                "position": 0,
                "stddev": 288.4625449,
                "variance": 83210.63981
              },
              {
                "average": 2046683.438,
                "count": 2106812,
                "maximum": 2046937.247,
                "minimum": 2046499.987,
                "name": "Y",
                "position": 1,
                "stddev": 118.1775697,
                "variance": 13965.93798
              },
              {
                "average": 0.09795135687,
                "count": 2106812,
                "maximum": 530.6409163,
                "minimum": -125.5190837,
                "name": "Z",
                "position": 2,
                "stddev": 9.300070104,
                "variance": 86.49130394
              },
              {
                "average": 773.1169335,
                "count": 2106812,
                "maximum": 3037,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 562.8280075,
                "variance": 316775.366
              },
              {
                "average": 1.030049667,
                "count": 2106812,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1755274223,
                "variance": 0.03080987597
              },
              {
                "average": 1.060131137,
                "count": 2106812,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.24799807,
                "variance": 0.06150304274
              },
              {
                "average": 0.4298765148,
                "count": 2106812,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4950583937,
                "variance": 0.2450828132
              },
              {
                "average": 0.006324247251,
                "count": 2106812,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07927328762,
                "variance": 0.006284254131
              },
              {
                "average": 19.51162135,
                "count": 2106812,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.59610145,
                "variance": 466.3915978
              },
              {
                "average": 3.496555995,
                "count": 2106812,
                "maximum": 23.11800003,
                "minimum": -21.45599937,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.32984701,
                "variance": 152.0251273
              },
              {
                "average": 0.9643000894,
                "count": 2106812,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.050368078,
                "variance": 1.1032731
              },
              {
                "average": 86.3215332,
                "count": 2106812,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4670649892,
                "variance": 0.2181497041
              },
              {
                "average": 232133611.7,
                "count": 2106812,
                "maximum": 232134138.4,
                "minimum": 232133356.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 355.8990926,
                "variance": 126664.1641
              },
              {
                "average": 0.9643000894,
                "count": 2106812,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.050368078,
                "variance": 1.1032731
              },
              {
                "average": 0,
                "count": 2106812,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2106812,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1694147366,
                "count": 2106812,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3751179153,
                "variance": 0.1407134504
              },
              {
                "average": 0,
                "count": 2106812,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              716300.0021,
              2046499.987,
              -125.5190837,
              717300.0021,
              2046937.247,
              530.6409163
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    716300.0021108664,
                    2046499.987149001,
                    -125.51908373691134
                  ],
                  [
                    716300.0021108664,
                    2046937.2471490009,
                    -125.51908373691134
                  ],
                  [
                    717300.0021108664,
                    2046937.2471490009,
                    530.6409162630887
                  ],
                  [
                    717300.0021108664,
                    2046499.987149001,
                    530.6409162630887
                  ],
                  [
                    716300.0021108664,
                    2046499.987149001,
                    -125.51908373691134
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:28:58+00:00",
            "end_time": "2019-01-21T19:15:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_684300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.25547155272449,
              18.38349623626472,
              -148.22580780546252
            ],
            [
              -67.25542512562615,
              18.38811011381481,
              -148.22580780546252
            ],
            [
              -67.24596224360155,
              18.38802307688487,
              457.7341921945375
            ],
            [
              -67.24600892221477,
              18.38340922269186,
              457.7341921945375
            ],
            [
              -67.25547155272449,
              18.38349623626472,
              -148.22580780546252
            ]
          ]
        ]
      },
      "bbox": [
        -67.25547155,
        18.38340922,
        -148.2258078,
        -67.24596224,
        18.38811011,
        457.7341922
      ],
      "properties": {
        "datetime": "2019-02-01T16:34:25Z",
        "pc:count": 2719821,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 684927.3951,
            "count": 2719821,
            "maximum": 685300.0195,
            "minimum": 684299.9995,
            "name": "X",
            "position": 0,
            "stddev": 257.2253634,
            "variance": 66164.88759
          },
          {
            "average": 2033666.364,
            "count": 2719821,
            "maximum": 2034010.703,
            "minimum": 2033499.983,
            "name": "Y",
            "position": 1,
            "stddev": 117.2349781,
            "variance": 13744.04008
          },
          {
            "average": 0.6183489791,
            "count": 2719821,
            "maximum": 457.7341922,
            "minimum": -148.2258078,
            "name": "Z",
            "position": 2,
            "stddev": 17.02298459,
            "variance": 289.7820043
          },
          {
            "average": 865.3044259,
            "count": 2719821,
            "maximum": 2922,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 494.0652735,
            "variance": 244100.4945
          },
          {
            "average": 1.008766018,
            "count": 2719821,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09420057971,
            "variance": 0.008873749218
          },
          {
            "average": 1.01758829,
            "count": 2719821,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1335500008,
            "variance": 0.01783560272
          },
          {
            "average": 0.3711247909,
            "count": 2719821,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4831058541,
            "variance": 0.2333912663
          },
          {
            "average": 0.003564940487,
            "count": 2719821,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05960061235,
            "variance": 0.003552232992
          },
          {
            "average": 26.49039514,
            "count": 2719821,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.5210727,
            "variance": 421.1144246
          },
          {
            "average": 0.7181669448,
            "count": 2719821,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.50082563,
            "variance": 156.2706414
          },
          {
            "average": 1.322213852,
            "count": 2719821,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.214966274,
            "variance": 1.476143046
          },
          {
            "average": 122.1898243,
            "count": 2719821,
            "maximum": 123,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3921620391,
            "variance": 0.1537910649
          },
          {
            "average": 233073783.6,
            "count": 2719821,
            "maximum": 233074065.8,
            "minimum": 233073709.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 133.9900049,
            "variance": 17953.32142
          },
          {
            "average": 1.322213852,
            "count": 2719821,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.214966274,
            "variance": 1.476143046
          },
          {
            "average": 0,
            "count": 2719821,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2719821,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2052896128,
            "count": 2719821,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4039131685,
            "variance": 0.1631458477
          },
          {
            "average": 0,
            "count": 2719821,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          684299.9995,
          2033499.983,
          -148.2258078,
          685300.0195,
          2034010.703,
          457.7341922
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                684299.9995485058,
                2033499.9832558115,
                -148.22580780546252
              ],
              [
                684299.9995485058,
                2034010.7032558117,
                -148.22580780546252
              ],
              [
                685300.0195485058,
                2034010.7032558117,
                457.7341921945375
              ],
              [
                685300.0195485058,
                2033499.9832558115,
                457.7341921945375
              ],
              [
                684299.9995485058,
                2033499.9832558115,
                -148.22580780546252
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:34:25+00:00",
        "end_time": "2019-02-01T16:28:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_684300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_684300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_684300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_684300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.25547155,
            18.38340922,
            -148.2258078,
            -67.24596224,
            18.38811011,
            457.7341922
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.25547155272449,
                  18.38349623626472,
                  -148.22580780546252
                ],
                [
                  -67.25542512562615,
                  18.38811011381481,
                  -148.22580780546252
                ],
                [
                  -67.24596224360155,
                  18.38802307688487,
                  457.7341921945375
                ],
                [
                  -67.24600892221477,
                  18.38340922269186,
                  457.7341921945375
                ],
                [
                  -67.25547155272449,
                  18.38349623626472,
                  -148.22580780546252
                ]
              ]
            ]
          },
          "id": "20190201_684300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_684300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:34:25Z",
            "pc:count": 2719821,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 684927.3951,
                "count": 2719821,
                "maximum": 685300.0195,
                "minimum": 684299.9995,
                "name": "X",
                "position": 0,
                "stddev": 257.2253634,
                "variance": 66164.88759
              },
              {
                "average": 2033666.364,
                "count": 2719821,
                "maximum": 2034010.703,
                "minimum": 2033499.983,
                "name": "Y",
                "position": 1,
                "stddev": 117.2349781,
                "variance": 13744.04008
              },
              {
                "average": 0.6183489791,
                "count": 2719821,
                "maximum": 457.7341922,
                "minimum": -148.2258078,
                "name": "Z",
                "position": 2,
                "stddev": 17.02298459,
                "variance": 289.7820043
              },
              {
                "average": 865.3044259,
                "count": 2719821,
                "maximum": 2922,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 494.0652735,
                "variance": 244100.4945
              },
              {
                "average": 1.008766018,
                "count": 2719821,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09420057971,
                "variance": 0.008873749218
              },
              {
                "average": 1.01758829,
                "count": 2719821,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1335500008,
                "variance": 0.01783560272
              },
              {
                "average": 0.3711247909,
                "count": 2719821,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4831058541,
                "variance": 0.2333912663
              },
              {
                "average": 0.003564940487,
                "count": 2719821,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05960061235,
                "variance": 0.003552232992
              },
              {
                "average": 26.49039514,
                "count": 2719821,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.5210727,
                "variance": 421.1144246
              },
              {
                "average": 0.7181669448,
                "count": 2719821,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.50082563,
                "variance": 156.2706414
              },
              {
                "average": 1.322213852,
                "count": 2719821,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.214966274,
                "variance": 1.476143046
              },
              {
                "average": 122.1898243,
                "count": 2719821,
                "maximum": 123,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3921620391,
                "variance": 0.1537910649
              },
              {
                "average": 233073783.6,
                "count": 2719821,
                "maximum": 233074065.8,
                "minimum": 233073709.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 133.9900049,
                "variance": 17953.32142
              },
              {
                "average": 1.322213852,
                "count": 2719821,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.214966274,
                "variance": 1.476143046
              },
              {
                "average": 0,
                "count": 2719821,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2719821,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2052896128,
                "count": 2719821,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4039131685,
                "variance": 0.1631458477
              },
              {
                "average": 0,
                "count": 2719821,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              684299.9995,
              2033499.983,
              -148.2258078,
              685300.0195,
              2034010.703,
              457.7341922
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    684299.9995485058,
                    2033499.9832558115,
                    -148.22580780546252
                  ],
                  [
                    684299.9995485058,
                    2034010.7032558117,
                    -148.22580780546252
                  ],
                  [
                    685300.0195485058,
                    2034010.7032558117,
                    457.7341921945375
                  ],
                  [
                    685300.0195485058,
                    2033499.9832558115,
                    457.7341921945375
                  ],
                  [
                    684299.9995485058,
                    2033499.9832558115,
                    -148.22580780546252
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:34:25+00:00",
            "end_time": "2019-02-01T16:28:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_694300e_2048500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15950270330484,
              18.509074469394942,
              -106.52883850386189
            ],
            [
              -67.1594185752469,
              18.516940270967844,
              -106.52883850386189
            ],
            [
              -67.14994932379419,
              18.51684784097785,
              530.5311614961381
            ],
            [
              -67.15003388406605,
              18.508982081437274,
              530.5311614961381
            ],
            [
              -67.15950270330484,
              18.509074469394942,
              -106.52883850386189
            ]
          ]
        ]
      },
      "bbox": [
        -67.1595027,
        18.50898208,
        -106.5288385,
        -67.14994932,
        18.51694027,
        530.5311615
      ],
      "properties": {
        "datetime": "2019-01-21T18:56:03Z",
        "pc:count": 3344811,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694854.1561,
            "count": 3344811,
            "maximum": 695299.9996,
            "minimum": 694299.9996,
            "name": "X",
            "position": 0,
            "stddev": 284.9146716,
            "variance": 81176.37012
          },
          {
            "average": 2047799.015,
            "count": 3344811,
            "maximum": 2048370.725,
            "minimum": 2047499.985,
            "name": "Y",
            "position": 1,
            "stddev": 198.7445349,
            "variance": 39499.39015
          },
          {
            "average": 0.1832213524,
            "count": 3344811,
            "maximum": 530.5311615,
            "minimum": -106.5288385,
            "name": "Z",
            "position": 2,
            "stddev": 13.39710721,
            "variance": 179.4824817
          },
          {
            "average": 727.7114267,
            "count": 3344811,
            "maximum": 2907,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 553.3543724,
            "variance": 306201.0615
          },
          {
            "average": 1.042687614,
            "count": 3344811,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2105167657,
            "variance": 0.04431730865
          },
          {
            "average": 1.085605734,
            "count": 3344811,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2978286822,
            "variance": 0.08870192394
          },
          {
            "average": 0.4282059584,
            "count": 3344811,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4948188444,
            "variance": 0.2448456888
          },
          {
            "average": 0.005962967713,
            "count": 3344811,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07698969088,
            "variance": 0.005927412501
          },
          {
            "average": 22.04850708,
            "count": 3344811,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.84720198,
            "variance": 477.3002344
          },
          {
            "average": -1.217302294,
            "count": 3344811,
            "maximum": 25.03199959,
            "minimum": -26.74200058,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.40296021,
            "variance": 153.8334221
          },
          {
            "average": 1.014061482,
            "count": 3344811,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.075849518,
            "variance": 1.157452186
          },
          {
            "average": 82.5233064,
            "count": 3344811,
            "maximum": 84,
            "minimum": 81,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7875822006,
            "variance": 0.6202857227
          },
          {
            "average": 232131576.8,
            "count": 3344811,
            "maximum": 232132163.9,
            "minimum": 232131024.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 394.8294402,
            "variance": 155890.2869
          },
          {
            "average": 1.014061482,
            "count": 3344811,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.075849518,
            "variance": 1.157452186
          },
          {
            "average": 0,
            "count": 3344811,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3344811,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1663313712,
            "count": 3344811,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3723778828,
            "variance": 0.1386652876
          },
          {
            "average": 0,
            "count": 3344811,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9996,
          2047499.985,
          -106.5288385,
          695299.9996,
          2048370.725,
          530.5311615
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9995729886,
                2047499.9848034377,
                -106.52883850386189
              ],
              [
                694299.9995729886,
                2048370.724803438,
                -106.52883850386189
              ],
              [
                695299.9995729886,
                2048370.724803438,
                530.5311614961381
              ],
              [
                695299.9995729886,
                2047499.9848034377,
                530.5311614961381
              ],
              [
                694299.9995729886,
                2047499.9848034377,
                -106.52883850386189
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:56:03+00:00",
        "end_time": "2019-01-21T18:37:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_694300e_2048500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_694300e_2048500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_694300e_2048500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_694300e_2048500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.1595027,
            18.50898208,
            -106.5288385,
            -67.14994932,
            18.51694027,
            530.5311615
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15950270330484,
                  18.509074469394942,
                  -106.52883850386189
                ],
                [
                  -67.1594185752469,
                  18.516940270967844,
                  -106.52883850386189
                ],
                [
                  -67.14994932379419,
                  18.51684784097785,
                  530.5311614961381
                ],
                [
                  -67.15003388406605,
                  18.508982081437274,
                  530.5311614961381
                ],
                [
                  -67.15950270330484,
                  18.509074469394942,
                  -106.52883850386189
                ]
              ]
            ]
          },
          "id": "20190121_694300e_2048500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_694300e_2048500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:56:03Z",
            "pc:count": 3344811,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694854.1561,
                "count": 3344811,
                "maximum": 695299.9996,
                "minimum": 694299.9996,
                "name": "X",
                "position": 0,
                "stddev": 284.9146716,
                "variance": 81176.37012
              },
              {
                "average": 2047799.015,
                "count": 3344811,
                "maximum": 2048370.725,
                "minimum": 2047499.985,
                "name": "Y",
                "position": 1,
                "stddev": 198.7445349,
                "variance": 39499.39015
              },
              {
                "average": 0.1832213524,
                "count": 3344811,
                "maximum": 530.5311615,
                "minimum": -106.5288385,
                "name": "Z",
                "position": 2,
                "stddev": 13.39710721,
                "variance": 179.4824817
              },
              {
                "average": 727.7114267,
                "count": 3344811,
                "maximum": 2907,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 553.3543724,
                "variance": 306201.0615
              },
              {
                "average": 1.042687614,
                "count": 3344811,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2105167657,
                "variance": 0.04431730865
              },
              {
                "average": 1.085605734,
                "count": 3344811,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2978286822,
                "variance": 0.08870192394
              },
              {
                "average": 0.4282059584,
                "count": 3344811,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4948188444,
                "variance": 0.2448456888
              },
              {
                "average": 0.005962967713,
                "count": 3344811,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07698969088,
                "variance": 0.005927412501
              },
              {
                "average": 22.04850708,
                "count": 3344811,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.84720198,
                "variance": 477.3002344
              },
              {
                "average": -1.217302294,
                "count": 3344811,
                "maximum": 25.03199959,
                "minimum": -26.74200058,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.40296021,
                "variance": 153.8334221
              },
              {
                "average": 1.014061482,
                "count": 3344811,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.075849518,
                "variance": 1.157452186
              },
              {
                "average": 82.5233064,
                "count": 3344811,
                "maximum": 84,
                "minimum": 81,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7875822006,
                "variance": 0.6202857227
              },
              {
                "average": 232131576.8,
                "count": 3344811,
                "maximum": 232132163.9,
                "minimum": 232131024.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 394.8294402,
                "variance": 155890.2869
              },
              {
                "average": 1.014061482,
                "count": 3344811,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.075849518,
                "variance": 1.157452186
              },
              {
                "average": 0,
                "count": 3344811,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3344811,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1663313712,
                "count": 3344811,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3723778828,
                "variance": 0.1386652876
              },
              {
                "average": 0,
                "count": 3344811,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9996,
              2047499.985,
              -106.5288385,
              695299.9996,
              2048370.725,
              530.5311615
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9995729886,
                    2047499.9848034377,
                    -106.52883850386189
                  ],
                  [
                    694299.9995729886,
                    2048370.724803438,
                    -106.52883850386189
                  ],
                  [
                    695299.9995729886,
                    2048370.724803438,
                    530.5311614961381
                  ],
                  [
                    695299.9995729886,
                    2047499.9848034377,
                    530.5311614961381
                  ],
                  [
                    694299.9995729886,
                    2047499.9848034377,
                    -106.52883850386189
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:56:03+00:00",
            "end_time": "2019-01-21T18:37:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2042500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17901320595912,
              18.455056212622768,
              -92.2241030599375
            ],
            [
              -67.17891790668247,
              18.464090010605616,
              -92.2241030599375
            ],
            [
              -67.16945126496013,
              18.463998806630624,
              490.45589694006253
            ],
            [
              -67.16954705896418,
              18.454965056398283,
              490.45589694006253
            ],
            [
              -67.17901320595912,
              18.455056212622768,
              -92.2241030599375
            ]
          ]
        ]
      },
      "bbox": [
        -67.17901321,
        18.45496506,
        -92.22410306,
        -67.16945126,
        18.46409001,
        490.4558969
      ],
      "properties": {
        "datetime": "2019-01-26T13:00:52Z",
        "pc:count": 4466919,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692845.9393,
            "count": 4466919,
            "maximum": 693300.0103,
            "minimum": 692299.9903,
            "name": "X",
            "position": 0,
            "stddev": 308.7872892,
            "variance": 95349.58994
          },
          {
            "average": 2042033.805,
            "count": 4466919,
            "maximum": 2042500,
            "minimum": 2041499.98,
            "name": "Y",
            "position": 1,
            "stddev": 295.3891404,
            "variance": 87254.74424
          },
          {
            "average": -0.09867499643,
            "count": 4466919,
            "maximum": 490.4558969,
            "minimum": -92.22410306,
            "name": "Z",
            "position": 2,
            "stddev": 17.80108184,
            "variance": 316.8785145
          },
          {
            "average": 429.5060157,
            "count": 4466919,
            "maximum": 4504,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 631.9588086,
            "variance": 399371.9358
          },
          {
            "average": 1.373550091,
            "count": 4466919,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8709563633,
            "variance": 0.7585649868
          },
          {
            "average": 1.747086974,
            "count": 4466919,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.327899729,
            "variance": 1.763317691
          },
          {
            "average": 0.5081600987,
            "count": 4466919,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4999334643,
            "variance": 0.2499334687
          },
          {
            "average": 0.0081919999,
            "count": 4466919,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.09013818756,
            "variance": 0.008124892856
          },
          {
            "average": 26.22115736,
            "count": 4466919,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.37645083,
            "variance": 456.9526502
          },
          {
            "average": 0.02452802822,
            "count": 4466919,
            "maximum": 20.61599922,
            "minimum": -21.56999969,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.49821274,
            "variance": 156.2053217
          },
          {
            "average": 1.288757866,
            "count": 4466919,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.090438824,
            "variance": 1.18905683
          },
          {
            "average": 104.0440606,
            "count": 4466919,
            "maximum": 106,
            "minimum": 101,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.207253165,
            "variance": 1.457460204
          },
          {
            "average": 232541829,
            "count": 4466919,
            "maximum": 232542852.6,
            "minimum": 232540586.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 514.498714,
            "variance": 264708.9267
          },
          {
            "average": 1.288757866,
            "count": 4466919,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.090438824,
            "variance": 1.18905683
          },
          {
            "average": 0,
            "count": 4466919,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4466919,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2097792684,
            "count": 4466919,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4071510335,
            "variance": 0.1657719641
          },
          {
            "average": 0,
            "count": 4466919,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692299.9903,
          2041499.98,
          -92.22410306,
          693300.0103,
          2042500,
          490.4558969
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692299.9903015894,
                2041499.9797806388,
                -92.2241030599375
              ],
              [
                692299.9903015894,
                2042499.9997806388,
                -92.2241030599375
              ],
              [
                693300.0103015894,
                2042499.9997806388,
                490.45589694006253
              ],
              [
                693300.0103015894,
                2041499.9797806388,
                490.45589694006253
              ],
              [
                692299.9903015894,
                2041499.9797806388,
                -92.2241030599375
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T13:00:52+00:00",
        "end_time": "2019-01-26T12:23:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2042500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2042500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2042500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2042500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17901321,
            18.45496506,
            -92.22410306,
            -67.16945126,
            18.46409001,
            490.4558969
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17901320595912,
                  18.455056212622768,
                  -92.2241030599375
                ],
                [
                  -67.17891790668247,
                  18.464090010605616,
                  -92.2241030599375
                ],
                [
                  -67.16945126496013,
                  18.463998806630624,
                  490.45589694006253
                ],
                [
                  -67.16954705896418,
                  18.454965056398283,
                  490.45589694006253
                ],
                [
                  -67.17901320595912,
                  18.455056212622768,
                  -92.2241030599375
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2042500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2042500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T13:00:52Z",
            "pc:count": 4466919,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692845.9393,
                "count": 4466919,
                "maximum": 693300.0103,
                "minimum": 692299.9903,
                "name": "X",
                "position": 0,
                "stddev": 308.7872892,
                "variance": 95349.58994
              },
              {
                "average": 2042033.805,
                "count": 4466919,
                "maximum": 2042500,
                "minimum": 2041499.98,
                "name": "Y",
                "position": 1,
                "stddev": 295.3891404,
                "variance": 87254.74424
              },
              {
                "average": -0.09867499643,
                "count": 4466919,
                "maximum": 490.4558969,
                "minimum": -92.22410306,
                "name": "Z",
                "position": 2,
                "stddev": 17.80108184,
                "variance": 316.8785145
              },
              {
                "average": 429.5060157,
                "count": 4466919,
                "maximum": 4504,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 631.9588086,
                "variance": 399371.9358
              },
              {
                "average": 1.373550091,
                "count": 4466919,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8709563633,
                "variance": 0.7585649868
              },
              {
                "average": 1.747086974,
                "count": 4466919,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.327899729,
                "variance": 1.763317691
              },
              {
                "average": 0.5081600987,
                "count": 4466919,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4999334643,
                "variance": 0.2499334687
              },
              {
                "average": 0.0081919999,
                "count": 4466919,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.09013818756,
                "variance": 0.008124892856
              },
              {
                "average": 26.22115736,
                "count": 4466919,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.37645083,
                "variance": 456.9526502
              },
              {
                "average": 0.02452802822,
                "count": 4466919,
                "maximum": 20.61599922,
                "minimum": -21.56999969,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.49821274,
                "variance": 156.2053217
              },
              {
                "average": 1.288757866,
                "count": 4466919,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.090438824,
                "variance": 1.18905683
              },
              {
                "average": 104.0440606,
                "count": 4466919,
                "maximum": 106,
                "minimum": 101,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.207253165,
                "variance": 1.457460204
              },
              {
                "average": 232541829,
                "count": 4466919,
                "maximum": 232542852.6,
                "minimum": 232540586.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 514.498714,
                "variance": 264708.9267
              },
              {
                "average": 1.288757866,
                "count": 4466919,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.090438824,
                "variance": 1.18905683
              },
              {
                "average": 0,
                "count": 4466919,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4466919,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2097792684,
                "count": 4466919,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4071510335,
                "variance": 0.1657719641
              },
              {
                "average": 0,
                "count": 4466919,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692299.9903,
              2041499.98,
              -92.22410306,
              693300.0103,
              2042500,
              490.4558969
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692299.9903015894,
                    2041499.9797806388,
                    -92.2241030599375
                  ],
                  [
                    692299.9903015894,
                    2042499.9997806388,
                    -92.2241030599375
                  ],
                  [
                    693300.0103015894,
                    2042499.9997806388,
                    490.45589694006253
                  ],
                  [
                    693300.0103015894,
                    2041499.9797806388,
                    490.45589694006253
                  ],
                  [
                    692299.9903015894,
                    2041499.9797806388,
                    -92.2241030599375
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T13:00:52+00:00",
            "end_time": "2019-01-26T12:23:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_708300e_2048500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.02694451435447,
              18.507737909296583,
              -103.02005904199115
            ],
            [
              -67.02684094369722,
              18.516770858640914,
              -103.02005904199115
            ],
            [
              -67.017372247643,
              18.51667178940325,
              541.4599409580089
            ],
            [
              -67.01747631451813,
              18.507638891795352,
              541.4599409580089
            ],
            [
              -67.02694451435447,
              18.507737909296583,
              -103.02005904199115
            ]
          ]
        ]
      },
      "bbox": [
        -67.02694451,
        18.50763889,
        -103.020059,
        -67.01737225,
        18.51677086,
        541.459941
      ],
      "properties": {
        "datetime": "2019-01-21T18:59:28Z",
        "pc:count": 19093913,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 708807.2909,
            "count": 19093913,
            "maximum": 709300.0103,
            "minimum": 708299.9903,
            "name": "X",
            "position": 0,
            "stddev": 283.7510862,
            "variance": 80514.67893
          },
          {
            "average": 2047930.353,
            "count": 19093913,
            "maximum": 2048500,
            "minimum": 2047499.98,
            "name": "Y",
            "position": 1,
            "stddev": 269.2506554,
            "variance": 72495.91542
          },
          {
            "average": -1.655337751,
            "count": 19093913,
            "maximum": 541.459941,
            "minimum": -103.020059,
            "name": "Z",
            "position": 2,
            "stddev": 9.254581741,
            "variance": 85.6472832
          },
          {
            "average": 866.0499103,
            "count": 19093913,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 649.6108692,
            "variance": 421994.2814
          },
          {
            "average": 1.585493241,
            "count": 19093913,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9295157516,
            "variance": 0.8639995325
          },
          {
            "average": 2.170044401,
            "count": 19093913,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.288661928,
            "variance": 1.660649563
          },
          {
            "average": 0.4635908836,
            "count": 19093913,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4986726274,
            "variance": 0.2486743893
          },
          {
            "average": 0.002056519269,
            "count": 19093913,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04530220861,
            "variance": 0.002052290105
          },
          {
            "average": 21.55245392,
            "count": 19093913,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.22861707,
            "variance": 450.6541827
          },
          {
            "average": 2.196461193,
            "count": 19093913,
            "maximum": 23.4659996,
            "minimum": -23.87999916,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.72138818,
            "variance": 188.2764936
          },
          {
            "average": 0.8341119497,
            "count": 19093913,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9377683046,
            "variance": 0.8794093931
          },
          {
            "average": 81.5850465,
            "count": 19093913,
            "maximum": 84,
            "minimum": 79,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.122832273,
            "variance": 1.260752314
          },
          {
            "average": 232131180,
            "count": 19093913,
            "maximum": 232132368,
            "minimum": 232130007.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 480.3234953,
            "variance": 230710.6601
          },
          {
            "average": 0.8341104833,
            "count": 19093913,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9377683244,
            "variance": 0.8794094303
          },
          {
            "average": 0,
            "count": 19093913,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 19093913,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.263666227,
            "count": 19093913,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4406204239,
            "variance": 0.1941463579
          },
          {
            "average": 0,
            "count": 19093913,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          708299.9903,
          2047499.98,
          -103.020059,
          709300.0103,
          2048500,
          541.459941
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                708299.9902909197,
                2047499.97953433,
                -103.02005904199115
              ],
              [
                708299.9902909197,
                2048499.99953433,
                -103.02005904199115
              ],
              [
                709300.0102909197,
                2048499.99953433,
                541.4599409580089
              ],
              [
                709300.0102909197,
                2047499.97953433,
                541.4599409580089
              ],
              [
                708299.9902909197,
                2047499.97953433,
                -103.02005904199115
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:59:28+00:00",
        "end_time": "2019-01-21T18:20:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_708300e_2048500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_708300e_2048500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_708300e_2048500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_708300e_2048500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.02694451,
            18.50763889,
            -103.020059,
            -67.01737225,
            18.51677086,
            541.459941
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.02694451435447,
                  18.507737909296583,
                  -103.02005904199115
                ],
                [
                  -67.02684094369722,
                  18.516770858640914,
                  -103.02005904199115
                ],
                [
                  -67.017372247643,
                  18.51667178940325,
                  541.4599409580089
                ],
                [
                  -67.01747631451813,
                  18.507638891795352,
                  541.4599409580089
                ],
                [
                  -67.02694451435447,
                  18.507737909296583,
                  -103.02005904199115
                ]
              ]
            ]
          },
          "id": "20190121_708300e_2048500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_708300e_2048500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:59:28Z",
            "pc:count": 19093913,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 708807.2909,
                "count": 19093913,
                "maximum": 709300.0103,
                "minimum": 708299.9903,
                "name": "X",
                "position": 0,
                "stddev": 283.7510862,
                "variance": 80514.67893
              },
              {
                "average": 2047930.353,
                "count": 19093913,
                "maximum": 2048500,
                "minimum": 2047499.98,
                "name": "Y",
                "position": 1,
                "stddev": 269.2506554,
                "variance": 72495.91542
              },
              {
                "average": -1.655337751,
                "count": 19093913,
                "maximum": 541.459941,
                "minimum": -103.020059,
                "name": "Z",
                "position": 2,
                "stddev": 9.254581741,
                "variance": 85.6472832
              },
              {
                "average": 866.0499103,
                "count": 19093913,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 649.6108692,
                "variance": 421994.2814
              },
              {
                "average": 1.585493241,
                "count": 19093913,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9295157516,
                "variance": 0.8639995325
              },
              {
                "average": 2.170044401,
                "count": 19093913,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.288661928,
                "variance": 1.660649563
              },
              {
                "average": 0.4635908836,
                "count": 19093913,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4986726274,
                "variance": 0.2486743893
              },
              {
                "average": 0.002056519269,
                "count": 19093913,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04530220861,
                "variance": 0.002052290105
              },
              {
                "average": 21.55245392,
                "count": 19093913,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.22861707,
                "variance": 450.6541827
              },
              {
                "average": 2.196461193,
                "count": 19093913,
                "maximum": 23.4659996,
                "minimum": -23.87999916,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.72138818,
                "variance": 188.2764936
              },
              {
                "average": 0.8341119497,
                "count": 19093913,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9377683046,
                "variance": 0.8794093931
              },
              {
                "average": 81.5850465,
                "count": 19093913,
                "maximum": 84,
                "minimum": 79,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.122832273,
                "variance": 1.260752314
              },
              {
                "average": 232131180,
                "count": 19093913,
                "maximum": 232132368,
                "minimum": 232130007.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 480.3234953,
                "variance": 230710.6601
              },
              {
                "average": 0.8341104833,
                "count": 19093913,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9377683244,
                "variance": 0.8794094303
              },
              {
                "average": 0,
                "count": 19093913,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 19093913,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.263666227,
                "count": 19093913,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4406204239,
                "variance": 0.1941463579
              },
              {
                "average": 0,
                "count": 19093913,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              708299.9903,
              2047499.98,
              -103.020059,
              709300.0103,
              2048500,
              541.459941
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    708299.9902909197,
                    2047499.97953433,
                    -103.02005904199115
                  ],
                  [
                    708299.9902909197,
                    2048499.99953433,
                    -103.02005904199115
                  ],
                  [
                    709300.0102909197,
                    2048499.99953433,
                    541.4599409580089
                  ],
                  [
                    709300.0102909197,
                    2047499.97953433,
                    541.4599409580089
                  ],
                  [
                    708299.9902909197,
                    2047499.97953433,
                    -103.02005904199115
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:59:28+00:00",
            "end_time": "2019-01-21T18:20:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_693300e_2036500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1700996537985,
              18.402769076110232,
              -104.06271709230188
            ],
            [
              -67.17002538059565,
              18.409797234763452,
              -104.06271709230188
            ],
            [
              -67.16056175809656,
              18.409705846421392,
              571.2172829076981
            ],
            [
              -67.160636414873,
              18.402677725087507,
              571.2172829076981
            ],
            [
              -67.1700996537985,
              18.402769076110232,
              -104.06271709230188
            ]
          ]
        ]
      },
      "bbox": [
        -67.17009965,
        18.40267773,
        -104.0627171,
        -67.16056176,
        18.40979723,
        571.2172829
      ],
      "properties": {
        "datetime": "2019-01-27T14:51:29Z",
        "pc:count": 9012063,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693577.2135,
            "count": 9012063,
            "maximum": 694300.0101,
            "minimum": 693299.9901,
            "name": "X",
            "position": 0,
            "stddev": 216.6157938,
            "variance": 46922.40213
          },
          {
            "average": 2036277.058,
            "count": 9012063,
            "maximum": 2036499.998,
            "minimum": 2035721.998,
            "name": "Y",
            "position": 1,
            "stddev": 176.4650111,
            "variance": 31139.90015
          },
          {
            "average": 4.465068884,
            "count": 9012063,
            "maximum": 571.2172829,
            "minimum": -104.0627171,
            "name": "Z",
            "position": 2,
            "stddev": 7.160365664,
            "variance": 51.27083644
          },
          {
            "average": 1207.783028,
            "count": 9012063,
            "maximum": 4581,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 547.2102983,
            "variance": 299439.1105
          },
          {
            "average": 2.131038476,
            "count": 9012063,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.523903859,
            "variance": 2.322282972
          },
          {
            "average": 3.260862579,
            "count": 9012063,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.13431445,
            "variance": 4.555298172
          },
          {
            "average": 0.3819286439,
            "count": 9012063,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4858592194,
            "variance": 0.2360591811
          },
          {
            "average": 0.001161554241,
            "count": 9012063,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03406178448,
            "variance": 0.001160205162
          },
          {
            "average": 4.705177716,
            "count": 9012063,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.85229027,
            "variance": 140.4767847
          },
          {
            "average": 0.7927836439,
            "count": 9012063,
            "maximum": 20.6760006,
            "minimum": -21.62999916,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.98675916,
            "variance": 195.6294317
          },
          {
            "average": 1.064534058,
            "count": 9012063,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.137130697,
            "variance": 1.293066222
          },
          {
            "average": 112.1926804,
            "count": 9012063,
            "maximum": 115,
            "minimum": 111,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8261513083,
            "variance": 0.6825259842
          },
          {
            "average": 232635218.5,
            "count": 9012063,
            "maximum": 232635889.4,
            "minimum": 232634835.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 227.2918767,
            "variance": 51661.5972
          },
          {
            "average": 1.062811034,
            "count": 9012063,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.137984475,
            "variance": 1.295008664
          },
          {
            "average": 0,
            "count": 9012063,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9012063,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2602490684,
            "count": 9012063,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.438770455,
            "variance": 0.1925195122
          },
          {
            "average": 0,
            "count": 9012063,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693299.9901,
          2035721.998,
          -104.0627171,
          694300.0101,
          2036499.998,
          571.2172829
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693299.9900629173,
                2035721.9975332557,
                -104.06271709230188
              ],
              [
                693299.9900629173,
                2036499.9975332557,
                -104.06271709230188
              ],
              [
                694300.0100629174,
                2036499.9975332557,
                571.2172829076981
              ],
              [
                694300.0100629174,
                2035721.9975332557,
                571.2172829076981
              ],
              [
                693299.9900629173,
                2035721.9975332557,
                -104.06271709230188
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:51:29+00:00",
        "end_time": "2019-01-27T14:33:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_693300e_2036500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_693300e_2036500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_693300e_2036500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_693300e_2036500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17009965,
            18.40267773,
            -104.0627171,
            -67.16056176,
            18.40979723,
            571.2172829
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1700996537985,
                  18.402769076110232,
                  -104.06271709230188
                ],
                [
                  -67.17002538059565,
                  18.409797234763452,
                  -104.06271709230188
                ],
                [
                  -67.16056175809656,
                  18.409705846421392,
                  571.2172829076981
                ],
                [
                  -67.160636414873,
                  18.402677725087507,
                  571.2172829076981
                ],
                [
                  -67.1700996537985,
                  18.402769076110232,
                  -104.06271709230188
                ]
              ]
            ]
          },
          "id": "20190127_693300e_2036500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_693300e_2036500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:51:29Z",
            "pc:count": 9012063,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693577.2135,
                "count": 9012063,
                "maximum": 694300.0101,
                "minimum": 693299.9901,
                "name": "X",
                "position": 0,
                "stddev": 216.6157938,
                "variance": 46922.40213
              },
              {
                "average": 2036277.058,
                "count": 9012063,
                "maximum": 2036499.998,
                "minimum": 2035721.998,
                "name": "Y",
                "position": 1,
                "stddev": 176.4650111,
                "variance": 31139.90015
              },
              {
                "average": 4.465068884,
                "count": 9012063,
                "maximum": 571.2172829,
                "minimum": -104.0627171,
                "name": "Z",
                "position": 2,
                "stddev": 7.160365664,
                "variance": 51.27083644
              },
              {
                "average": 1207.783028,
                "count": 9012063,
                "maximum": 4581,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 547.2102983,
                "variance": 299439.1105
              },
              {
                "average": 2.131038476,
                "count": 9012063,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.523903859,
                "variance": 2.322282972
              },
              {
                "average": 3.260862579,
                "count": 9012063,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.13431445,
                "variance": 4.555298172
              },
              {
                "average": 0.3819286439,
                "count": 9012063,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4858592194,
                "variance": 0.2360591811
              },
              {
                "average": 0.001161554241,
                "count": 9012063,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03406178448,
                "variance": 0.001160205162
              },
              {
                "average": 4.705177716,
                "count": 9012063,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.85229027,
                "variance": 140.4767847
              },
              {
                "average": 0.7927836439,
                "count": 9012063,
                "maximum": 20.6760006,
                "minimum": -21.62999916,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.98675916,
                "variance": 195.6294317
              },
              {
                "average": 1.064534058,
                "count": 9012063,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.137130697,
                "variance": 1.293066222
              },
              {
                "average": 112.1926804,
                "count": 9012063,
                "maximum": 115,
                "minimum": 111,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8261513083,
                "variance": 0.6825259842
              },
              {
                "average": 232635218.5,
                "count": 9012063,
                "maximum": 232635889.4,
                "minimum": 232634835.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 227.2918767,
                "variance": 51661.5972
              },
              {
                "average": 1.062811034,
                "count": 9012063,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.137984475,
                "variance": 1.295008664
              },
              {
                "average": 0,
                "count": 9012063,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9012063,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2602490684,
                "count": 9012063,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.438770455,
                "variance": 0.1925195122
              },
              {
                "average": 0,
                "count": 9012063,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693299.9901,
              2035721.998,
              -104.0627171,
              694300.0101,
              2036499.998,
              571.2172829
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693299.9900629173,
                    2035721.9975332557,
                    -104.06271709230188
                  ],
                  [
                    693299.9900629173,
                    2036499.9975332557,
                    -104.06271709230188
                  ],
                  [
                    694300.0100629174,
                    2036499.9975332557,
                    571.2172829076981
                  ],
                  [
                    694300.0100629174,
                    2035721.9975332557,
                    571.2172829076981
                  ],
                  [
                    693299.9900629173,
                    2035721.9975332557,
                    -104.06271709230188
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:51:29+00:00",
            "end_time": "2019-01-27T14:33:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_694300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15959935220047,
              18.500040947611144,
              -112.7769593452262
            ],
            [
              -67.15950278556654,
              18.509074604389767,
              -112.7769593452262
            ],
            [
              -67.15003377694407,
              18.508982214583067,
              575.5830406547739
            ],
            [
              -67.15013083970607,
              18.499948606073772,
              575.5830406547739
            ],
            [
              -67.15959935220047,
              18.500040947611144,
              -112.7769593452262
            ]
          ]
        ]
      },
      "bbox": [
        -67.15959935,
        18.49994861,
        -112.7769593,
        -67.15003378,
        18.5090746,
        575.5830407
      ],
      "properties": {
        "datetime": "2019-01-21T19:08:17Z",
        "pc:count": 9073031,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694884.0299,
            "count": 9073031,
            "maximum": 695300.0107,
            "minimum": 694299.9907,
            "name": "X",
            "position": 0,
            "stddev": 292.0286931,
            "variance": 85280.75758
          },
          {
            "average": 2046915.125,
            "count": 9073031,
            "maximum": 2047500,
            "minimum": 2046499.98,
            "name": "Y",
            "position": 1,
            "stddev": 283.5367056,
            "variance": 80393.06341
          },
          {
            "average": -3.521586133,
            "count": 9073031,
            "maximum": 575.5830407,
            "minimum": -112.7769593,
            "name": "Z",
            "position": 2,
            "stddev": 11.74502892,
            "variance": 137.9457044
          },
          {
            "average": 616.2854025,
            "count": 9073031,
            "maximum": 3099,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 494.5369334,
            "variance": 244566.7785
          },
          {
            "average": 1.198709891,
            "count": 9073031,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4763349196,
            "variance": 0.2268949556
          },
          {
            "average": 1.397491312,
            "count": 9073031,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6652354217,
            "variance": 0.4425381663
          },
          {
            "average": 0.4535014815,
            "count": 9073031,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4978332202,
            "variance": 0.2478379151
          },
          {
            "average": 0.004274646477,
            "count": 9073031,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06524089472,
            "variance": 0.004256374344
          },
          {
            "average": 23.90864398,
            "count": 9073031,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.20281063,
            "variance": 449.5591787
          },
          {
            "average": -0.1111195045,
            "count": 9073031,
            "maximum": 23.11199951,
            "minimum": -24.77400017,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.90791289,
            "variance": 166.6142151
          },
          {
            "average": 1.056112009,
            "count": 9073031,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.070495088,
            "variance": 1.145959733
          },
          {
            "average": 76.46723912,
            "count": 9073031,
            "maximum": 85,
            "minimum": 71,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.25126565,
            "variance": 39.07832222
          },
          {
            "average": 232129629.7,
            "count": 9073031,
            "maximum": 232132897.3,
            "minimum": 232127706.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2279.72757,
            "variance": 5197157.793
          },
          {
            "average": 1.056111568,
            "count": 9073031,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.070495317,
            "variance": 1.145960224
          },
          {
            "average": 0,
            "count": 9073031,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9073031,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.167682663,
            "count": 9073031,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3735842649,
            "variance": 0.1395652029
          },
          {
            "average": 0,
            "count": 9073031,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9907,
          2046499.98,
          -112.7769593,
          695300.0107,
          2047500,
          575.5830407
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9907338484,
                2046499.979657116,
                -112.7769593452262
              ],
              [
                694299.9907338484,
                2047499.9996571161,
                -112.7769593452262
              ],
              [
                695300.0107338484,
                2047499.9996571161,
                575.5830406547739
              ],
              [
                695300.0107338484,
                2046499.979657116,
                575.5830406547739
              ],
              [
                694299.9907338484,
                2046499.979657116,
                -112.7769593452262
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:08:17+00:00",
        "end_time": "2019-01-21T17:41:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_694300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_694300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_694300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_694300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15959935,
            18.49994861,
            -112.7769593,
            -67.15003378,
            18.5090746,
            575.5830407
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15959935220047,
                  18.500040947611144,
                  -112.7769593452262
                ],
                [
                  -67.15950278556654,
                  18.509074604389767,
                  -112.7769593452262
                ],
                [
                  -67.15003377694407,
                  18.508982214583067,
                  575.5830406547739
                ],
                [
                  -67.15013083970607,
                  18.499948606073772,
                  575.5830406547739
                ],
                [
                  -67.15959935220047,
                  18.500040947611144,
                  -112.7769593452262
                ]
              ]
            ]
          },
          "id": "20190121_694300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_694300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:08:17Z",
            "pc:count": 9073031,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694884.0299,
                "count": 9073031,
                "maximum": 695300.0107,
                "minimum": 694299.9907,
                "name": "X",
                "position": 0,
                "stddev": 292.0286931,
                "variance": 85280.75758
              },
              {
                "average": 2046915.125,
                "count": 9073031,
                "maximum": 2047500,
                "minimum": 2046499.98,
                "name": "Y",
                "position": 1,
                "stddev": 283.5367056,
                "variance": 80393.06341
              },
              {
                "average": -3.521586133,
                "count": 9073031,
                "maximum": 575.5830407,
                "minimum": -112.7769593,
                "name": "Z",
                "position": 2,
                "stddev": 11.74502892,
                "variance": 137.9457044
              },
              {
                "average": 616.2854025,
                "count": 9073031,
                "maximum": 3099,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 494.5369334,
                "variance": 244566.7785
              },
              {
                "average": 1.198709891,
                "count": 9073031,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4763349196,
                "variance": 0.2268949556
              },
              {
                "average": 1.397491312,
                "count": 9073031,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6652354217,
                "variance": 0.4425381663
              },
              {
                "average": 0.4535014815,
                "count": 9073031,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4978332202,
                "variance": 0.2478379151
              },
              {
                "average": 0.004274646477,
                "count": 9073031,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06524089472,
                "variance": 0.004256374344
              },
              {
                "average": 23.90864398,
                "count": 9073031,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.20281063,
                "variance": 449.5591787
              },
              {
                "average": -0.1111195045,
                "count": 9073031,
                "maximum": 23.11199951,
                "minimum": -24.77400017,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.90791289,
                "variance": 166.6142151
              },
              {
                "average": 1.056112009,
                "count": 9073031,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.070495088,
                "variance": 1.145959733
              },
              {
                "average": 76.46723912,
                "count": 9073031,
                "maximum": 85,
                "minimum": 71,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.25126565,
                "variance": 39.07832222
              },
              {
                "average": 232129629.7,
                "count": 9073031,
                "maximum": 232132897.3,
                "minimum": 232127706.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2279.72757,
                "variance": 5197157.793
              },
              {
                "average": 1.056111568,
                "count": 9073031,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.070495317,
                "variance": 1.145960224
              },
              {
                "average": 0,
                "count": 9073031,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9073031,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.167682663,
                "count": 9073031,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3735842649,
                "variance": 0.1395652029
              },
              {
                "average": 0,
                "count": 9073031,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9907,
              2046499.98,
              -112.7769593,
              695300.0107,
              2047500,
              575.5830407
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9907338484,
                    2046499.979657116,
                    -112.7769593452262
                  ],
                  [
                    694299.9907338484,
                    2047499.9996571161,
                    -112.7769593452262
                  ],
                  [
                    695300.0107338484,
                    2047499.9996571161,
                    575.5830406547739
                  ],
                  [
                    695300.0107338484,
                    2046499.979657116,
                    575.5830406547739
                  ],
                  [
                    694299.9907338484,
                    2046499.979657116,
                    -112.7769593452262
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:08:17+00:00",
            "end_time": "2019-01-21T17:41:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2043500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17891780612094,
              18.464089829576487,
              -95.55644911659067
            ],
            [
              -67.17882245184944,
              18.473123618484717,
              -95.55644911659067
            ],
            [
              -67.16935550446316,
              18.473032368579943,
              496.4635508834093
            ],
            [
              -67.16945135373754,
              18.4639986274261,
              496.4635508834093
            ],
            [
              -67.17891780612094,
              18.464089829576487,
              -95.55644911659067
            ]
          ]
        ]
      },
      "bbox": [
        -67.17891781,
        18.46399863,
        -95.55644912,
        -67.1693555,
        18.47312362,
        496.4635509
      ],
      "properties": {
        "datetime": "2019-01-26T13:00:52Z",
        "pc:count": 9390726,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692999.7098,
            "count": 9390726,
            "maximum": 693300.0011,
            "minimum": 692300.0011,
            "name": "X",
            "position": 0,
            "stddev": 258.1090866,
            "variance": 66620.30061
          },
          {
            "average": 2043031.51,
            "count": 9390726,
            "maximum": 2043500,
            "minimum": 2042499.98,
            "name": "Y",
            "position": 1,
            "stddev": 269.5691514,
            "variance": 72667.52738
          },
          {
            "average": -3.274097976,
            "count": 9390726,
            "maximum": 496.4635509,
            "minimum": -95.55644912,
            "name": "Z",
            "position": 2,
            "stddev": 13.95273919,
            "variance": 194.6789308
          },
          {
            "average": 389.2986369,
            "count": 9390726,
            "maximum": 5037,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 540.2842666,
            "variance": 291907.0887
          },
          {
            "average": 1.788333511,
            "count": 9390726,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.166966922,
            "variance": 1.361811798
          },
          {
            "average": 2.576923765,
            "count": 9390726,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.635649651,
            "variance": 2.675349782
          },
          {
            "average": 0.5633804032,
            "count": 9390726,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.495966683,
            "variance": 0.2459829507
          },
          {
            "average": 0.00381823514,
            "count": 9390726,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06167379204,
            "variance": 0.003803656625
          },
          {
            "average": 30.00419925,
            "count": 9390726,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.02680273,
            "variance": 401.0728275
          },
          {
            "average": 2.82844942,
            "count": 9390726,
            "maximum": 20.59799957,
            "minimum": -21.50399971,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.29994979,
            "variance": 176.8886644
          },
          {
            "average": 0.8546984546,
            "count": 9390726,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8407289602,
            "variance": 0.7068251845
          },
          {
            "average": 103.6455128,
            "count": 9390726,
            "maximum": 106,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.049406752,
            "variance": 1.101254531
          },
          {
            "average": 232541649.3,
            "count": 9390726,
            "maximum": 232542852.1,
            "minimum": 232540314.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 399.5429614,
            "variance": 159634.578
          },
          {
            "average": 0.8546984546,
            "count": 9390726,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8407289602,
            "variance": 0.7068251845
          },
          {
            "average": 0,
            "count": 9390726,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9390726,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2569502081,
            "count": 9390726,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4369517353,
            "variance": 0.190926819
          },
          {
            "average": 0,
            "count": 9390726,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692300.0011,
          2042499.98,
          -95.55644912,
          693300.0011,
          2043500,
          496.4635509
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692300.0011251924,
                2042499.9798501246,
                -95.55644911659067
              ],
              [
                692300.0011251924,
                2043499.9998501246,
                -95.55644911659067
              ],
              [
                693300.0011251924,
                2043499.9998501246,
                496.4635508834093
              ],
              [
                693300.0011251924,
                2042499.9798501246,
                496.4635508834093
              ],
              [
                692300.0011251924,
                2042499.9798501246,
                -95.55644911659067
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T13:00:52+00:00",
        "end_time": "2019-01-26T12:18:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2043500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2043500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2043500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2043500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17891781,
            18.46399863,
            -95.55644912,
            -67.1693555,
            18.47312362,
            496.4635509
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17891780612094,
                  18.464089829576487,
                  -95.55644911659067
                ],
                [
                  -67.17882245184944,
                  18.473123618484717,
                  -95.55644911659067
                ],
                [
                  -67.16935550446316,
                  18.473032368579943,
                  496.4635508834093
                ],
                [
                  -67.16945135373754,
                  18.4639986274261,
                  496.4635508834093
                ],
                [
                  -67.17891780612094,
                  18.464089829576487,
                  -95.55644911659067
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2043500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2043500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T13:00:52Z",
            "pc:count": 9390726,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692999.7098,
                "count": 9390726,
                "maximum": 693300.0011,
                "minimum": 692300.0011,
                "name": "X",
                "position": 0,
                "stddev": 258.1090866,
                "variance": 66620.30061
              },
              {
                "average": 2043031.51,
                "count": 9390726,
                "maximum": 2043500,
                "minimum": 2042499.98,
                "name": "Y",
                "position": 1,
                "stddev": 269.5691514,
                "variance": 72667.52738
              },
              {
                "average": -3.274097976,
                "count": 9390726,
                "maximum": 496.4635509,
                "minimum": -95.55644912,
                "name": "Z",
                "position": 2,
                "stddev": 13.95273919,
                "variance": 194.6789308
              },
              {
                "average": 389.2986369,
                "count": 9390726,
                "maximum": 5037,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 540.2842666,
                "variance": 291907.0887
              },
              {
                "average": 1.788333511,
                "count": 9390726,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.166966922,
                "variance": 1.361811798
              },
              {
                "average": 2.576923765,
                "count": 9390726,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.635649651,
                "variance": 2.675349782
              },
              {
                "average": 0.5633804032,
                "count": 9390726,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.495966683,
                "variance": 0.2459829507
              },
              {
                "average": 0.00381823514,
                "count": 9390726,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06167379204,
                "variance": 0.003803656625
              },
              {
                "average": 30.00419925,
                "count": 9390726,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.02680273,
                "variance": 401.0728275
              },
              {
                "average": 2.82844942,
                "count": 9390726,
                "maximum": 20.59799957,
                "minimum": -21.50399971,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.29994979,
                "variance": 176.8886644
              },
              {
                "average": 0.8546984546,
                "count": 9390726,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8407289602,
                "variance": 0.7068251845
              },
              {
                "average": 103.6455128,
                "count": 9390726,
                "maximum": 106,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.049406752,
                "variance": 1.101254531
              },
              {
                "average": 232541649.3,
                "count": 9390726,
                "maximum": 232542852.1,
                "minimum": 232540314.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 399.5429614,
                "variance": 159634.578
              },
              {
                "average": 0.8546984546,
                "count": 9390726,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8407289602,
                "variance": 0.7068251845
              },
              {
                "average": 0,
                "count": 9390726,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9390726,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2569502081,
                "count": 9390726,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4369517353,
                "variance": 0.190926819
              },
              {
                "average": 0,
                "count": 9390726,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692300.0011,
              2042499.98,
              -95.55644912,
              693300.0011,
              2043500,
              496.4635509
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692300.0011251924,
                    2042499.9798501246,
                    -95.55644911659067
                  ],
                  [
                    692300.0011251924,
                    2043499.9998501246,
                    -95.55644911659067
                  ],
                  [
                    693300.0011251924,
                    2043499.9998501246,
                    496.4635508834093
                  ],
                  [
                    693300.0011251924,
                    2042499.9798501246,
                    496.4635508834093
                  ],
                  [
                    692300.0011251924,
                    2042499.9798501246,
                    -95.55644911659067
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T13:00:52+00:00",
            "end_time": "2019-01-26T12:18:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_705300e_2048500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.05534890159093,
              18.508032114584218,
              -101.8595562699856
            ],
            [
              -67.0552468196439,
              18.517065217651204,
              -101.8595562699856
            ],
            [
              -67.04577794552505,
              18.51696756916755,
              534.0004437300145
            ],
            [
              -67.04588052373308,
              18.507934517095215,
              534.0004437300145
            ],
            [
              -67.05534890159093,
              18.508032114584218,
              -101.8595562699856
            ]
          ]
        ]
      },
      "bbox": [
        -67.0553489,
        18.50793452,
        -101.8595563,
        -67.04577795,
        18.51706522,
        534.0004437
      ],
      "properties": {
        "datetime": "2019-01-21T18:58:39Z",
        "pc:count": 29882211,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 705812.3174,
            "count": 29882211,
            "maximum": 706300.0104,
            "minimum": 705299.9904,
            "name": "X",
            "position": 0,
            "stddev": 279.4521182,
            "variance": 78093.48636
          },
          {
            "average": 2047969.39,
            "count": 29882211,
            "maximum": 2048499.999,
            "minimum": 2047499.979,
            "name": "Y",
            "position": 1,
            "stddev": 268.570341,
            "variance": 72130.02809
          },
          {
            "average": 10.64397423,
            "count": 29882211,
            "maximum": 534.0004437,
            "minimum": -101.8595563,
            "name": "Z",
            "position": 2,
            "stddev": 18.17083655,
            "variance": 330.179301
          },
          {
            "average": 1220.403993,
            "count": 29882211,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 592.6951808,
            "variance": 351287.5774
          },
          {
            "average": 2.096252583,
            "count": 29882211,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.455518471,
            "variance": 2.11853402
          },
          {
            "average": 3.192442186,
            "count": 29882211,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.014390104,
            "variance": 4.057767493
          },
          {
            "average": 0.3866832009,
            "count": 29882211,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4869900522,
            "variance": 0.237159311
          },
          {
            "average": 0.001222499901,
            "count": 29882211,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03494288821,
            "variance": 0.001221005436
          },
          {
            "average": 6.723735402,
            "count": 29882211,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 14.26561808,
            "variance": 203.5078592
          },
          {
            "average": 1.444653169,
            "count": 29882211,
            "maximum": 24.43199921,
            "minimum": -24.44400024,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.67575798,
            "variance": 187.0263563
          },
          {
            "average": 0.9358153585,
            "count": 29882211,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.076257092,
            "variance": 1.158329327
          },
          {
            "average": 81.48823947,
            "count": 29882211,
            "maximum": 84,
            "minimum": 79,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.119842458,
            "variance": 1.254047132
          },
          {
            "average": 232131138,
            "count": 29882211,
            "maximum": 232132319.7,
            "minimum": 232130051.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 473.7617401,
            "variance": 224450.1863
          },
          {
            "average": 0.9358153585,
            "count": 29882211,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.076257092,
            "variance": 1.158329327
          },
          {
            "average": 0,
            "count": 29882211,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 29882211,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2374668327,
            "count": 29882211,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4255306594,
            "variance": 0.1810763421
          },
          {
            "average": 0,
            "count": 29882211,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          705299.9904,
          2047499.979,
          -101.8595563,
          706300.0104,
          2048499.999,
          534.0004437
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                705299.99037707,
                2047499.9793892412,
                -101.8595562699856
              ],
              [
                705299.99037707,
                2048499.9993892412,
                -101.8595562699856
              ],
              [
                706300.01037707,
                2048499.9993892412,
                534.0004437300145
              ],
              [
                706300.01037707,
                2047499.9793892412,
                534.0004437300145
              ],
              [
                705299.99037707,
                2047499.9793892412,
                -101.8595562699856
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:58:39+00:00",
        "end_time": "2019-01-21T18:20:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_705300e_2048500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_705300e_2048500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_705300e_2048500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_705300e_2048500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.0553489,
            18.50793452,
            -101.8595563,
            -67.04577795,
            18.51706522,
            534.0004437
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.05534890159093,
                  18.508032114584218,
                  -101.8595562699856
                ],
                [
                  -67.0552468196439,
                  18.517065217651204,
                  -101.8595562699856
                ],
                [
                  -67.04577794552505,
                  18.51696756916755,
                  534.0004437300145
                ],
                [
                  -67.04588052373308,
                  18.507934517095215,
                  534.0004437300145
                ],
                [
                  -67.05534890159093,
                  18.508032114584218,
                  -101.8595562699856
                ]
              ]
            ]
          },
          "id": "20190121_705300e_2048500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_705300e_2048500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:58:39Z",
            "pc:count": 29882211,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 705812.3174,
                "count": 29882211,
                "maximum": 706300.0104,
                "minimum": 705299.9904,
                "name": "X",
                "position": 0,
                "stddev": 279.4521182,
                "variance": 78093.48636
              },
              {
                "average": 2047969.39,
                "count": 29882211,
                "maximum": 2048499.999,
                "minimum": 2047499.979,
                "name": "Y",
                "position": 1,
                "stddev": 268.570341,
                "variance": 72130.02809
              },
              {
                "average": 10.64397423,
                "count": 29882211,
                "maximum": 534.0004437,
                "minimum": -101.8595563,
                "name": "Z",
                "position": 2,
                "stddev": 18.17083655,
                "variance": 330.179301
              },
              {
                "average": 1220.403993,
                "count": 29882211,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 592.6951808,
                "variance": 351287.5774
              },
              {
                "average": 2.096252583,
                "count": 29882211,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.455518471,
                "variance": 2.11853402
              },
              {
                "average": 3.192442186,
                "count": 29882211,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.014390104,
                "variance": 4.057767493
              },
              {
                "average": 0.3866832009,
                "count": 29882211,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4869900522,
                "variance": 0.237159311
              },
              {
                "average": 0.001222499901,
                "count": 29882211,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03494288821,
                "variance": 0.001221005436
              },
              {
                "average": 6.723735402,
                "count": 29882211,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 14.26561808,
                "variance": 203.5078592
              },
              {
                "average": 1.444653169,
                "count": 29882211,
                "maximum": 24.43199921,
                "minimum": -24.44400024,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.67575798,
                "variance": 187.0263563
              },
              {
                "average": 0.9358153585,
                "count": 29882211,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.076257092,
                "variance": 1.158329327
              },
              {
                "average": 81.48823947,
                "count": 29882211,
                "maximum": 84,
                "minimum": 79,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.119842458,
                "variance": 1.254047132
              },
              {
                "average": 232131138,
                "count": 29882211,
                "maximum": 232132319.7,
                "minimum": 232130051.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 473.7617401,
                "variance": 224450.1863
              },
              {
                "average": 0.9358153585,
                "count": 29882211,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.076257092,
                "variance": 1.158329327
              },
              {
                "average": 0,
                "count": 29882211,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 29882211,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2374668327,
                "count": 29882211,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4255306594,
                "variance": 0.1810763421
              },
              {
                "average": 0,
                "count": 29882211,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              705299.9904,
              2047499.979,
              -101.8595563,
              706300.0104,
              2048499.999,
              534.0004437
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    705299.99037707,
                    2047499.9793892412,
                    -101.8595562699856
                  ],
                  [
                    705299.99037707,
                    2048499.9993892412,
                    -101.8595562699856
                  ],
                  [
                    706300.01037707,
                    2048499.9993892412,
                    534.0004437300145
                  ],
                  [
                    706300.01037707,
                    2047499.9793892412,
                    534.0004437300145
                  ],
                  [
                    705299.99037707,
                    2047499.9793892412,
                    -101.8595562699856
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:58:39+00:00",
            "end_time": "2019-01-21T18:20:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_689300e_2037500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.20014764519038,
              18.41008485962101,
              -10.32374307434685
            ],
            [
              -67.20007995710122,
              18.416594230920648,
              -10.32374307434685
            ],
            [
              -67.19834804774152,
              18.41657781040858,
              425.29625692565315
            ],
            [
              -67.19841580087528,
              18.41006844531749,
              425.29625692565315
            ],
            [
              -67.20014764519038,
              18.41008485962101,
              -10.32374307434685
            ]
          ]
        ]
      },
      "bbox": [
        -67.20014765,
        18.41006845,
        -10.32374307,
        -67.19834805,
        18.41659423,
        425.2962569
      ],
      "properties": {
        "datetime": "2019-01-26T12:16:54Z",
        "pc:count": 332415,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 690239.1776,
            "count": 332415,
            "maximum": 690300.0123,
            "minimum": 690117.0123,
            "name": "X",
            "position": 0,
            "stddev": 42.10277401,
            "variance": 1772.643579
          },
          {
            "average": 2036778.998,
            "count": 332415,
            "maximum": 2037220.544,
            "minimum": 2036499.984,
            "name": "Y",
            "position": 1,
            "stddev": 179.960252,
            "variance": 32385.69231
          },
          {
            "average": -0.2599509771,
            "count": 332415,
            "maximum": 425.2962569,
            "minimum": -10.32374307,
            "name": "Z",
            "position": 2,
            "stddev": 2.881585749,
            "variance": 8.303536429
          },
          {
            "average": 267.079482,
            "count": 332415,
            "maximum": 3091,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 492.4304824,
            "variance": 242487.78
          },
          {
            "average": 1.20570973,
            "count": 332415,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4809084524,
            "variance": 0.2312729396
          },
          {
            "average": 1.411124648,
            "count": 332415,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6673939142,
            "variance": 0.4454146367
          },
          {
            "average": 0.5504745574,
            "count": 332415,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4974465433,
            "variance": 0.2474530635
          },
          {
            "average": 0.009810026623,
            "count": 332415,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.09855870952,
            "variance": 0.009713819223
          },
          {
            "average": 20.921598,
            "count": 332415,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.80462976,
            "variance": 475.4418788
          },
          {
            "average": -15.43549705,
            "count": 332415,
            "maximum": -1.085999966,
            "minimum": -21.55800056,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.652702606,
            "variance": 21.64764154
          },
          {
            "average": 0.8370861724,
            "count": 332415,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8423765649,
            "variance": 0.709598277
          },
          {
            "average": 100,
            "count": 332415,
            "maximum": 100,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232540208.5,
            "count": 332415,
            "maximum": 232540214.9,
            "minimum": 232540201.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.975913366,
            "variance": 8.856060363
          },
          {
            "average": 0.8370861724,
            "count": 332415,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8423765649,
            "variance": 0.709598277
          },
          {
            "average": 0,
            "count": 332415,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 332415,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.4263676429,
            "count": 332415,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4945493016,
            "variance": 0.2445790117
          },
          {
            "average": 0,
            "count": 332415,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          690117.0123,
          2036499.984,
          -10.32374307,
          690300.0123,
          2037220.544,
          425.2962569
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                690117.0123279952,
                2036499.9840027513,
                -10.32374307434685
              ],
              [
                690117.0123279952,
                2037220.5440027514,
                -10.32374307434685
              ],
              [
                690300.0123279952,
                2037220.5440027514,
                425.29625692565315
              ],
              [
                690300.0123279952,
                2036499.9840027513,
                425.29625692565315
              ],
              [
                690117.0123279952,
                2036499.9840027513,
                -10.32374307434685
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:16:54+00:00",
        "end_time": "2019-01-26T12:16:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_689300e_2037500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_689300e_2037500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_689300e_2037500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2037500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.20014765,
            18.41006845,
            -10.32374307,
            -67.19834805,
            18.41659423,
            425.2962569
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.20014764519038,
                  18.41008485962101,
                  -10.32374307434685
                ],
                [
                  -67.20007995710122,
                  18.416594230920648,
                  -10.32374307434685
                ],
                [
                  -67.19834804774152,
                  18.41657781040858,
                  425.29625692565315
                ],
                [
                  -67.19841580087528,
                  18.41006844531749,
                  425.29625692565315
                ],
                [
                  -67.20014764519038,
                  18.41008485962101,
                  -10.32374307434685
                ]
              ]
            ]
          },
          "id": "20190126_689300e_2037500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2037500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:16:54Z",
            "pc:count": 332415,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 690239.1776,
                "count": 332415,
                "maximum": 690300.0123,
                "minimum": 690117.0123,
                "name": "X",
                "position": 0,
                "stddev": 42.10277401,
                "variance": 1772.643579
              },
              {
                "average": 2036778.998,
                "count": 332415,
                "maximum": 2037220.544,
                "minimum": 2036499.984,
                "name": "Y",
                "position": 1,
                "stddev": 179.960252,
                "variance": 32385.69231
              },
              {
                "average": -0.2599509771,
                "count": 332415,
                "maximum": 425.2962569,
                "minimum": -10.32374307,
                "name": "Z",
                "position": 2,
                "stddev": 2.881585749,
                "variance": 8.303536429
              },
              {
                "average": 267.079482,
                "count": 332415,
                "maximum": 3091,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 492.4304824,
                "variance": 242487.78
              },
              {
                "average": 1.20570973,
                "count": 332415,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4809084524,
                "variance": 0.2312729396
              },
              {
                "average": 1.411124648,
                "count": 332415,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6673939142,
                "variance": 0.4454146367
              },
              {
                "average": 0.5504745574,
                "count": 332415,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4974465433,
                "variance": 0.2474530635
              },
              {
                "average": 0.009810026623,
                "count": 332415,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.09855870952,
                "variance": 0.009713819223
              },
              {
                "average": 20.921598,
                "count": 332415,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.80462976,
                "variance": 475.4418788
              },
              {
                "average": -15.43549705,
                "count": 332415,
                "maximum": -1.085999966,
                "minimum": -21.55800056,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.652702606,
                "variance": 21.64764154
              },
              {
                "average": 0.8370861724,
                "count": 332415,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8423765649,
                "variance": 0.709598277
              },
              {
                "average": 100,
                "count": 332415,
                "maximum": 100,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232540208.5,
                "count": 332415,
                "maximum": 232540214.9,
                "minimum": 232540201.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.975913366,
                "variance": 8.856060363
              },
              {
                "average": 0.8370861724,
                "count": 332415,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8423765649,
                "variance": 0.709598277
              },
              {
                "average": 0,
                "count": 332415,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 332415,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.4263676429,
                "count": 332415,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4945493016,
                "variance": 0.2445790117
              },
              {
                "average": 0,
                "count": 332415,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              690117.0123,
              2036499.984,
              -10.32374307,
              690300.0123,
              2037220.544,
              425.2962569
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    690117.0123279952,
                    2036499.9840027513,
                    -10.32374307434685
                  ],
                  [
                    690117.0123279952,
                    2037220.5440027514,
                    -10.32374307434685
                  ],
                  [
                    690300.0123279952,
                    2037220.5440027514,
                    425.29625692565315
                  ],
                  [
                    690300.0123279952,
                    2036499.9840027513,
                    425.29625692565315
                  ],
                  [
                    690117.0123279952,
                    2036499.9840027513,
                    -10.32374307434685
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:16:54+00:00",
            "end_time": "2019-01-26T12:16:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_695300e_2037500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15103024862292,
              18.416009473931126,
              -95.56775357670203
            ],
            [
              -67.15100206028644,
              18.41864762179689,
              -95.56775357670203
            ],
            [
              -67.1505529063523,
              18.418643248254327,
              109.63224642329799
            ],
            [
              -67.1505811015267,
              18.416005101058705,
              109.63224642329799
            ],
            [
              -67.15103024862292,
              18.416009473931126,
              -95.56775357670203
            ]
          ]
        ]
      },
      "bbox": [
        -67.15103025,
        18.4160051,
        -95.56775358,
        -67.15055291,
        18.41864762,
        109.6322464
      ],
      "properties": {
        "datetime": "2019-01-27T14:59:49Z",
        "pc:count": 227673,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 695312.9946,
            "count": 227673,
            "maximum": 695347.4507,
            "minimum": 695299.9907,
            "name": "X",
            "position": 0,
            "stddev": 9.389466417,
            "variance": 88.16207959
          },
          {
            "average": 2037433.224,
            "count": 227673,
            "maximum": 2037500.01,
            "minimum": 2037207.97,
            "name": "Y",
            "position": 1,
            "stddev": 44.63684364,
            "variance": 1992.44781
          },
          {
            "average": 87.95859377,
            "count": 227673,
            "maximum": 109.6322464,
            "minimum": -95.56775358,
            "name": "Z",
            "position": 2,
            "stddev": 8.637554176,
            "variance": 74.60734215
          },
          {
            "average": 1063.456804,
            "count": 227673,
            "maximum": 2166,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 479.1177699,
            "variance": 229553.8374
          },
          {
            "average": 2.787879986,
            "count": 227673,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.683022758,
            "variance": 2.832565603
          },
          {
            "average": 4.492702253,
            "count": 227673,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.891418215,
            "variance": 3.577462862
          },
          {
            "average": 0.4400082575,
            "count": 227673,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.496389034,
            "variance": 0.2464020731
          },
          {
            "average": 0.003966214703,
            "count": 227673,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06285301262,
            "variance": 0.003950501195
          },
          {
            "average": 1.00428685,
            "count": 227673,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.06533369472,
            "variance": 0.004268491665
          },
          {
            "average": 19.28514127,
            "count": 227673,
            "maximum": 20.65800095,
            "minimum": 16.26000023,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.7657870835,
            "variance": 0.5864298572
          },
          {
            "average": 0.7103828737,
            "count": 227673,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8639974292,
            "variance": 0.7464915577
          },
          {
            "average": 117,
            "count": 227673,
            "maximum": 117,
            "minimum": 117,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232636387.5,
            "count": 227673,
            "maximum": 232636389.9,
            "minimum": 232636385.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.9646279584,
            "variance": 0.9305070982
          },
          {
            "average": 0.7103828737,
            "count": 227673,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8639974292,
            "variance": 0.7464915577
          },
          {
            "average": 0,
            "count": 227673,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 227673,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.9189495461,
            "count": 227673,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.2729131822,
            "variance": 0.074481605
          },
          {
            "average": 0,
            "count": 227673,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          695299.9907,
          2037207.97,
          -95.56775358,
          695347.4507,
          2037500.01,
          109.6322464
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                695299.9906645344,
                2037207.9699506054,
                -95.56775357670203
              ],
              [
                695299.9906645344,
                2037500.0099506055,
                -95.56775357670203
              ],
              [
                695347.4506645343,
                2037500.0099506055,
                109.63224642329799
              ],
              [
                695347.4506645343,
                2037207.9699506054,
                109.63224642329799
              ],
              [
                695299.9906645344,
                2037207.9699506054,
                -95.56775357670203
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:59:49+00:00",
        "end_time": "2019-01-27T14:59:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_695300e_2037500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_695300e_2037500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_695300e_2037500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2037500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15103025,
            18.4160051,
            -95.56775358,
            -67.15055291,
            18.41864762,
            109.6322464
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15103024862292,
                  18.416009473931126,
                  -95.56775357670203
                ],
                [
                  -67.15100206028644,
                  18.41864762179689,
                  -95.56775357670203
                ],
                [
                  -67.1505529063523,
                  18.418643248254327,
                  109.63224642329799
                ],
                [
                  -67.1505811015267,
                  18.416005101058705,
                  109.63224642329799
                ],
                [
                  -67.15103024862292,
                  18.416009473931126,
                  -95.56775357670203
                ]
              ]
            ]
          },
          "id": "20190127_695300e_2037500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2037500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:59:49Z",
            "pc:count": 227673,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 695312.9946,
                "count": 227673,
                "maximum": 695347.4507,
                "minimum": 695299.9907,
                "name": "X",
                "position": 0,
                "stddev": 9.389466417,
                "variance": 88.16207959
              },
              {
                "average": 2037433.224,
                "count": 227673,
                "maximum": 2037500.01,
                "minimum": 2037207.97,
                "name": "Y",
                "position": 1,
                "stddev": 44.63684364,
                "variance": 1992.44781
              },
              {
                "average": 87.95859377,
                "count": 227673,
                "maximum": 109.6322464,
                "minimum": -95.56775358,
                "name": "Z",
                "position": 2,
                "stddev": 8.637554176,
                "variance": 74.60734215
              },
              {
                "average": 1063.456804,
                "count": 227673,
                "maximum": 2166,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 479.1177699,
                "variance": 229553.8374
              },
              {
                "average": 2.787879986,
                "count": 227673,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.683022758,
                "variance": 2.832565603
              },
              {
                "average": 4.492702253,
                "count": 227673,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.891418215,
                "variance": 3.577462862
              },
              {
                "average": 0.4400082575,
                "count": 227673,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.496389034,
                "variance": 0.2464020731
              },
              {
                "average": 0.003966214703,
                "count": 227673,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06285301262,
                "variance": 0.003950501195
              },
              {
                "average": 1.00428685,
                "count": 227673,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.06533369472,
                "variance": 0.004268491665
              },
              {
                "average": 19.28514127,
                "count": 227673,
                "maximum": 20.65800095,
                "minimum": 16.26000023,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.7657870835,
                "variance": 0.5864298572
              },
              {
                "average": 0.7103828737,
                "count": 227673,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8639974292,
                "variance": 0.7464915577
              },
              {
                "average": 117,
                "count": 227673,
                "maximum": 117,
                "minimum": 117,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232636387.5,
                "count": 227673,
                "maximum": 232636389.9,
                "minimum": 232636385.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.9646279584,
                "variance": 0.9305070982
              },
              {
                "average": 0.7103828737,
                "count": 227673,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8639974292,
                "variance": 0.7464915577
              },
              {
                "average": 0,
                "count": 227673,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 227673,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.9189495461,
                "count": 227673,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.2729131822,
                "variance": 0.074481605
              },
              {
                "average": 0,
                "count": 227673,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              695299.9907,
              2037207.97,
              -95.56775358,
              695347.4507,
              2037500.01,
              109.6322464
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    695299.9906645344,
                    2037207.9699506054,
                    -95.56775357670203
                  ],
                  [
                    695299.9906645344,
                    2037500.0099506055,
                    -95.56775357670203
                  ],
                  [
                    695347.4506645343,
                    2037500.0099506055,
                    109.63224642329799
                  ],
                  [
                    695347.4506645343,
                    2037207.9699506054,
                    109.63224642329799
                  ],
                  [
                    695299.9906645344,
                    2037207.9699506054,
                    -95.56775357670203
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:59:49+00:00",
            "end_time": "2019-01-27T14:59:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_693300e_2048500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1675852923517,
              18.50915292010718,
              -92.18059526682538
            ],
            [
              -67.16753259886531,
              18.51410183826532,
              -92.18059526682538
            ],
            [
              -67.15944973863967,
              18.514023328022393,
              528.2594047331747
            ],
            [
              -67.15950266423346,
              18.509074432330404,
              528.2594047331747
            ],
            [
              -67.1675852923517,
              18.50915292010718,
              -92.18059526682538
            ]
          ]
        ]
      },
      "bbox": [
        -67.16758529,
        18.50907443,
        -92.18059527,
        -67.15944974,
        18.51410184,
        528.2594047
      ],
      "properties": {
        "datetime": "2019-01-21T18:55:49Z",
        "pc:count": 424521,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694055.1898,
            "count": 424521,
            "maximum": 694300.0037,
            "minimum": 693446.4037,
            "name": "X",
            "position": 0,
            "stddev": 210.4109633,
            "variance": 44272.77346
          },
          {
            "average": 2047641.005,
            "count": 424521,
            "maximum": 2048047.821,
            "minimum": 2047499.981,
            "name": "Y",
            "position": 1,
            "stddev": 140.0950546,
            "variance": 19626.62431
          },
          {
            "average": 0.1154020337,
            "count": 424521,
            "maximum": 528.2594047,
            "minimum": -92.18059527,
            "name": "Z",
            "position": 2,
            "stddev": 10.26429292,
            "variance": 105.3557091
          },
          {
            "average": 641.3712349,
            "count": 424521,
            "maximum": 2769,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 524.4565038,
            "variance": 275054.6244
          },
          {
            "average": 1.03564488,
            "count": 424521,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1912816478,
            "variance": 0.0365886688
          },
          {
            "average": 1.071098956,
            "count": 424521,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2695525544,
            "variance": 0.07265857958
          },
          {
            "average": 0.3719109302,
            "count": 424521,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4833153634,
            "variance": 0.2335937405
          },
          {
            "average": 0.009342294021,
            "count": 424521,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.09620310475,
            "variance": 0.009255037364
          },
          {
            "average": 13.85001213,
            "count": 424521,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.91694114,
            "variance": 396.6845445
          },
          {
            "average": -7.561754315,
            "count": 424521,
            "maximum": 24.13800049,
            "minimum": -26.89800072,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.25030459,
            "variance": 150.0699625
          },
          {
            "average": 0.8218250687,
            "count": 424521,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.022868206,
            "variance": 1.046259367
          },
          {
            "average": 83.36137435,
            "count": 424521,
            "maximum": 84,
            "minimum": 82,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7414899266,
            "variance": 0.5498073112
          },
          {
            "average": 232131925.2,
            "count": 424521,
            "maximum": 232132149.6,
            "minimum": 232131220.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 321.3198976,
            "variance": 103246.4766
          },
          {
            "average": 0.8218250687,
            "count": 424521,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.022868206,
            "variance": 1.046259367
          },
          {
            "average": 0,
            "count": 424521,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 424521,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2425769279,
            "count": 424521,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4286418024,
            "variance": 0.1837337947
          },
          {
            "average": 0,
            "count": 424521,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693446.4037,
          2047499.981,
          -92.18059527,
          694300.0037,
          2048047.821,
          528.2594047
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693446.4037407178,
                2047499.98074293,
                -92.18059526682538
              ],
              [
                693446.4037407178,
                2048047.8207429298,
                -92.18059526682538
              ],
              [
                694300.0037407179,
                2048047.8207429298,
                528.2594047331747
              ],
              [
                694300.0037407179,
                2047499.98074293,
                528.2594047331747
              ],
              [
                693446.4037407178,
                2047499.98074293,
                -92.18059526682538
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:55:49+00:00",
        "end_time": "2019-01-21T18:40:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_693300e_2048500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_693300e_2048500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_693300e_2048500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_693300e_2048500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16758529,
            18.50907443,
            -92.18059527,
            -67.15944974,
            18.51410184,
            528.2594047
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1675852923517,
                  18.50915292010718,
                  -92.18059526682538
                ],
                [
                  -67.16753259886531,
                  18.51410183826532,
                  -92.18059526682538
                ],
                [
                  -67.15944973863967,
                  18.514023328022393,
                  528.2594047331747
                ],
                [
                  -67.15950266423346,
                  18.509074432330404,
                  528.2594047331747
                ],
                [
                  -67.1675852923517,
                  18.50915292010718,
                  -92.18059526682538
                ]
              ]
            ]
          },
          "id": "20190121_693300e_2048500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_693300e_2048500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:55:49Z",
            "pc:count": 424521,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694055.1898,
                "count": 424521,
                "maximum": 694300.0037,
                "minimum": 693446.4037,
                "name": "X",
                "position": 0,
                "stddev": 210.4109633,
                "variance": 44272.77346
              },
              {
                "average": 2047641.005,
                "count": 424521,
                "maximum": 2048047.821,
                "minimum": 2047499.981,
                "name": "Y",
                "position": 1,
                "stddev": 140.0950546,
                "variance": 19626.62431
              },
              {
                "average": 0.1154020337,
                "count": 424521,
                "maximum": 528.2594047,
                "minimum": -92.18059527,
                "name": "Z",
                "position": 2,
                "stddev": 10.26429292,
                "variance": 105.3557091
              },
              {
                "average": 641.3712349,
                "count": 424521,
                "maximum": 2769,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 524.4565038,
                "variance": 275054.6244
              },
              {
                "average": 1.03564488,
                "count": 424521,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1912816478,
                "variance": 0.0365886688
              },
              {
                "average": 1.071098956,
                "count": 424521,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2695525544,
                "variance": 0.07265857958
              },
              {
                "average": 0.3719109302,
                "count": 424521,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4833153634,
                "variance": 0.2335937405
              },
              {
                "average": 0.009342294021,
                "count": 424521,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.09620310475,
                "variance": 0.009255037364
              },
              {
                "average": 13.85001213,
                "count": 424521,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.91694114,
                "variance": 396.6845445
              },
              {
                "average": -7.561754315,
                "count": 424521,
                "maximum": 24.13800049,
                "minimum": -26.89800072,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.25030459,
                "variance": 150.0699625
              },
              {
                "average": 0.8218250687,
                "count": 424521,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.022868206,
                "variance": 1.046259367
              },
              {
                "average": 83.36137435,
                "count": 424521,
                "maximum": 84,
                "minimum": 82,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7414899266,
                "variance": 0.5498073112
              },
              {
                "average": 232131925.2,
                "count": 424521,
                "maximum": 232132149.6,
                "minimum": 232131220.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 321.3198976,
                "variance": 103246.4766
              },
              {
                "average": 0.8218250687,
                "count": 424521,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.022868206,
                "variance": 1.046259367
              },
              {
                "average": 0,
                "count": 424521,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 424521,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2425769279,
                "count": 424521,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4286418024,
                "variance": 0.1837337947
              },
              {
                "average": 0,
                "count": 424521,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693446.4037,
              2047499.981,
              -92.18059527,
              694300.0037,
              2048047.821,
              528.2594047
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693446.4037407178,
                    2047499.98074293,
                    -92.18059526682538
                  ],
                  [
                    693446.4037407178,
                    2048047.8207429298,
                    -92.18059526682538
                  ],
                  [
                    694300.0037407179,
                    2048047.8207429298,
                    528.2594047331747
                  ],
                  [
                    694300.0037407179,
                    2047499.98074293,
                    528.2594047331747
                  ],
                  [
                    693446.4037407178,
                    2047499.98074293,
                    -92.18059526682538
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:55:49+00:00",
            "end_time": "2019-01-21T18:40:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_690300e_2041500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18997546032745,
              18.446126650744535,
              -77.65573997101917
            ],
            [
              -67.18992218220636,
              18.451210988137223,
              -77.65573997101917
            ],
            [
              -67.1885204824112,
              18.45119760308205,
              228.40426002898084
            ],
            [
              -67.18857380173516,
              18.446113269635926,
              228.40426002898084
            ],
            [
              -67.18997546032745,
              18.446126650744535,
              -77.65573997101917
            ]
          ]
        ]
      },
      "bbox": [
        -67.18997546,
        18.44611327,
        -77.65573997,
        -67.18852048,
        18.45121099,
        228.40426
      ],
      "properties": {
        "datetime": "2019-01-26T12:17:56Z",
        "pc:count": 183374,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691249.3371,
            "count": 183374,
            "maximum": 691300.0077,
            "minimum": 691151.9277,
            "name": "X",
            "position": 0,
            "stddev": 34.98591094,
            "variance": 1224.013964
          },
          {
            "average": 2040728.551,
            "count": 183374,
            "maximum": 2041062.805,
            "minimum": 2040499.985,
            "name": "Y",
            "position": 1,
            "stddev": 151.4668832,
            "variance": 22942.2167
          },
          {
            "average": -0.3700934781,
            "count": 183374,
            "maximum": 228.40426,
            "minimum": -77.65573997,
            "name": "Z",
            "position": 2,
            "stddev": 0.8678838568,
            "variance": 0.7532223888
          },
          {
            "average": 232.0562784,
            "count": 183374,
            "maximum": 2801,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 449.4109847,
            "variance": 201970.2331
          },
          {
            "average": 1.199728424,
            "count": 183374,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4938030934,
            "variance": 0.2438414951
          },
          {
            "average": 1.398682474,
            "count": 183374,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7005620619,
            "variance": 0.4907872025
          },
          {
            "average": 0.5565838123,
            "count": 183374,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4967893095,
            "variance": 0.2467996181
          },
          {
            "average": 0.01379693959,
            "count": 183374,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.1166475814,
            "variance": 0.01360665825
          },
          {
            "average": 18.78956668,
            "count": 183374,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.52870037,
            "variance": 463.4849394
          },
          {
            "average": -16.75878332,
            "count": 183374,
            "maximum": -4.895999908,
            "minimum": -21.56399918,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.381589261,
            "variance": 11.43514593
          },
          {
            "average": 0.7318485718,
            "count": 183374,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7394448867,
            "variance": 0.5467787404
          },
          {
            "average": 100,
            "count": 183374,
            "maximum": 100,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232540270.9,
            "count": 183374,
            "maximum": 232540276.2,
            "minimum": 232540264.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.623957423,
            "variance": 6.885152557
          },
          {
            "average": 0.7318485718,
            "count": 183374,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7394448867,
            "variance": 0.5467787404
          },
          {
            "average": 0,
            "count": 183374,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 183374,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.5016959874,
            "count": 183374,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.499998487,
            "variance": 0.249998487
          },
          {
            "average": 0,
            "count": 183374,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691151.9277,
          2040499.985,
          -77.65573997,
          691300.0077,
          2041062.805,
          228.40426
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691151.9276602869,
                2040499.9853258298,
                -77.65573997101917
              ],
              [
                691151.9276602869,
                2041062.8053258297,
                -77.65573997101917
              ],
              [
                691300.007660287,
                2041062.8053258297,
                228.40426002898084
              ],
              [
                691300.007660287,
                2040499.9853258298,
                228.40426002898084
              ],
              [
                691151.9276602869,
                2040499.9853258298,
                -77.65573997101917
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:17:56+00:00",
        "end_time": "2019-01-26T12:17:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_690300e_2041500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_690300e_2041500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_690300e_2041500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2041500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18997546,
            18.44611327,
            -77.65573997,
            -67.18852048,
            18.45121099,
            228.40426
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18997546032745,
                  18.446126650744535,
                  -77.65573997101917
                ],
                [
                  -67.18992218220636,
                  18.451210988137223,
                  -77.65573997101917
                ],
                [
                  -67.1885204824112,
                  18.45119760308205,
                  228.40426002898084
                ],
                [
                  -67.18857380173516,
                  18.446113269635926,
                  228.40426002898084
                ],
                [
                  -67.18997546032745,
                  18.446126650744535,
                  -77.65573997101917
                ]
              ]
            ]
          },
          "id": "20190126_690300e_2041500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2041500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:17:56Z",
            "pc:count": 183374,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691249.3371,
                "count": 183374,
                "maximum": 691300.0077,
                "minimum": 691151.9277,
                "name": "X",
                "position": 0,
                "stddev": 34.98591094,
                "variance": 1224.013964
              },
              {
                "average": 2040728.551,
                "count": 183374,
                "maximum": 2041062.805,
                "minimum": 2040499.985,
                "name": "Y",
                "position": 1,
                "stddev": 151.4668832,
                "variance": 22942.2167
              },
              {
                "average": -0.3700934781,
                "count": 183374,
                "maximum": 228.40426,
                "minimum": -77.65573997,
                "name": "Z",
                "position": 2,
                "stddev": 0.8678838568,
                "variance": 0.7532223888
              },
              {
                "average": 232.0562784,
                "count": 183374,
                "maximum": 2801,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 449.4109847,
                "variance": 201970.2331
              },
              {
                "average": 1.199728424,
                "count": 183374,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4938030934,
                "variance": 0.2438414951
              },
              {
                "average": 1.398682474,
                "count": 183374,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7005620619,
                "variance": 0.4907872025
              },
              {
                "average": 0.5565838123,
                "count": 183374,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4967893095,
                "variance": 0.2467996181
              },
              {
                "average": 0.01379693959,
                "count": 183374,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.1166475814,
                "variance": 0.01360665825
              },
              {
                "average": 18.78956668,
                "count": 183374,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.52870037,
                "variance": 463.4849394
              },
              {
                "average": -16.75878332,
                "count": 183374,
                "maximum": -4.895999908,
                "minimum": -21.56399918,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.381589261,
                "variance": 11.43514593
              },
              {
                "average": 0.7318485718,
                "count": 183374,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7394448867,
                "variance": 0.5467787404
              },
              {
                "average": 100,
                "count": 183374,
                "maximum": 100,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232540270.9,
                "count": 183374,
                "maximum": 232540276.2,
                "minimum": 232540264.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.623957423,
                "variance": 6.885152557
              },
              {
                "average": 0.7318485718,
                "count": 183374,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7394448867,
                "variance": 0.5467787404
              },
              {
                "average": 0,
                "count": 183374,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 183374,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.5016959874,
                "count": 183374,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.499998487,
                "variance": 0.249998487
              },
              {
                "average": 0,
                "count": 183374,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691151.9277,
              2040499.985,
              -77.65573997,
              691300.0077,
              2041062.805,
              228.40426
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691151.9276602869,
                    2040499.9853258298,
                    -77.65573997101917
                  ],
                  [
                    691151.9276602869,
                    2041062.8053258297,
                    -77.65573997101917
                  ],
                  [
                    691300.007660287,
                    2041062.8053258297,
                    228.40426002898084
                  ],
                  [
                    691300.007660287,
                    2040499.9853258298,
                    228.40426002898084
                  ],
                  [
                    691151.9276602869,
                    2040499.9853258298,
                    -77.65573997101917
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:17:56+00:00",
            "end_time": "2019-01-26T12:17:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_695300e_2038500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15100200501965,
              18.418647405341535,
              -124.23940104275977
            ],
            [
              -67.15090544487443,
              18.427681095649294,
              -124.23940104275977
            ],
            [
              -67.14777521320617,
              18.42765057916715,
              579.4805989572403
            ],
            [
              -67.1478719365852,
              18.41861690486354,
              579.4805989572403
            ],
            [
              -67.15100200501965,
              18.418647405341535,
              -124.23940104275977
            ]
          ]
        ]
      },
      "bbox": [
        -67.15100201,
        18.4186169,
        -124.239401,
        -67.14777521,
        18.4276811,
        579.480599
      ],
      "properties": {
        "datetime": "2019-01-27T15:00:03Z",
        "pc:count": 3880394,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 695389.1373,
            "count": 3880394,
            "maximum": 695630.7367,
            "minimum": 695299.9967,
            "name": "X",
            "position": 0,
            "stddev": 66.60077359,
            "variance": 4435.663042
          },
          {
            "average": 2038002.959,
            "count": 3880394,
            "maximum": 2038500.006,
            "minimum": 2037499.986,
            "name": "Y",
            "position": 1,
            "stddev": 265.3959891,
            "variance": 70435.03102
          },
          {
            "average": 96.17823662,
            "count": 3880394,
            "maximum": 579.480599,
            "minimum": -124.239401,
            "name": "Z",
            "position": 2,
            "stddev": 26.96220778,
            "variance": 726.9606482
          },
          {
            "average": 1288.944884,
            "count": 3880394,
            "maximum": 4646,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 550.6961873,
            "variance": 303266.2907
          },
          {
            "average": 2.227828927,
            "count": 3880394,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.566115613,
            "variance": 2.452718112
          },
          {
            "average": 3.450124652,
            "count": 3880394,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.148887812,
            "variance": 4.61771883
          },
          {
            "average": 0.3428440514,
            "count": 3880394,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4746599476,
            "variance": 0.2253020659
          },
          {
            "average": 0.001412485433,
            "count": 3880394,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03755649986,
            "variance": 0.001410490682
          },
          {
            "average": 1.247768654,
            "count": 3880394,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.7630406632,
            "variance": 0.5822310536
          },
          {
            "average": 11.70251245,
            "count": 3880394,
            "maximum": 20.66399956,
            "minimum": -21.8579998,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.029594146,
            "variance": 81.53357043
          },
          {
            "average": 1.036849866,
            "count": 3880394,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.161810741,
            "variance": 1.349804199
          },
          {
            "average": 116.9683527,
            "count": 3880394,
            "maximum": 117,
            "minimum": 116,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.1750592985,
            "variance": 0.03064575798
          },
          {
            "average": 232636388.5,
            "count": 3880394,
            "maximum": 232636403.8,
            "minimum": 232636174.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38.44906838,
            "variance": 1478.33086
          },
          {
            "average": 1.036849866,
            "count": 3880394,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.161810741,
            "variance": 1.349804199
          },
          {
            "average": 0,
            "count": 3880394,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3880394,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.316126146,
            "count": 3880394,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4649628604,
            "variance": 0.2161904615
          },
          {
            "average": 0,
            "count": 3880394,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          695299.9967,
          2037499.986,
          -124.239401,
          695630.7367,
          2038500.006,
          579.480599
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                695299.996748088,
                2037499.9860512898,
                -124.23940104275977
              ],
              [
                695299.996748088,
                2038500.0060512898,
                -124.23940104275977
              ],
              [
                695630.736748088,
                2038500.0060512898,
                579.4805989572403
              ],
              [
                695630.736748088,
                2037499.9860512898,
                579.4805989572403
              ],
              [
                695299.996748088,
                2037499.9860512898,
                -124.23940104275977
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T15:00:03+00:00",
        "end_time": "2019-01-27T14:56:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_695300e_2038500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_695300e_2038500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_695300e_2038500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2038500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15100201,
            18.4186169,
            -124.239401,
            -67.14777521,
            18.4276811,
            579.480599
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15100200501965,
                  18.418647405341535,
                  -124.23940104275977
                ],
                [
                  -67.15090544487443,
                  18.427681095649294,
                  -124.23940104275977
                ],
                [
                  -67.14777521320617,
                  18.42765057916715,
                  579.4805989572403
                ],
                [
                  -67.1478719365852,
                  18.41861690486354,
                  579.4805989572403
                ],
                [
                  -67.15100200501965,
                  18.418647405341535,
                  -124.23940104275977
                ]
              ]
            ]
          },
          "id": "20190127_695300e_2038500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2038500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T15:00:03Z",
            "pc:count": 3880394,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 695389.1373,
                "count": 3880394,
                "maximum": 695630.7367,
                "minimum": 695299.9967,
                "name": "X",
                "position": 0,
                "stddev": 66.60077359,
                "variance": 4435.663042
              },
              {
                "average": 2038002.959,
                "count": 3880394,
                "maximum": 2038500.006,
                "minimum": 2037499.986,
                "name": "Y",
                "position": 1,
                "stddev": 265.3959891,
                "variance": 70435.03102
              },
              {
                "average": 96.17823662,
                "count": 3880394,
                "maximum": 579.480599,
                "minimum": -124.239401,
                "name": "Z",
                "position": 2,
                "stddev": 26.96220778,
                "variance": 726.9606482
              },
              {
                "average": 1288.944884,
                "count": 3880394,
                "maximum": 4646,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 550.6961873,
                "variance": 303266.2907
              },
              {
                "average": 2.227828927,
                "count": 3880394,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.566115613,
                "variance": 2.452718112
              },
              {
                "average": 3.450124652,
                "count": 3880394,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.148887812,
                "variance": 4.61771883
              },
              {
                "average": 0.3428440514,
                "count": 3880394,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4746599476,
                "variance": 0.2253020659
              },
              {
                "average": 0.001412485433,
                "count": 3880394,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03755649986,
                "variance": 0.001410490682
              },
              {
                "average": 1.247768654,
                "count": 3880394,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.7630406632,
                "variance": 0.5822310536
              },
              {
                "average": 11.70251245,
                "count": 3880394,
                "maximum": 20.66399956,
                "minimum": -21.8579998,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.029594146,
                "variance": 81.53357043
              },
              {
                "average": 1.036849866,
                "count": 3880394,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.161810741,
                "variance": 1.349804199
              },
              {
                "average": 116.9683527,
                "count": 3880394,
                "maximum": 117,
                "minimum": 116,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.1750592985,
                "variance": 0.03064575798
              },
              {
                "average": 232636388.5,
                "count": 3880394,
                "maximum": 232636403.8,
                "minimum": 232636174.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38.44906838,
                "variance": 1478.33086
              },
              {
                "average": 1.036849866,
                "count": 3880394,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.161810741,
                "variance": 1.349804199
              },
              {
                "average": 0,
                "count": 3880394,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3880394,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.316126146,
                "count": 3880394,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4649628604,
                "variance": 0.2161904615
              },
              {
                "average": 0,
                "count": 3880394,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              695299.9967,
              2037499.986,
              -124.239401,
              695630.7367,
              2038500.006,
              579.480599
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    695299.996748088,
                    2037499.9860512898,
                    -124.23940104275977
                  ],
                  [
                    695299.996748088,
                    2038500.0060512898,
                    -124.23940104275977
                  ],
                  [
                    695630.736748088,
                    2038500.0060512898,
                    579.4805989572403
                  ],
                  [
                    695630.736748088,
                    2037499.9860512898,
                    579.4805989572403
                  ],
                  [
                    695299.996748088,
                    2037499.9860512898,
                    -124.23940104275977
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T15:00:03+00:00",
            "end_time": "2019-01-27T14:56:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_689300e_2036500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.20797314842184,
              18.401124093650886,
              -150.45210539312092
            ],
            [
              -67.20787965790319,
              18.410158087676194,
              -150.45210539312092
            ],
            [
              -67.19841581633337,
              18.41006858257458,
              494.4078946068791
            ],
            [
              -67.19850979990817,
              18.401034635529683,
              494.4078946068791
            ],
            [
              -67.20797314842184,
              18.401124093650886,
              -150.45210539312092
            ]
          ]
        ]
      },
      "bbox": [
        -67.20797315,
        18.40103464,
        -150.4521054,
        -67.19841582,
        18.41015809,
        494.4078946
      ],
      "properties": {
        "datetime": "2019-02-01T16:38:42Z",
        "pc:count": 5768073,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 689987.9737,
            "count": 5768073,
            "maximum": 690300.0105,
            "minimum": 689299.9905,
            "name": "X",
            "position": 0,
            "stddev": 253.8115925,
            "variance": 64420.32447
          },
          {
            "average": 2035761.662,
            "count": 5768073,
            "maximum": 2036499.999,
            "minimum": 2035499.979,
            "name": "Y",
            "position": 1,
            "stddev": 202.593229,
            "variance": 41044.01643
          },
          {
            "average": 0.102006507,
            "count": 5768073,
            "maximum": 494.4078946,
            "minimum": -150.4521054,
            "name": "Z",
            "position": 2,
            "stddev": 12.44153833,
            "variance": 154.7918761
          },
          {
            "average": 557.7943405,
            "count": 5768073,
            "maximum": 3429,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 578.1526007,
            "variance": 334260.4297
          },
          {
            "average": 1.224277501,
            "count": 5768073,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5828412425,
            "variance": 0.339703914
          },
          {
            "average": 1.448368805,
            "count": 5768073,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8625744721,
            "variance": 0.7440347199
          },
          {
            "average": 0.463110297,
            "count": 5768073,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4986373361,
            "variance": 0.2486391929
          },
          {
            "average": 0.003579705042,
            "count": 5768073,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05972345747,
            "variance": 0.003566891372
          },
          {
            "average": 28.17794036,
            "count": 5768073,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.66896823,
            "variance": 427.2062477
          },
          {
            "average": 1.363159486,
            "count": 5768073,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.80202115,
            "variance": 163.8917456
          },
          {
            "average": 1.130996608,
            "count": 5768073,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.089778009,
            "variance": 1.187616109
          },
          {
            "average": 111.5995481,
            "count": 5768073,
            "maximum": 124,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 10.95545667,
            "variance": 120.0220309
          },
          {
            "average": 232816442.5,
            "count": 5768073,
            "maximum": 233074322.1,
            "minimum": 232540185.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 266534.5305,
            "variance": 71040655950.0
          },
          {
            "average": 1.130996608,
            "count": 5768073,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.089778009,
            "variance": 1.187616109
          },
          {
            "average": 0,
            "count": 5768073,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5768073,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2181614206,
            "count": 5768073,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4129976329,
            "variance": 0.1705670448
          },
          {
            "average": 0,
            "count": 5768073,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          689299.9905,
          2035499.979,
          -150.4521054,
          690300.0105,
          2036499.999,
          494.4078946
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                689299.9905438207,
                2035499.9791788189,
                -150.45210539312092
              ],
              [
                689299.9905438207,
                2036499.999178819,
                -150.45210539312092
              ],
              [
                690300.0105438207,
                2036499.999178819,
                494.4078946068791
              ],
              [
                690300.0105438207,
                2035499.9791788189,
                494.4078946068791
              ],
              [
                689299.9905438207,
                2035499.9791788189,
                -150.45210539312092
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:38:42+00:00",
        "end_time": "2019-01-26T12:16:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_689300e_2036500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_689300e_2036500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_689300e_2036500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2036500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.20797315,
            18.40103464,
            -150.4521054,
            -67.19841582,
            18.41015809,
            494.4078946
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.20797314842184,
                  18.401124093650886,
                  -150.45210539312092
                ],
                [
                  -67.20787965790319,
                  18.410158087676194,
                  -150.45210539312092
                ],
                [
                  -67.19841581633337,
                  18.41006858257458,
                  494.4078946068791
                ],
                [
                  -67.19850979990817,
                  18.401034635529683,
                  494.4078946068791
                ],
                [
                  -67.20797314842184,
                  18.401124093650886,
                  -150.45210539312092
                ]
              ]
            ]
          },
          "id": "20190126_689300e_2036500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2036500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:38:42Z",
            "pc:count": 5768073,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 689987.9737,
                "count": 5768073,
                "maximum": 690300.0105,
                "minimum": 689299.9905,
                "name": "X",
                "position": 0,
                "stddev": 253.8115925,
                "variance": 64420.32447
              },
              {
                "average": 2035761.662,
                "count": 5768073,
                "maximum": 2036499.999,
                "minimum": 2035499.979,
                "name": "Y",
                "position": 1,
                "stddev": 202.593229,
                "variance": 41044.01643
              },
              {
                "average": 0.102006507,
                "count": 5768073,
                "maximum": 494.4078946,
                "minimum": -150.4521054,
                "name": "Z",
                "position": 2,
                "stddev": 12.44153833,
                "variance": 154.7918761
              },
              {
                "average": 557.7943405,
                "count": 5768073,
                "maximum": 3429,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 578.1526007,
                "variance": 334260.4297
              },
              {
                "average": 1.224277501,
                "count": 5768073,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5828412425,
                "variance": 0.339703914
              },
              {
                "average": 1.448368805,
                "count": 5768073,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8625744721,
                "variance": 0.7440347199
              },
              {
                "average": 0.463110297,
                "count": 5768073,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4986373361,
                "variance": 0.2486391929
              },
              {
                "average": 0.003579705042,
                "count": 5768073,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05972345747,
                "variance": 0.003566891372
              },
              {
                "average": 28.17794036,
                "count": 5768073,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.66896823,
                "variance": 427.2062477
              },
              {
                "average": 1.363159486,
                "count": 5768073,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.80202115,
                "variance": 163.8917456
              },
              {
                "average": 1.130996608,
                "count": 5768073,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.089778009,
                "variance": 1.187616109
              },
              {
                "average": 111.5995481,
                "count": 5768073,
                "maximum": 124,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 10.95545667,
                "variance": 120.0220309
              },
              {
                "average": 232816442.5,
                "count": 5768073,
                "maximum": 233074322.1,
                "minimum": 232540185.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 266534.5305,
                "variance": 71040655950.0
              },
              {
                "average": 1.130996608,
                "count": 5768073,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.089778009,
                "variance": 1.187616109
              },
              {
                "average": 0,
                "count": 5768073,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5768073,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2181614206,
                "count": 5768073,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4129976329,
                "variance": 0.1705670448
              },
              {
                "average": 0,
                "count": 5768073,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              689299.9905,
              2035499.979,
              -150.4521054,
              690300.0105,
              2036499.999,
              494.4078946
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    689299.9905438207,
                    2035499.9791788189,
                    -150.45210539312092
                  ],
                  [
                    689299.9905438207,
                    2036499.999178819,
                    -150.45210539312092
                  ],
                  [
                    690300.0105438207,
                    2036499.999178819,
                    494.4078946068791
                  ],
                  [
                    690300.0105438207,
                    2035499.9791788189,
                    494.4078946068791
                  ],
                  [
                    689299.9905438207,
                    2035499.9791788189,
                    -150.45210539312092
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:38:42+00:00",
            "end_time": "2019-01-26T12:16:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_685300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.2460091444641,
              18.383409237093264,
              -146.2869330558004
            ],
            [
              -67.24592439583938,
              18.391785035747976,
              -146.2869330558004
            ],
            [
              -67.23646136157281,
              18.391697509400633,
              455.09306694419956
            ],
            [
              -67.23654656683044,
              18.38332175337736,
              455.09306694419956
            ],
            [
              -67.2460091444641,
              18.383409237093264,
              -146.2869330558004
            ]
          ]
        ]
      },
      "bbox": [
        -67.24600914,
        18.38332175,
        -146.2869331,
        -67.23646136,
        18.39178504,
        455.0930669
      ],
      "properties": {
        "datetime": "2019-02-01T16:45:35Z",
        "pc:count": 7029053,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 685857.8447,
            "count": 7029053,
            "maximum": 686300.016,
            "minimum": 685299.996,
            "name": "X",
            "position": 0,
            "stddev": 282.2028192,
            "variance": 79638.43117
          },
          {
            "average": 2033853.826,
            "count": 7029053,
            "maximum": 2034427.125,
            "minimum": 2033499.985,
            "name": "Y",
            "position": 1,
            "stddev": 221.3414623,
            "variance": 48992.04295
          },
          {
            "average": 0.3025915089,
            "count": 7029053,
            "maximum": 455.0930669,
            "minimum": -146.2869331,
            "name": "Z",
            "position": 2,
            "stddev": 15.56164249,
            "variance": 242.1647169
          },
          {
            "average": 855.4953524,
            "count": 7029053,
            "maximum": 3062,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 497.8410291,
            "variance": 247845.6902
          },
          {
            "average": 1.017389683,
            "count": 7029053,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1382616776,
            "variance": 0.01911629149
          },
          {
            "average": 1.03498181,
            "count": 7029053,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1997378005,
            "variance": 0.03989518894
          },
          {
            "average": 0.3630099247,
            "count": 7029053,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4808677075,
            "variance": 0.2312337522
          },
          {
            "average": 0.003457080207,
            "count": 7029053,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05869522377,
            "variance": 0.003445129294
          },
          {
            "average": 25.12565363,
            "count": 7029053,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.88420637,
            "variance": 436.1500756
          },
          {
            "average": 0.766411829,
            "count": 7029053,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.19195751,
            "variance": 148.643828
          },
          {
            "average": 1.316537519,
            "count": 7029053,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.220787402,
            "variance": 1.490321881
          },
          {
            "average": 122.801459,
            "count": 7029053,
            "maximum": 125,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7775430257,
            "variance": 0.6045731568
          },
          {
            "average": 233073988.7,
            "count": 7029053,
            "maximum": 233074735.1,
            "minimum": 233073694.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 269.2114386,
            "variance": 72474.79868
          },
          {
            "average": 1.316537519,
            "count": 7029053,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.220787402,
            "variance": 1.490321881
          },
          {
            "average": 0,
            "count": 7029053,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7029053,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1895565448,
            "count": 7029053,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3919501027,
            "variance": 0.153624883
          },
          {
            "average": 0,
            "count": 7029053,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          685299.996,
          2033499.985,
          -146.2869331,
          686300.016,
          2034427.125,
          455.0930669
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                685299.9960477119,
                2033499.9846229807,
                -146.2869330558004
              ],
              [
                685299.9960477119,
                2034427.1246229808,
                -146.2869330558004
              ],
              [
                686300.016047712,
                2034427.1246229808,
                455.09306694419956
              ],
              [
                686300.016047712,
                2033499.9846229807,
                455.09306694419956
              ],
              [
                685299.9960477119,
                2033499.9846229807,
                -146.2869330558004
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:45:35+00:00",
        "end_time": "2019-02-01T16:28:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_685300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_685300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_685300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_685300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.24600914,
            18.38332175,
            -146.2869331,
            -67.23646136,
            18.39178504,
            455.0930669
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.2460091444641,
                  18.383409237093264,
                  -146.2869330558004
                ],
                [
                  -67.24592439583938,
                  18.391785035747976,
                  -146.2869330558004
                ],
                [
                  -67.23646136157281,
                  18.391697509400633,
                  455.09306694419956
                ],
                [
                  -67.23654656683044,
                  18.38332175337736,
                  455.09306694419956
                ],
                [
                  -67.2460091444641,
                  18.383409237093264,
                  -146.2869330558004
                ]
              ]
            ]
          },
          "id": "20190201_685300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_685300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:45:35Z",
            "pc:count": 7029053,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 685857.8447,
                "count": 7029053,
                "maximum": 686300.016,
                "minimum": 685299.996,
                "name": "X",
                "position": 0,
                "stddev": 282.2028192,
                "variance": 79638.43117
              },
              {
                "average": 2033853.826,
                "count": 7029053,
                "maximum": 2034427.125,
                "minimum": 2033499.985,
                "name": "Y",
                "position": 1,
                "stddev": 221.3414623,
                "variance": 48992.04295
              },
              {
                "average": 0.3025915089,
                "count": 7029053,
                "maximum": 455.0930669,
                "minimum": -146.2869331,
                "name": "Z",
                "position": 2,
                "stddev": 15.56164249,
                "variance": 242.1647169
              },
              {
                "average": 855.4953524,
                "count": 7029053,
                "maximum": 3062,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 497.8410291,
                "variance": 247845.6902
              },
              {
                "average": 1.017389683,
                "count": 7029053,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1382616776,
                "variance": 0.01911629149
              },
              {
                "average": 1.03498181,
                "count": 7029053,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1997378005,
                "variance": 0.03989518894
              },
              {
                "average": 0.3630099247,
                "count": 7029053,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4808677075,
                "variance": 0.2312337522
              },
              {
                "average": 0.003457080207,
                "count": 7029053,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05869522377,
                "variance": 0.003445129294
              },
              {
                "average": 25.12565363,
                "count": 7029053,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.88420637,
                "variance": 436.1500756
              },
              {
                "average": 0.766411829,
                "count": 7029053,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.19195751,
                "variance": 148.643828
              },
              {
                "average": 1.316537519,
                "count": 7029053,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.220787402,
                "variance": 1.490321881
              },
              {
                "average": 122.801459,
                "count": 7029053,
                "maximum": 125,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7775430257,
                "variance": 0.6045731568
              },
              {
                "average": 233073988.7,
                "count": 7029053,
                "maximum": 233074735.1,
                "minimum": 233073694.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 269.2114386,
                "variance": 72474.79868
              },
              {
                "average": 1.316537519,
                "count": 7029053,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.220787402,
                "variance": 1.490321881
              },
              {
                "average": 0,
                "count": 7029053,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7029053,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1895565448,
                "count": 7029053,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3919501027,
                "variance": 0.153624883
              },
              {
                "average": 0,
                "count": 7029053,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              685299.996,
              2033499.985,
              -146.2869331,
              686300.016,
              2034427.125,
              455.0930669
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    685299.9960477119,
                    2033499.9846229807,
                    -146.2869330558004
                  ],
                  [
                    685299.9960477119,
                    2034427.1246229808,
                    -146.2869330558004
                  ],
                  [
                    686300.016047712,
                    2034427.1246229808,
                    455.09306694419956
                  ],
                  [
                    686300.016047712,
                    2033499.9846229807,
                    455.09306694419956
                  ],
                  [
                    685299.9960477119,
                    2033499.9846229807,
                    -146.2869330558004
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:45:35+00:00",
            "end_time": "2019-02-01T16:28:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18918869131676,
              18.387369180456663,
              -106.78965026183931
            ],
            [
              -67.18914123940493,
              18.391911161728853,
              -106.78965026183931
            ],
            [
              -67.18116789548954,
              18.391835062200332,
              535.2103497381606
            ],
            [
              -67.18121555605543,
              18.387293101028277,
              535.2103497381606
            ],
            [
              -67.18918869131676,
              18.387369180456663,
              -106.78965026183931
            ]
          ]
        ]
      },
      "bbox": [
        -67.18918869,
        18.3872931,
        -106.7896503,
        -67.1811679,
        18.39191116,
        535.2103497
      ],
      "properties": {
        "datetime": "2019-01-26T13:10:46Z",
        "pc:count": 4273923,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691547.5599,
            "count": 4273923,
            "maximum": 692142.6172,
            "minimum": 691299.9972,
            "name": "X",
            "position": 0,
            "stddev": 181.5602348,
            "variance": 32964.11885
          },
          {
            "average": 2034353.875,
            "count": 4273923,
            "maximum": 2034499.999,
            "minimum": 2033997.219,
            "name": "Y",
            "position": 1,
            "stddev": 112.9500609,
            "variance": 12757.71626
          },
          {
            "average": 8.418518975,
            "count": 4273923,
            "maximum": 535.2103497,
            "minimum": -106.7896503,
            "name": "Z",
            "position": 2,
            "stddev": 9.940579166,
            "variance": 98.81511415
          },
          {
            "average": 1115.210311,
            "count": 4273923,
            "maximum": 3410,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 498.9578746,
            "variance": 248958.9606
          },
          {
            "average": 2.43232529,
            "count": 4273923,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.563699514,
            "variance": 2.445156171
          },
          {
            "average": 3.864998972,
            "count": 4273923,
            "maximum": 9,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.962339081,
            "variance": 3.850774667
          },
          {
            "average": 0.3905879914,
            "count": 4273923,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4878822277,
            "variance": 0.2380290681
          },
          {
            "average": 0.0007590216295,
            "count": 4273923,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.02753989276,
            "variance": 0.0007584456932
          },
          {
            "average": 1.10907941,
            "count": 4273923,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4933349619,
            "variance": 0.2433793846
          },
          {
            "average": 4.782044061,
            "count": 4273923,
            "maximum": 20.63400078,
            "minimum": -21.58200073,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 11.35748635,
            "variance": 128.9924963
          },
          {
            "average": 0.959186677,
            "count": 4273923,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.084594506,
            "variance": 1.176345242
          },
          {
            "average": 106.4733703,
            "count": 4273923,
            "maximum": 108,
            "minimum": 105,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6663178974,
            "variance": 0.4439795403
          },
          {
            "average": 232542950,
            "count": 4273923,
            "maximum": 232543446.4,
            "minimum": 232542236.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 291.9230359,
            "variance": 85219.05888
          },
          {
            "average": 0.959186677,
            "count": 4273923,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.084594506,
            "variance": 1.176345242
          },
          {
            "average": 0,
            "count": 4273923,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4273923,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1734523528,
            "count": 4273923,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.378637911,
            "variance": 0.1433666676
          },
          {
            "average": 0,
            "count": 4273923,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691299.9972,
          2033997.219,
          -106.7896503,
          692142.6172,
          2034499.999,
          535.2103497
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691299.9972075733,
                2033997.2191142675,
                -106.78965026183931
              ],
              [
                691299.9972075733,
                2034499.9991142673,
                -106.78965026183931
              ],
              [
                692142.6172075734,
                2034499.9991142673,
                535.2103497381606
              ],
              [
                692142.6172075734,
                2033997.2191142675,
                535.2103497381606
              ],
              [
                691299.9972075733,
                2033997.2191142675,
                -106.78965026183931
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T13:10:46+00:00",
        "end_time": "2019-01-26T12:50:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18918869,
            18.3872931,
            -106.7896503,
            -67.1811679,
            18.39191116,
            535.2103497
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18918869131676,
                  18.387369180456663,
                  -106.78965026183931
                ],
                [
                  -67.18914123940493,
                  18.391911161728853,
                  -106.78965026183931
                ],
                [
                  -67.18116789548954,
                  18.391835062200332,
                  535.2103497381606
                ],
                [
                  -67.18121555605543,
                  18.387293101028277,
                  535.2103497381606
                ],
                [
                  -67.18918869131676,
                  18.387369180456663,
                  -106.78965026183931
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T13:10:46Z",
            "pc:count": 4273923,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691547.5599,
                "count": 4273923,
                "maximum": 692142.6172,
                "minimum": 691299.9972,
                "name": "X",
                "position": 0,
                "stddev": 181.5602348,
                "variance": 32964.11885
              },
              {
                "average": 2034353.875,
                "count": 4273923,
                "maximum": 2034499.999,
                "minimum": 2033997.219,
                "name": "Y",
                "position": 1,
                "stddev": 112.9500609,
                "variance": 12757.71626
              },
              {
                "average": 8.418518975,
                "count": 4273923,
                "maximum": 535.2103497,
                "minimum": -106.7896503,
                "name": "Z",
                "position": 2,
                "stddev": 9.940579166,
                "variance": 98.81511415
              },
              {
                "average": 1115.210311,
                "count": 4273923,
                "maximum": 3410,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 498.9578746,
                "variance": 248958.9606
              },
              {
                "average": 2.43232529,
                "count": 4273923,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.563699514,
                "variance": 2.445156171
              },
              {
                "average": 3.864998972,
                "count": 4273923,
                "maximum": 9,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.962339081,
                "variance": 3.850774667
              },
              {
                "average": 0.3905879914,
                "count": 4273923,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4878822277,
                "variance": 0.2380290681
              },
              {
                "average": 0.0007590216295,
                "count": 4273923,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.02753989276,
                "variance": 0.0007584456932
              },
              {
                "average": 1.10907941,
                "count": 4273923,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4933349619,
                "variance": 0.2433793846
              },
              {
                "average": 4.782044061,
                "count": 4273923,
                "maximum": 20.63400078,
                "minimum": -21.58200073,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 11.35748635,
                "variance": 128.9924963
              },
              {
                "average": 0.959186677,
                "count": 4273923,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.084594506,
                "variance": 1.176345242
              },
              {
                "average": 106.4733703,
                "count": 4273923,
                "maximum": 108,
                "minimum": 105,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6663178974,
                "variance": 0.4439795403
              },
              {
                "average": 232542950,
                "count": 4273923,
                "maximum": 232543446.4,
                "minimum": 232542236.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 291.9230359,
                "variance": 85219.05888
              },
              {
                "average": 0.959186677,
                "count": 4273923,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.084594506,
                "variance": 1.176345242
              },
              {
                "average": 0,
                "count": 4273923,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4273923,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1734523528,
                "count": 4273923,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.378637911,
                "variance": 0.1433666676
              },
              {
                "average": 0,
                "count": 4273923,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691299.9972,
              2033997.219,
              -106.7896503,
              692142.6172,
              2034499.999,
              535.2103497
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691299.9972075733,
                    2033997.2191142675,
                    -106.78965026183931
                  ],
                  [
                    691299.9972075733,
                    2034499.9991142673,
                    -106.78965026183931
                  ],
                  [
                    692142.6172075734,
                    2034499.9991142673,
                    535.2103497381606
                  ],
                  [
                    692142.6172075734,
                    2033997.2191142675,
                    535.2103497381606
                  ],
                  [
                    691299.9972075733,
                    2033997.2191142675,
                    -106.78965026183931
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T13:10:46+00:00",
            "end_time": "2019-01-26T12:50:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_711300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.99875059457572,
              18.48937419511998,
              -136.31907305165288
            ],
            [
              -66.99864565628884,
              18.498407006891938,
              -136.31907305165288
            ],
            [
              -66.98917813291251,
              18.49830662196584,
              554.080926948347
            ],
            [
              -66.98928356680258,
              18.489273862661403,
              554.080926948347
            ],
            [
              -66.99875059457572,
              18.48937419511998,
              -136.31907305165288
            ]
          ]
        ]
      },
      "bbox": [
        -66.99875059,
        18.48927386,
        -136.3190731,
        -66.98917813,
        18.49840701,
        554.0809269
      ],
      "properties": {
        "datetime": "2019-01-21T20:05:34Z",
        "pc:count": 16753237,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 711838.9093,
            "count": 16753237,
            "maximum": 712300.0104,
            "minimum": 711299.9904,
            "name": "X",
            "position": 0,
            "stddev": 284.7347167,
            "variance": 81073.85891
          },
          {
            "average": 2046054.866,
            "count": 16753237,
            "maximum": 2046500,
            "minimum": 2045499.98,
            "name": "Y",
            "position": 1,
            "stddev": 263.3104079,
            "variance": 69332.37093
          },
          {
            "average": 64.06335326,
            "count": 16753237,
            "maximum": 554.0809269,
            "minimum": -136.3190731,
            "name": "Z",
            "position": 2,
            "stddev": 8.556347212,
            "variance": 73.21107761
          },
          {
            "average": 1801.51859,
            "count": 16753237,
            "maximum": 4514,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 454.1894724,
            "variance": 206288.0769
          },
          {
            "average": 1.364307328,
            "count": 16753237,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8905670757,
            "variance": 0.7931097163
          },
          {
            "average": 1.728664019,
            "count": 16753237,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.372008906,
            "variance": 1.88240844
          },
          {
            "average": 0.3499017533,
            "count": 16753237,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4769387067,
            "variance": 0.2274705299
          },
          {
            "average": 0.001782640573,
            "count": 16753237,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04218368016,
            "variance": 0.001779462871
          },
          {
            "average": 2.60304137,
            "count": 16753237,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.167515181,
            "variance": 51.37327388
          },
          {
            "average": -1.330539465,
            "count": 16753237,
            "maximum": 24.8220005,
            "minimum": -22.8239994,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.40013353,
            "variance": 179.5635786
          },
          {
            "average": 1.219879597,
            "count": 16753237,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.213148441,
            "variance": 1.471729141
          },
          {
            "average": 88.57095121,
            "count": 16753237,
            "maximum": 91,
            "minimum": 87,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9916541282,
            "variance": 0.98337791
          },
          {
            "average": 232134884.1,
            "count": 16753237,
            "maximum": 232136334.6,
            "minimum": 232134190.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 526.2085114,
            "variance": 276895.3974
          },
          {
            "average": 1.219879597,
            "count": 16753237,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.213148441,
            "variance": 1.471729141
          },
          {
            "average": 0,
            "count": 16753237,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16753237,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2226786979,
            "count": 16753237,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4160443555,
            "variance": 0.1730929057
          },
          {
            "average": 0,
            "count": 16753237,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          711299.9904,
          2045499.98,
          -136.3190731,
          712300.0104,
          2046500,
          554.0809269
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                711299.9904118932,
                2045499.980124477,
                -136.31907305165288
              ],
              [
                711299.9904118932,
                2046500.000124477,
                -136.31907305165288
              ],
              [
                712300.0104118933,
                2046500.000124477,
                554.080926948347
              ],
              [
                712300.0104118933,
                2045499.980124477,
                554.080926948347
              ],
              [
                711299.9904118932,
                2045499.980124477,
                -136.31907305165288
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:05:34+00:00",
        "end_time": "2019-01-21T19:29:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_711300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_711300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_711300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_711300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.99875059,
            18.48927386,
            -136.3190731,
            -66.98917813,
            18.49840701,
            554.0809269
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.99875059457572,
                  18.48937419511998,
                  -136.31907305165288
                ],
                [
                  -66.99864565628884,
                  18.498407006891938,
                  -136.31907305165288
                ],
                [
                  -66.98917813291251,
                  18.49830662196584,
                  554.080926948347
                ],
                [
                  -66.98928356680258,
                  18.489273862661403,
                  554.080926948347
                ],
                [
                  -66.99875059457572,
                  18.48937419511998,
                  -136.31907305165288
                ]
              ]
            ]
          },
          "id": "20190121_711300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_711300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:05:34Z",
            "pc:count": 16753237,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 711838.9093,
                "count": 16753237,
                "maximum": 712300.0104,
                "minimum": 711299.9904,
                "name": "X",
                "position": 0,
                "stddev": 284.7347167,
                "variance": 81073.85891
              },
              {
                "average": 2046054.866,
                "count": 16753237,
                "maximum": 2046500,
                "minimum": 2045499.98,
                "name": "Y",
                "position": 1,
                "stddev": 263.3104079,
                "variance": 69332.37093
              },
              {
                "average": 64.06335326,
                "count": 16753237,
                "maximum": 554.0809269,
                "minimum": -136.3190731,
                "name": "Z",
                "position": 2,
                "stddev": 8.556347212,
                "variance": 73.21107761
              },
              {
                "average": 1801.51859,
                "count": 16753237,
                "maximum": 4514,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 454.1894724,
                "variance": 206288.0769
              },
              {
                "average": 1.364307328,
                "count": 16753237,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8905670757,
                "variance": 0.7931097163
              },
              {
                "average": 1.728664019,
                "count": 16753237,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.372008906,
                "variance": 1.88240844
              },
              {
                "average": 0.3499017533,
                "count": 16753237,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4769387067,
                "variance": 0.2274705299
              },
              {
                "average": 0.001782640573,
                "count": 16753237,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04218368016,
                "variance": 0.001779462871
              },
              {
                "average": 2.60304137,
                "count": 16753237,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.167515181,
                "variance": 51.37327388
              },
              {
                "average": -1.330539465,
                "count": 16753237,
                "maximum": 24.8220005,
                "minimum": -22.8239994,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.40013353,
                "variance": 179.5635786
              },
              {
                "average": 1.219879597,
                "count": 16753237,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.213148441,
                "variance": 1.471729141
              },
              {
                "average": 88.57095121,
                "count": 16753237,
                "maximum": 91,
                "minimum": 87,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9916541282,
                "variance": 0.98337791
              },
              {
                "average": 232134884.1,
                "count": 16753237,
                "maximum": 232136334.6,
                "minimum": 232134190.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 526.2085114,
                "variance": 276895.3974
              },
              {
                "average": 1.219879597,
                "count": 16753237,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.213148441,
                "variance": 1.471729141
              },
              {
                "average": 0,
                "count": 16753237,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16753237,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2226786979,
                "count": 16753237,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4160443555,
                "variance": 0.1730929057
              },
              {
                "average": 0,
                "count": 16753237,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              711299.9904,
              2045499.98,
              -136.3190731,
              712300.0104,
              2046500,
              554.0809269
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    711299.9904118932,
                    2045499.980124477,
                    -136.31907305165288
                  ],
                  [
                    711299.9904118932,
                    2046500.000124477,
                    -136.31907305165288
                  ],
                  [
                    712300.0104118933,
                    2046500.000124477,
                    554.080926948347
                  ],
                  [
                    712300.0104118933,
                    2045499.980124477,
                    554.080926948347
                  ],
                  [
                    711299.9904118932,
                    2045499.980124477,
                    -136.31907305165288
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:05:34+00:00",
            "end_time": "2019-01-21T19:29:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_693300e_2038500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16992986164217,
              18.418830686152713,
              -129.56663330512174
            ],
            [
              -67.16983428861397,
              18.42786447266274,
              -129.56663330512174
            ],
            [
              -67.160369679272,
              18.427772988370375,
              575.5733666948782
            ],
            [
              -67.16046574587357,
              18.418739249838712,
              575.5733666948782
            ],
            [
              -67.16992986164217,
              18.418830686152713,
              -129.56663330512174
            ]
          ]
        ]
      },
      "bbox": [
        -67.16992986,
        18.41873925,
        -129.5666333,
        -67.16036968,
        18.42786447,
        575.5733667
      ],
      "properties": {
        "datetime": "2019-01-27T14:48:21Z",
        "pc:count": 7495762,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693859.4109,
            "count": 7495762,
            "maximum": 694300.0106,
            "minimum": 693299.9906,
            "name": "X",
            "position": 0,
            "stddev": 301.0819253,
            "variance": 90650.32576
          },
          {
            "average": 2037893.659,
            "count": 7495762,
            "maximum": 2038499.999,
            "minimum": 2037499.979,
            "name": "Y",
            "position": 1,
            "stddev": 304.0468177,
            "variance": 92444.46738
          },
          {
            "average": -1.023814954,
            "count": 7495762,
            "maximum": 575.5733667,
            "minimum": -129.5666333,
            "name": "Z",
            "position": 2,
            "stddev": 10.95634641,
            "variance": 120.0415267
          },
          {
            "average": 359.0230191,
            "count": 7495762,
            "maximum": 3738,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 522.7039676,
            "variance": 273219.4378
          },
          {
            "average": 1.395327653,
            "count": 7495762,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7470709499,
            "variance": 0.5581150041
          },
          {
            "average": 1.791801687,
            "count": 7495762,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.060369617,
            "variance": 1.124383725
          },
          {
            "average": 0.5612568809,
            "count": 7495762,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4962334404,
            "variance": 0.2462476274
          },
          {
            "average": 0.004819389943,
            "count": 7495762,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06925434328,
            "variance": 0.004796164064
          },
          {
            "average": 30.40669021,
            "count": 7495762,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.09297534,
            "variance": 403.7276579
          },
          {
            "average": 0.2498411504,
            "count": 7495762,
            "maximum": 20.81399918,
            "minimum": -21.78000069,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.77895667,
            "variance": 163.3017336
          },
          {
            "average": 1.177037638,
            "count": 7495762,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.011524437,
            "variance": 1.023181688
          },
          {
            "average": 111.8348938,
            "count": 7495762,
            "maximum": 114,
            "minimum": 109,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.305851271,
            "variance": 1.705247543
          },
          {
            "average": 232635112.7,
            "count": 7495762,
            "maximum": 232635701.5,
            "minimum": 232634173.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 370.1990962,
            "variance": 137047.3708
          },
          {
            "average": 1.177037638,
            "count": 7495762,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.011524437,
            "variance": 1.023181688
          },
          {
            "average": 0,
            "count": 7495762,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7495762,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1982884462,
            "count": 7495762,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3987106213,
            "variance": 0.1589701595
          },
          {
            "average": 0,
            "count": 7495762,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693299.9906,
          2037499.979,
          -129.5666333,
          694300.0106,
          2038499.999,
          575.5733667
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693299.9905671923,
                2037499.979438402,
                -129.56663330512174
              ],
              [
                693299.9905671923,
                2038499.999438402,
                -129.56663330512174
              ],
              [
                694300.0105671923,
                2038499.999438402,
                575.5733666948782
              ],
              [
                694300.0105671923,
                2037499.979438402,
                575.5733666948782
              ],
              [
                693299.9905671923,
                2037499.979438402,
                -129.56663330512174
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:48:21+00:00",
        "end_time": "2019-01-27T14:22:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_693300e_2038500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_693300e_2038500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_693300e_2038500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_693300e_2038500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16992986,
            18.41873925,
            -129.5666333,
            -67.16036968,
            18.42786447,
            575.5733667
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16992986164217,
                  18.418830686152713,
                  -129.56663330512174
                ],
                [
                  -67.16983428861397,
                  18.42786447266274,
                  -129.56663330512174
                ],
                [
                  -67.160369679272,
                  18.427772988370375,
                  575.5733666948782
                ],
                [
                  -67.16046574587357,
                  18.418739249838712,
                  575.5733666948782
                ],
                [
                  -67.16992986164217,
                  18.418830686152713,
                  -129.56663330512174
                ]
              ]
            ]
          },
          "id": "20190127_693300e_2038500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_693300e_2038500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:48:21Z",
            "pc:count": 7495762,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693859.4109,
                "count": 7495762,
                "maximum": 694300.0106,
                "minimum": 693299.9906,
                "name": "X",
                "position": 0,
                "stddev": 301.0819253,
                "variance": 90650.32576
              },
              {
                "average": 2037893.659,
                "count": 7495762,
                "maximum": 2038499.999,
                "minimum": 2037499.979,
                "name": "Y",
                "position": 1,
                "stddev": 304.0468177,
                "variance": 92444.46738
              },
              {
                "average": -1.023814954,
                "count": 7495762,
                "maximum": 575.5733667,
                "minimum": -129.5666333,
                "name": "Z",
                "position": 2,
                "stddev": 10.95634641,
                "variance": 120.0415267
              },
              {
                "average": 359.0230191,
                "count": 7495762,
                "maximum": 3738,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 522.7039676,
                "variance": 273219.4378
              },
              {
                "average": 1.395327653,
                "count": 7495762,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7470709499,
                "variance": 0.5581150041
              },
              {
                "average": 1.791801687,
                "count": 7495762,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.060369617,
                "variance": 1.124383725
              },
              {
                "average": 0.5612568809,
                "count": 7495762,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4962334404,
                "variance": 0.2462476274
              },
              {
                "average": 0.004819389943,
                "count": 7495762,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06925434328,
                "variance": 0.004796164064
              },
              {
                "average": 30.40669021,
                "count": 7495762,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.09297534,
                "variance": 403.7276579
              },
              {
                "average": 0.2498411504,
                "count": 7495762,
                "maximum": 20.81399918,
                "minimum": -21.78000069,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.77895667,
                "variance": 163.3017336
              },
              {
                "average": 1.177037638,
                "count": 7495762,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.011524437,
                "variance": 1.023181688
              },
              {
                "average": 111.8348938,
                "count": 7495762,
                "maximum": 114,
                "minimum": 109,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.305851271,
                "variance": 1.705247543
              },
              {
                "average": 232635112.7,
                "count": 7495762,
                "maximum": 232635701.5,
                "minimum": 232634173.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 370.1990962,
                "variance": 137047.3708
              },
              {
                "average": 1.177037638,
                "count": 7495762,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.011524437,
                "variance": 1.023181688
              },
              {
                "average": 0,
                "count": 7495762,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7495762,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1982884462,
                "count": 7495762,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3987106213,
                "variance": 0.1589701595
              },
              {
                "average": 0,
                "count": 7495762,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693299.9906,
              2037499.979,
              -129.5666333,
              694300.0106,
              2038499.999,
              575.5733667
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693299.9905671923,
                    2037499.979438402,
                    -129.56663330512174
                  ],
                  [
                    693299.9905671923,
                    2038499.999438402,
                    -129.56663330512174
                  ],
                  [
                    694300.0105671923,
                    2038499.999438402,
                    575.5733666948782
                  ],
                  [
                    694300.0105671923,
                    2037499.979438402,
                    575.5733666948782
                  ],
                  [
                    693299.9905671923,
                    2037499.979438402,
                    -129.56663330512174
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:48:21+00:00",
            "end_time": "2019-01-27T14:22:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_686300e_2035500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.23547639726661,
              18.39234659501648,
              -149.55097225362132
            ],
            [
              -67.23544311519282,
              18.395615081718628,
              -149.55097225362132
            ],
            [
              -67.22695839723515,
              18.39553614386175,
              444.2890277463787
            ],
            [
              -67.22699183913902,
              18.392267672160994,
              444.2890277463787
            ],
            [
              -67.23547639726661,
              18.39234659501648,
              -149.55097225362132
            ]
          ]
        ]
      },
      "bbox": [
        -67.2354764,
        18.39226767,
        -149.5509723,
        -67.2269584,
        18.39561508,
        444.2890277
      ],
      "properties": {
        "datetime": "2019-02-01T16:34:58Z",
        "pc:count": 1166423,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 687022.2228,
            "count": 1166423,
            "maximum": 687300.0158,
            "minimum": 686403.3958,
            "name": "X",
            "position": 0,
            "stddev": 200.642329,
            "variance": 40257.34417
          },
          {
            "average": 2034611.875,
            "count": 1166423,
            "maximum": 2034861.779,
            "minimum": 2034499.979,
            "name": "Y",
            "position": 1,
            "stddev": 82.78811208,
            "variance": 6853.871501
          },
          {
            "average": 0.3980987695,
            "count": 1166423,
            "maximum": 444.2890277,
            "minimum": -149.5509723,
            "name": "Z",
            "position": 2,
            "stddev": 14.02574673,
            "variance": 196.7215714
          },
          {
            "average": 870.6419232,
            "count": 1166423,
            "maximum": 2787,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 496.3086168,
            "variance": 246322.2431
          },
          {
            "average": 1.009457975,
            "count": 1166423,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09829412213,
            "variance": 0.009661734446
          },
          {
            "average": 1.01894167,
            "count": 1166423,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1395203991,
            "variance": 0.01946594177
          },
          {
            "average": 0.4048548425,
            "count": 1166423,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4908641417,
            "variance": 0.2409476056
          },
          {
            "average": 0.004151152712,
            "count": 1166423,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06429560006,
            "variance": 0.004133924187
          },
          {
            "average": 26.4786694,
            "count": 1166423,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.54942361,
            "variance": 422.2788108
          },
          {
            "average": 6.82854147,
            "count": 1166423,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.5857154,
            "variance": 112.0573704
          },
          {
            "average": 1.331330915,
            "count": 1166423,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.188209689,
            "variance": 1.411842265
          },
          {
            "average": 122.031558,
            "count": 1166423,
            "maximum": 123,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.1748203,
            "variance": 0.03056213728
          },
          {
            "average": 233073698.5,
            "count": 1166423,
            "maximum": 233074098.5,
            "minimum": 233073678.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 71.82181275,
            "variance": 5158.372787
          },
          {
            "average": 1.331330915,
            "count": 1166423,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.188209689,
            "variance": 1.411842265
          },
          {
            "average": 0,
            "count": 1166423,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1166423,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2194075391,
            "count": 1166423,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4138454032,
            "variance": 0.1712680177
          },
          {
            "average": 0,
            "count": 1166423,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          686403.3958,
          2034499.979,
          -149.5509723,
          687300.0158,
          2034861.779,
          444.2890277
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                686403.3957726089,
                2034499.9786729908,
                -149.55097225362132
              ],
              [
                686403.3957726089,
                2034861.7786729906,
                -149.55097225362132
              ],
              [
                687300.015772609,
                2034861.7786729906,
                444.2890277463787
              ],
              [
                687300.015772609,
                2034499.9786729908,
                444.2890277463787
              ],
              [
                686403.3957726089,
                2034499.9786729908,
                -149.55097225362132
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:34:58+00:00",
        "end_time": "2019-02-01T16:27:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_686300e_2035500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_686300e_2035500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_686300e_2035500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_686300e_2035500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.2354764,
            18.39226767,
            -149.5509723,
            -67.2269584,
            18.39561508,
            444.2890277
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.23547639726661,
                  18.39234659501648,
                  -149.55097225362132
                ],
                [
                  -67.23544311519282,
                  18.395615081718628,
                  -149.55097225362132
                ],
                [
                  -67.22695839723515,
                  18.39553614386175,
                  444.2890277463787
                ],
                [
                  -67.22699183913902,
                  18.392267672160994,
                  444.2890277463787
                ],
                [
                  -67.23547639726661,
                  18.39234659501648,
                  -149.55097225362132
                ]
              ]
            ]
          },
          "id": "20190201_686300e_2035500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_686300e_2035500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:34:58Z",
            "pc:count": 1166423,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 687022.2228,
                "count": 1166423,
                "maximum": 687300.0158,
                "minimum": 686403.3958,
                "name": "X",
                "position": 0,
                "stddev": 200.642329,
                "variance": 40257.34417
              },
              {
                "average": 2034611.875,
                "count": 1166423,
                "maximum": 2034861.779,
                "minimum": 2034499.979,
                "name": "Y",
                "position": 1,
                "stddev": 82.78811208,
                "variance": 6853.871501
              },
              {
                "average": 0.3980987695,
                "count": 1166423,
                "maximum": 444.2890277,
                "minimum": -149.5509723,
                "name": "Z",
                "position": 2,
                "stddev": 14.02574673,
                "variance": 196.7215714
              },
              {
                "average": 870.6419232,
                "count": 1166423,
                "maximum": 2787,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 496.3086168,
                "variance": 246322.2431
              },
              {
                "average": 1.009457975,
                "count": 1166423,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09829412213,
                "variance": 0.009661734446
              },
              {
                "average": 1.01894167,
                "count": 1166423,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1395203991,
                "variance": 0.01946594177
              },
              {
                "average": 0.4048548425,
                "count": 1166423,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4908641417,
                "variance": 0.2409476056
              },
              {
                "average": 0.004151152712,
                "count": 1166423,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06429560006,
                "variance": 0.004133924187
              },
              {
                "average": 26.4786694,
                "count": 1166423,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.54942361,
                "variance": 422.2788108
              },
              {
                "average": 6.82854147,
                "count": 1166423,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.5857154,
                "variance": 112.0573704
              },
              {
                "average": 1.331330915,
                "count": 1166423,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.188209689,
                "variance": 1.411842265
              },
              {
                "average": 122.031558,
                "count": 1166423,
                "maximum": 123,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.1748203,
                "variance": 0.03056213728
              },
              {
                "average": 233073698.5,
                "count": 1166423,
                "maximum": 233074098.5,
                "minimum": 233073678.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 71.82181275,
                "variance": 5158.372787
              },
              {
                "average": 1.331330915,
                "count": 1166423,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.188209689,
                "variance": 1.411842265
              },
              {
                "average": 0,
                "count": 1166423,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1166423,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2194075391,
                "count": 1166423,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4138454032,
                "variance": 0.1712680177
              },
              {
                "average": 0,
                "count": 1166423,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              686403.3958,
              2034499.979,
              -149.5509723,
              687300.0158,
              2034861.779,
              444.2890277
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    686403.3957726089,
                    2034499.9786729908,
                    -149.55097225362132
                  ],
                  [
                    686403.3957726089,
                    2034861.7786729906,
                    -149.55097225362132
                  ],
                  [
                    687300.015772609,
                    2034861.7786729906,
                    444.2890277463787
                  ],
                  [
                    687300.015772609,
                    2034499.9786729908,
                    444.2890277463787
                  ],
                  [
                    686403.3957726089,
                    2034499.9786729908,
                    -149.55097225362132
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:34:58+00:00",
            "end_time": "2019-02-01T16:27:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_718300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.93237551475974,
              18.497694273575295,
              -114.36994912263663
            ],
            [
              -66.9323269746306,
              18.501736928923453,
              -114.36994912263663
            ],
            [
              -66.92285985000817,
              18.501633210917582,
              539.4300508773634
            ],
            [
              -66.92290861199628,
              18.497590579827985,
              539.4300508773634
            ],
            [
              -66.93237551475974,
              18.497694273575295,
              -114.36994912263663
            ]
          ]
        ]
      },
      "bbox": [
        -66.93237551,
        18.49759058,
        -114.3699491,
        -66.92285985,
        18.50173693,
        539.4300509
      ],
      "properties": {
        "datetime": "2019-01-21T19:28:28Z",
        "pc:count": 2151115,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 718805.307,
            "count": 2151115,
            "maximum": 719300,
            "minimum": 718300,
            "name": "X",
            "position": 0,
            "stddev": 294.5623377,
            "variance": 86766.97079
          },
          {
            "average": 2046679.086,
            "count": 2151115,
            "maximum": 2046947.567,
            "minimum": 2046499.987,
            "name": "Y",
            "position": 1,
            "stddev": 116.8545521,
            "variance": 13654.98634
          },
          {
            "average": 0.1395470363,
            "count": 2151115,
            "maximum": 539.4300509,
            "minimum": -114.3699491,
            "name": "Z",
            "position": 2,
            "stddev": 10.1454331,
            "variance": 102.9298127
          },
          {
            "average": 788.2892574,
            "count": 2151115,
            "maximum": 2964,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 525.8939888,
            "variance": 276564.4874
          },
          {
            "average": 1.019227703,
            "count": 2151115,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1399931738,
            "variance": 0.0195980887
          },
          {
            "average": 1.038501893,
            "count": 2151115,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1980785471,
            "variance": 0.03923511083
          },
          {
            "average": 0.3901581273,
            "count": 2151115,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4877856841,
            "variance": 0.2379348736
          },
          {
            "average": 0.005395806361,
            "count": 2151115,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07325772403,
            "variance": 0.005366694129
          },
          {
            "average": 18.58595984,
            "count": 2151115,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.43450648,
            "variance": 459.4380679
          },
          {
            "average": 2.69000627,
            "count": 2151115,
            "maximum": 23.1060009,
            "minimum": -23.86199951,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.14204989,
            "variance": 147.4293754
          },
          {
            "average": 1.036105462,
            "count": 2151115,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.120038475,
            "variance": 1.254486186
          },
          {
            "average": 86.2919286,
            "count": 2151115,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4546497448,
            "variance": 0.2067063905
          },
          {
            "average": 232133602,
            "count": 2151115,
            "maximum": 232134108.8,
            "minimum": 232133386.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 319.1615517,
            "variance": 101864.0961
          },
          {
            "average": 1.036105462,
            "count": 2151115,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.120038475,
            "variance": 1.254486186
          },
          {
            "average": 0,
            "count": 2151115,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2151115,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1227963173,
            "count": 2151115,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3282033391,
            "variance": 0.1077174318
          },
          {
            "average": 0,
            "count": 2151115,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          718300,
          2046499.987,
          -114.3699491,
          719300,
          2046947.567,
          539.4300509
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                718299.9999751176,
                2046499.9869419795,
                -114.36994912263663
              ],
              [
                718299.9999751176,
                2046947.5669419796,
                -114.36994912263663
              ],
              [
                719299.9999751176,
                2046947.5669419796,
                539.4300508773634
              ],
              [
                719299.9999751176,
                2046499.9869419795,
                539.4300508773634
              ],
              [
                718299.9999751176,
                2046499.9869419795,
                -114.36994912263663
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:28:28+00:00",
        "end_time": "2019-01-21T19:16:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_718300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_718300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_718300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.93237551,
            18.49759058,
            -114.3699491,
            -66.92285985,
            18.50173693,
            539.4300509
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.93237551475974,
                  18.497694273575295,
                  -114.36994912263663
                ],
                [
                  -66.9323269746306,
                  18.501736928923453,
                  -114.36994912263663
                ],
                [
                  -66.92285985000817,
                  18.501633210917582,
                  539.4300508773634
                ],
                [
                  -66.92290861199628,
                  18.497590579827985,
                  539.4300508773634
                ],
                [
                  -66.93237551475974,
                  18.497694273575295,
                  -114.36994912263663
                ]
              ]
            ]
          },
          "id": "20190121_718300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:28:28Z",
            "pc:count": 2151115,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 718805.307,
                "count": 2151115,
                "maximum": 719300,
                "minimum": 718300,
                "name": "X",
                "position": 0,
                "stddev": 294.5623377,
                "variance": 86766.97079
              },
              {
                "average": 2046679.086,
                "count": 2151115,
                "maximum": 2046947.567,
                "minimum": 2046499.987,
                "name": "Y",
                "position": 1,
                "stddev": 116.8545521,
                "variance": 13654.98634
              },
              {
                "average": 0.1395470363,
                "count": 2151115,
                "maximum": 539.4300509,
                "minimum": -114.3699491,
                "name": "Z",
                "position": 2,
                "stddev": 10.1454331,
                "variance": 102.9298127
              },
              {
                "average": 788.2892574,
                "count": 2151115,
                "maximum": 2964,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 525.8939888,
                "variance": 276564.4874
              },
              {
                "average": 1.019227703,
                "count": 2151115,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1399931738,
                "variance": 0.0195980887
              },
              {
                "average": 1.038501893,
                "count": 2151115,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1980785471,
                "variance": 0.03923511083
              },
              {
                "average": 0.3901581273,
                "count": 2151115,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4877856841,
                "variance": 0.2379348736
              },
              {
                "average": 0.005395806361,
                "count": 2151115,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07325772403,
                "variance": 0.005366694129
              },
              {
                "average": 18.58595984,
                "count": 2151115,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.43450648,
                "variance": 459.4380679
              },
              {
                "average": 2.69000627,
                "count": 2151115,
                "maximum": 23.1060009,
                "minimum": -23.86199951,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.14204989,
                "variance": 147.4293754
              },
              {
                "average": 1.036105462,
                "count": 2151115,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.120038475,
                "variance": 1.254486186
              },
              {
                "average": 86.2919286,
                "count": 2151115,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4546497448,
                "variance": 0.2067063905
              },
              {
                "average": 232133602,
                "count": 2151115,
                "maximum": 232134108.8,
                "minimum": 232133386.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 319.1615517,
                "variance": 101864.0961
              },
              {
                "average": 1.036105462,
                "count": 2151115,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.120038475,
                "variance": 1.254486186
              },
              {
                "average": 0,
                "count": 2151115,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2151115,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1227963173,
                "count": 2151115,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3282033391,
                "variance": 0.1077174318
              },
              {
                "average": 0,
                "count": 2151115,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              718300,
              2046499.987,
              -114.3699491,
              719300,
              2046947.567,
              539.4300509
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    718299.9999751176,
                    2046499.9869419795,
                    -114.36994912263663
                  ],
                  [
                    718299.9999751176,
                    2046947.5669419796,
                    -114.36994912263663
                  ],
                  [
                    719299.9999751176,
                    2046947.5669419796,
                    539.4300508773634
                  ],
                  [
                    719299.9999751176,
                    2046499.9869419795,
                    539.4300508773634
                  ],
                  [
                    718299.9999751176,
                    2046499.9869419795,
                    -114.36994912263663
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:28:28+00:00",
            "end_time": "2019-01-21T19:16:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_693300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16906762871285,
              18.50013281453124,
              -130.75445509023325
            ],
            [
              -67.16897155820516,
              18.50916651933037,
              -130.75445509023325
            ],
            [
              -67.1595026833327,
              18.50907460486123,
              578.9055449097667
            ],
            [
              -67.159599249972,
              18.500040948083125,
              578.9055449097667
            ],
            [
              -67.16906762871285,
              18.50013281453124,
              -130.75445509023325
            ]
          ]
        ]
      },
      "bbox": [
        -67.16906763,
        18.50004095,
        -130.7544551,
        -67.15950268,
        18.50916652,
        578.9055449
      ],
      "properties": {
        "datetime": "2019-01-21T19:08:26Z",
        "pc:count": 5315523,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693868.3151,
            "count": 5315523,
            "maximum": 694300.0015,
            "minimum": 693300.0015,
            "name": "X",
            "position": 0,
            "stddev": 271.5143132,
            "variance": 73720.02225
          },
          {
            "average": 2046931.59,
            "count": 5315523,
            "maximum": 2047500,
            "minimum": 2046499.98,
            "name": "Y",
            "position": 1,
            "stddev": 276.3270322,
            "variance": 76356.62873
          },
          {
            "average": -0.523068397,
            "count": 5315523,
            "maximum": 578.9055449,
            "minimum": -130.7544551,
            "name": "Z",
            "position": 2,
            "stddev": 13.2817378,
            "variance": 176.4045589
          },
          {
            "average": 738.674724,
            "count": 5315523,
            "maximum": 3098,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 514.9985069,
            "variance": 265223.4621
          },
          {
            "average": 1.036211677,
            "count": 5315523,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1995144873,
            "variance": 0.03980603065
          },
          {
            "average": 1.072326091,
            "count": 5315523,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2858587783,
            "variance": 0.08171524114
          },
          {
            "average": 0.3778314947,
            "count": 5315523,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4848452336,
            "variance": 0.2350749005
          },
          {
            "average": 0.005922653331,
            "count": 5315523,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07673054552,
            "variance": 0.005887576616
          },
          {
            "average": 19.7791698,
            "count": 5315523,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.58798044,
            "variance": 466.0408993
          },
          {
            "average": 0.7963010813,
            "count": 5315523,
            "maximum": 23.26799965,
            "minimum": -26.02799988,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.08025604,
            "variance": 145.932586
          },
          {
            "average": 1.295841632,
            "count": 5315523,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.205262065,
            "variance": 1.452656645
          },
          {
            "average": 76.77428411,
            "count": 5315523,
            "maximum": 85,
            "minimum": 71,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.346109481,
            "variance": 40.27310554
          },
          {
            "average": 232129743.6,
            "count": 5315523,
            "maximum": 232132906.3,
            "minimum": 232127721.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2319.530474,
            "variance": 5380221.62
          },
          {
            "average": 1.295841632,
            "count": 5315523,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.205262065,
            "variance": 1.452656645
          },
          {
            "average": 0,
            "count": 5315523,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5315523,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1541029923,
            "count": 5315523,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3610474825,
            "variance": 0.1303552846
          },
          {
            "average": 0,
            "count": 5315523,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693300.0015,
          2046499.98,
          -130.7544551,
          694300.0015,
          2047500,
          578.9055449
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693300.001529055,
                2046499.9798194293,
                -130.75445509023325
              ],
              [
                693300.001529055,
                2047499.9998194294,
                -130.75445509023325
              ],
              [
                694300.001529055,
                2047499.9998194294,
                578.9055449097667
              ],
              [
                694300.001529055,
                2046499.9798194293,
                578.9055449097667
              ],
              [
                693300.001529055,
                2046499.9798194293,
                -130.75445509023325
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:08:26+00:00",
        "end_time": "2019-01-21T17:42:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_693300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_693300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_693300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_693300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16906763,
            18.50004095,
            -130.7544551,
            -67.15950268,
            18.50916652,
            578.9055449
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16906762871285,
                  18.50013281453124,
                  -130.75445509023325
                ],
                [
                  -67.16897155820516,
                  18.50916651933037,
                  -130.75445509023325
                ],
                [
                  -67.1595026833327,
                  18.50907460486123,
                  578.9055449097667
                ],
                [
                  -67.159599249972,
                  18.500040948083125,
                  578.9055449097667
                ],
                [
                  -67.16906762871285,
                  18.50013281453124,
                  -130.75445509023325
                ]
              ]
            ]
          },
          "id": "20190121_693300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_693300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:08:26Z",
            "pc:count": 5315523,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693868.3151,
                "count": 5315523,
                "maximum": 694300.0015,
                "minimum": 693300.0015,
                "name": "X",
                "position": 0,
                "stddev": 271.5143132,
                "variance": 73720.02225
              },
              {
                "average": 2046931.59,
                "count": 5315523,
                "maximum": 2047500,
                "minimum": 2046499.98,
                "name": "Y",
                "position": 1,
                "stddev": 276.3270322,
                "variance": 76356.62873
              },
              {
                "average": -0.523068397,
                "count": 5315523,
                "maximum": 578.9055449,
                "minimum": -130.7544551,
                "name": "Z",
                "position": 2,
                "stddev": 13.2817378,
                "variance": 176.4045589
              },
              {
                "average": 738.674724,
                "count": 5315523,
                "maximum": 3098,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 514.9985069,
                "variance": 265223.4621
              },
              {
                "average": 1.036211677,
                "count": 5315523,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1995144873,
                "variance": 0.03980603065
              },
              {
                "average": 1.072326091,
                "count": 5315523,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2858587783,
                "variance": 0.08171524114
              },
              {
                "average": 0.3778314947,
                "count": 5315523,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4848452336,
                "variance": 0.2350749005
              },
              {
                "average": 0.005922653331,
                "count": 5315523,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07673054552,
                "variance": 0.005887576616
              },
              {
                "average": 19.7791698,
                "count": 5315523,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.58798044,
                "variance": 466.0408993
              },
              {
                "average": 0.7963010813,
                "count": 5315523,
                "maximum": 23.26799965,
                "minimum": -26.02799988,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.08025604,
                "variance": 145.932586
              },
              {
                "average": 1.295841632,
                "count": 5315523,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.205262065,
                "variance": 1.452656645
              },
              {
                "average": 76.77428411,
                "count": 5315523,
                "maximum": 85,
                "minimum": 71,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.346109481,
                "variance": 40.27310554
              },
              {
                "average": 232129743.6,
                "count": 5315523,
                "maximum": 232132906.3,
                "minimum": 232127721.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2319.530474,
                "variance": 5380221.62
              },
              {
                "average": 1.295841632,
                "count": 5315523,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.205262065,
                "variance": 1.452656645
              },
              {
                "average": 0,
                "count": 5315523,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5315523,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1541029923,
                "count": 5315523,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3610474825,
                "variance": 0.1303552846
              },
              {
                "average": 0,
                "count": 5315523,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693300.0015,
              2046499.98,
              -130.7544551,
              694300.0015,
              2047500,
              578.9055449
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693300.001529055,
                    2046499.9798194293,
                    -130.75445509023325
                  ],
                  [
                    693300.001529055,
                    2047499.9998194294,
                    -130.75445509023325
                  ],
                  [
                    694300.001529055,
                    2047499.9998194294,
                    578.9055449097667
                  ],
                  [
                    694300.001529055,
                    2046499.9798194293,
                    578.9055449097667
                  ],
                  [
                    693300.001529055,
                    2046499.9798194293,
                    -130.75445509023325
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:08:26+00:00",
            "end_time": "2019-01-21T17:42:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17872704693994,
              18.482157034144173,
              -89.75298685591429
            ],
            [
              -67.17863158264959,
              18.4911908048925,
              -89.75298685591429
            ],
            [
              -67.16916364442116,
              18.491099459466447,
              493.18701314408577
            ],
            [
              -67.1692596042853,
              18.482065736482156,
              493.18701314408577
            ],
            [
              -67.17872704693994,
              18.482157034144173,
              -89.75298685591429
            ]
          ]
        ]
      },
      "bbox": [
        -67.17872705,
        18.48206574,
        -89.75298686,
        -67.16916364,
        18.4911908,
        493.1870131
      ],
      "properties": {
        "datetime": "2019-01-26T12:44:19Z",
        "pc:count": 11347058,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692929.6837,
            "count": 11347058,
            "maximum": 693300.0011,
            "minimum": 692300.0011,
            "name": "X",
            "position": 0,
            "stddev": 248.1291614,
            "variance": 61568.08073
          },
          {
            "average": 2044970.152,
            "count": 11347058,
            "maximum": 2045500,
            "minimum": 2044499.98,
            "name": "Y",
            "position": 1,
            "stddev": 273.6188851,
            "variance": 74867.29429
          },
          {
            "average": -2.878705776,
            "count": 11347058,
            "maximum": 493.1870131,
            "minimum": -89.75298686,
            "name": "Z",
            "position": 2,
            "stddev": 13.01371664,
            "variance": 169.3568209
          },
          {
            "average": 252.8419981,
            "count": 11347058,
            "maximum": 4682,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 441.6349498,
            "variance": 195041.4289
          },
          {
            "average": 1.684949879,
            "count": 11347058,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.017162102,
            "variance": 1.034618742
          },
          {
            "average": 2.370505112,
            "count": 11347058,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.396550073,
            "variance": 1.950352107
          },
          {
            "average": 0.5565156184,
            "count": 11347058,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4967957393,
            "variance": 0.2468060066
          },
          {
            "average": 0.002678932284,
            "count": 11347058,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05168903018,
            "variance": 0.002671755841
          },
          {
            "average": 31.04114229,
            "count": 11347058,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.95038127,
            "variance": 398.0177127
          },
          {
            "average": 3.970551605,
            "count": 11347058,
            "maximum": 20.61000061,
            "minimum": -22.91399956,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.05271966,
            "variance": 170.3734906
          },
          {
            "average": 0.8352364992,
            "count": 11347058,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.83366616,
            "variance": 0.6949992663
          },
          {
            "average": 101.5759514,
            "count": 11347058,
            "maximum": 104,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.007536849,
            "variance": 1.015130503
          },
          {
            "average": 232540859.6,
            "count": 11347058,
            "maximum": 232541859.7,
            "minimum": 232540328.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 375.5563375,
            "variance": 141042.5626
          },
          {
            "average": 0.8352069761,
            "count": 11347058,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8336780313,
            "variance": 0.6950190598
          },
          {
            "average": 0,
            "count": 11347058,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11347058,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2523143003,
            "count": 11347058,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4343406622,
            "variance": 0.1886518108
          },
          {
            "average": 0,
            "count": 11347058,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692300.0011,
          2044499.98,
          -89.75298686,
          693300.0011,
          2045500,
          493.1870131
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692300.001070417,
                2044499.9795366523,
                -89.75298685591429
              ],
              [
                692300.001070417,
                2045499.9995366524,
                -89.75298685591429
              ],
              [
                693300.001070417,
                2045499.9995366524,
                493.18701314408577
              ],
              [
                693300.001070417,
                2044499.9795366523,
                493.18701314408577
              ],
              [
                692300.001070417,
                2044499.9795366523,
                -89.75298685591429
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:44:19+00:00",
        "end_time": "2019-01-26T12:18:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17872705,
            18.48206574,
            -89.75298686,
            -67.16916364,
            18.4911908,
            493.1870131
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17872704693994,
                  18.482157034144173,
                  -89.75298685591429
                ],
                [
                  -67.17863158264959,
                  18.4911908048925,
                  -89.75298685591429
                ],
                [
                  -67.16916364442116,
                  18.491099459466447,
                  493.18701314408577
                ],
                [
                  -67.1692596042853,
                  18.482065736482156,
                  493.18701314408577
                ],
                [
                  -67.17872704693994,
                  18.482157034144173,
                  -89.75298685591429
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:44:19Z",
            "pc:count": 11347058,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692929.6837,
                "count": 11347058,
                "maximum": 693300.0011,
                "minimum": 692300.0011,
                "name": "X",
                "position": 0,
                "stddev": 248.1291614,
                "variance": 61568.08073
              },
              {
                "average": 2044970.152,
                "count": 11347058,
                "maximum": 2045500,
                "minimum": 2044499.98,
                "name": "Y",
                "position": 1,
                "stddev": 273.6188851,
                "variance": 74867.29429
              },
              {
                "average": -2.878705776,
                "count": 11347058,
                "maximum": 493.1870131,
                "minimum": -89.75298686,
                "name": "Z",
                "position": 2,
                "stddev": 13.01371664,
                "variance": 169.3568209
              },
              {
                "average": 252.8419981,
                "count": 11347058,
                "maximum": 4682,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 441.6349498,
                "variance": 195041.4289
              },
              {
                "average": 1.684949879,
                "count": 11347058,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.017162102,
                "variance": 1.034618742
              },
              {
                "average": 2.370505112,
                "count": 11347058,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.396550073,
                "variance": 1.950352107
              },
              {
                "average": 0.5565156184,
                "count": 11347058,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4967957393,
                "variance": 0.2468060066
              },
              {
                "average": 0.002678932284,
                "count": 11347058,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05168903018,
                "variance": 0.002671755841
              },
              {
                "average": 31.04114229,
                "count": 11347058,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.95038127,
                "variance": 398.0177127
              },
              {
                "average": 3.970551605,
                "count": 11347058,
                "maximum": 20.61000061,
                "minimum": -22.91399956,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.05271966,
                "variance": 170.3734906
              },
              {
                "average": 0.8352364992,
                "count": 11347058,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.83366616,
                "variance": 0.6949992663
              },
              {
                "average": 101.5759514,
                "count": 11347058,
                "maximum": 104,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.007536849,
                "variance": 1.015130503
              },
              {
                "average": 232540859.6,
                "count": 11347058,
                "maximum": 232541859.7,
                "minimum": 232540328.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 375.5563375,
                "variance": 141042.5626
              },
              {
                "average": 0.8352069761,
                "count": 11347058,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8336780313,
                "variance": 0.6950190598
              },
              {
                "average": 0,
                "count": 11347058,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11347058,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2523143003,
                "count": 11347058,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4343406622,
                "variance": 0.1886518108
              },
              {
                "average": 0,
                "count": 11347058,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692300.0011,
              2044499.98,
              -89.75298686,
              693300.0011,
              2045500,
              493.1870131
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692300.001070417,
                    2044499.9795366523,
                    -89.75298685591429
                  ],
                  [
                    692300.001070417,
                    2045499.9995366524,
                    -89.75298685591429
                  ],
                  [
                    693300.001070417,
                    2045499.9995366524,
                    493.18701314408577
                  ],
                  [
                    693300.001070417,
                    2044499.9795366523,
                    493.18701314408577
                  ],
                  [
                    692300.001070417,
                    2044499.9795366523,
                    -89.75298685591429
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:44:19+00:00",
            "end_time": "2019-01-26T12:18:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_706300e_2048500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.04588071399628,
              18.507934522241964,
              -128.5718256400822
            ],
            [
              -67.0457781357982,
              18.516967574315327,
              -128.5718256400822
            ],
            [
              -67.03630932074843,
              18.516869452234147,
              532.1681743599178
            ],
            [
              -67.03641239519321,
              18.5078364514027,
              532.1681743599178
            ],
            [
              -67.04588071399628,
              18.507934522241964,
              -128.5718256400822
            ]
          ]
        ]
      },
      "bbox": [
        -67.04588071,
        18.50783645,
        -128.5718256,
        -67.03630932,
        18.51696757,
        532.1681744
      ],
      "properties": {
        "datetime": "2019-01-21T18:58:57Z",
        "pc:count": 29066907,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 706790.5772,
            "count": 29066907,
            "maximum": 707300.0103,
            "minimum": 706299.9903,
            "name": "X",
            "position": 0,
            "stddev": 290.7778168,
            "variance": 84551.73874
          },
          {
            "average": 2047972.393,
            "count": 29066907,
            "maximum": 2048500,
            "minimum": 2047499.98,
            "name": "Y",
            "position": 1,
            "stddev": 292.7489903,
            "variance": 85701.97134
          },
          {
            "average": 5.612935691,
            "count": 29066907,
            "maximum": 532.1681744,
            "minimum": -128.5718256,
            "name": "Z",
            "position": 2,
            "stddev": 13.64216513,
            "variance": 186.1086695
          },
          {
            "average": 1081.615898,
            "count": 29066907,
            "maximum": 3781,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 662.7031788,
            "variance": 439175.5031
          },
          {
            "average": 2.009168365,
            "count": 29066907,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.346705289,
            "variance": 1.813615136
          },
          {
            "average": 3.018643848,
            "count": 29066907,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.847580006,
            "variance": 3.413551877
          },
          {
            "average": 0.4155015186,
            "count": 29066907,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4928082944,
            "variance": 0.242860015
          },
          {
            "average": 0.001241205334,
            "count": 29066907,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03520887368,
            "variance": 0.001239664786
          },
          {
            "average": 10.85257781,
            "count": 29066907,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 17.92947139,
            "variance": 321.4659444
          },
          {
            "average": 3.870603394,
            "count": 29066907,
            "maximum": 24.58799934,
            "minimum": -24,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.30879248,
            "variance": 177.1239572
          },
          {
            "average": 0.9062084246,
            "count": 29066907,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.032670598,
            "variance": 1.066408564
          },
          {
            "average": 81.45356628,
            "count": 29066907,
            "maximum": 84,
            "minimum": 79,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.192246247,
            "variance": 1.421451113
          },
          {
            "average": 232131124.9,
            "count": 29066907,
            "maximum": 232132337.5,
            "minimum": 232130037.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 497.9451069,
            "variance": 247949.3295
          },
          {
            "average": 0.9062084246,
            "count": 29066907,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.032670598,
            "variance": 1.066408564
          },
          {
            "average": 0,
            "count": 29066907,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 29066907,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2581942069,
            "count": 29066907,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4376413657,
            "variance": 0.191529965
          },
          {
            "average": 0,
            "count": 29066907,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          706299.9903,
          2047499.98,
          -128.5718256,
          707300.0103,
          2048500,
          532.1681744
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                706299.9902781995,
                2047499.9797413363,
                -128.5718256400822
              ],
              [
                706299.9902781995,
                2048499.9997413363,
                -128.5718256400822
              ],
              [
                707300.0102781996,
                2048499.9997413363,
                532.1681743599178
              ],
              [
                707300.0102781996,
                2047499.9797413363,
                532.1681743599178
              ],
              [
                706299.9902781995,
                2047499.9797413363,
                -128.5718256400822
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:58:57+00:00",
        "end_time": "2019-01-21T18:20:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_706300e_2048500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_706300e_2048500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_706300e_2048500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_706300e_2048500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.04588071,
            18.50783645,
            -128.5718256,
            -67.03630932,
            18.51696757,
            532.1681744
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.04588071399628,
                  18.507934522241964,
                  -128.5718256400822
                ],
                [
                  -67.0457781357982,
                  18.516967574315327,
                  -128.5718256400822
                ],
                [
                  -67.03630932074843,
                  18.516869452234147,
                  532.1681743599178
                ],
                [
                  -67.03641239519321,
                  18.5078364514027,
                  532.1681743599178
                ],
                [
                  -67.04588071399628,
                  18.507934522241964,
                  -128.5718256400822
                ]
              ]
            ]
          },
          "id": "20190121_706300e_2048500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_706300e_2048500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:58:57Z",
            "pc:count": 29066907,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 706790.5772,
                "count": 29066907,
                "maximum": 707300.0103,
                "minimum": 706299.9903,
                "name": "X",
                "position": 0,
                "stddev": 290.7778168,
                "variance": 84551.73874
              },
              {
                "average": 2047972.393,
                "count": 29066907,
                "maximum": 2048500,
                "minimum": 2047499.98,
                "name": "Y",
                "position": 1,
                "stddev": 292.7489903,
                "variance": 85701.97134
              },
              {
                "average": 5.612935691,
                "count": 29066907,
                "maximum": 532.1681744,
                "minimum": -128.5718256,
                "name": "Z",
                "position": 2,
                "stddev": 13.64216513,
                "variance": 186.1086695
              },
              {
                "average": 1081.615898,
                "count": 29066907,
                "maximum": 3781,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 662.7031788,
                "variance": 439175.5031
              },
              {
                "average": 2.009168365,
                "count": 29066907,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.346705289,
                "variance": 1.813615136
              },
              {
                "average": 3.018643848,
                "count": 29066907,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.847580006,
                "variance": 3.413551877
              },
              {
                "average": 0.4155015186,
                "count": 29066907,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4928082944,
                "variance": 0.242860015
              },
              {
                "average": 0.001241205334,
                "count": 29066907,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03520887368,
                "variance": 0.001239664786
              },
              {
                "average": 10.85257781,
                "count": 29066907,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 17.92947139,
                "variance": 321.4659444
              },
              {
                "average": 3.870603394,
                "count": 29066907,
                "maximum": 24.58799934,
                "minimum": -24,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.30879248,
                "variance": 177.1239572
              },
              {
                "average": 0.9062084246,
                "count": 29066907,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.032670598,
                "variance": 1.066408564
              },
              {
                "average": 81.45356628,
                "count": 29066907,
                "maximum": 84,
                "minimum": 79,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.192246247,
                "variance": 1.421451113
              },
              {
                "average": 232131124.9,
                "count": 29066907,
                "maximum": 232132337.5,
                "minimum": 232130037.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 497.9451069,
                "variance": 247949.3295
              },
              {
                "average": 0.9062084246,
                "count": 29066907,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.032670598,
                "variance": 1.066408564
              },
              {
                "average": 0,
                "count": 29066907,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 29066907,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2581942069,
                "count": 29066907,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4376413657,
                "variance": 0.191529965
              },
              {
                "average": 0,
                "count": 29066907,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              706299.9903,
              2047499.98,
              -128.5718256,
              707300.0103,
              2048500,
              532.1681744
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    706299.9902781995,
                    2047499.9797413363,
                    -128.5718256400822
                  ],
                  [
                    706299.9902781995,
                    2048499.9997413363,
                    -128.5718256400822
                  ],
                  [
                    707300.0102781996,
                    2048499.9997413363,
                    532.1681743599178
                  ],
                  [
                    707300.0102781996,
                    2047499.9797413363,
                    532.1681743599178
                  ],
                  [
                    706299.9902781995,
                    2047499.9797413363,
                    -128.5718256400822
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:58:57+00:00",
            "end_time": "2019-01-21T18:20:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_690300e_2037500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.19841595612286,
              18.410068451693988,
              -105.63083420671862
            ],
            [
              -67.19832191821493,
              18.419102389698335,
              -105.63083420671862
            ],
            [
              -67.18885763766461,
              18.419012366534716,
              487.1491657932813
            ],
            [
              -67.1889521689006,
              18.409978475762614,
              487.1491657932813
            ],
            [
              -67.19841595612286,
              18.410068451693988,
              -105.63083420671862
            ]
          ]
        ]
      },
      "bbox": [
        -67.19841596,
        18.40997848,
        -105.6308342,
        -67.18885764,
        18.41910239,
        487.1491658
      ],
      "properties": {
        "datetime": "2019-01-26T12:42:23Z",
        "pc:count": 8437082,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 690856.2846,
            "count": 8437082,
            "maximum": 691300.0159,
            "minimum": 690299.9959,
            "name": "X",
            "position": 0,
            "stddev": 279.7943094,
            "variance": 78284.85559
          },
          {
            "average": 2036977.277,
            "count": 8437082,
            "maximum": 2037500.005,
            "minimum": 2036499.985,
            "name": "Y",
            "position": 1,
            "stddev": 300.3861858,
            "variance": 90231.86062
          },
          {
            "average": -0.05109267878,
            "count": 8437082,
            "maximum": 487.1491658,
            "minimum": -105.6308342,
            "name": "Z",
            "position": 2,
            "stddev": 10.74970588,
            "variance": 115.5561765
          },
          {
            "average": 351.3847356,
            "count": 8437082,
            "maximum": 3650,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 552.1777152,
            "variance": 304900.2292
          },
          {
            "average": 1.282028668,
            "count": 8437082,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5982409794,
            "variance": 0.3578922694
          },
          {
            "average": 1.564377352,
            "count": 8437082,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8439356067,
            "variance": 0.7122273083
          },
          {
            "average": 0.528520287,
            "count": 8437082,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4991859601,
            "variance": 0.2491866228
          },
          {
            "average": 0.003980997222,
            "count": 8437082,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06296943189,
            "variance": 0.003965149353
          },
          {
            "average": 26.15597004,
            "count": 8437082,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.57426442,
            "variance": 465.4488855
          },
          {
            "average": 1.299063989,
            "count": 8437082,
            "maximum": 20.62199974,
            "minimum": -21.58200073,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.06473997,
            "variance": 170.6874305
          },
          {
            "average": 1.120405254,
            "count": 8437082,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.024142265,
            "variance": 1.048867379
          },
          {
            "average": 101.6093645,
            "count": 8437082,
            "maximum": 104,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.12635444,
            "variance": 1.268674325
          },
          {
            "average": 232540868.4,
            "count": 8437082,
            "maximum": 232541743,
            "minimum": 232540201.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 443.8333254,
            "variance": 196988.0208
          },
          {
            "average": 1.120405254,
            "count": 8437082,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.024142265,
            "variance": 1.048867379
          },
          {
            "average": 0,
            "count": 8437082,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8437082,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2350835277,
            "count": 8437082,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4240510394,
            "variance": 0.179819284
          },
          {
            "average": 0,
            "count": 8437082,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          690299.9959,
          2036499.985,
          -105.6308342,
          691300.0159,
          2037500.005,
          487.1491658
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                690299.9959179398,
                2036499.9845455901,
                -105.63083420671862
              ],
              [
                690299.9959179398,
                2037500.0045455901,
                -105.63083420671862
              ],
              [
                691300.0159179398,
                2037500.0045455901,
                487.1491657932813
              ],
              [
                691300.0159179398,
                2036499.9845455901,
                487.1491657932813
              ],
              [
                690299.9959179398,
                2036499.9845455901,
                -105.63083420671862
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:42:23+00:00",
        "end_time": "2019-01-26T12:16:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_690300e_2037500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_690300e_2037500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_690300e_2037500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2037500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.19841596,
            18.40997848,
            -105.6308342,
            -67.18885764,
            18.41910239,
            487.1491658
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.19841595612286,
                  18.410068451693988,
                  -105.63083420671862
                ],
                [
                  -67.19832191821493,
                  18.419102389698335,
                  -105.63083420671862
                ],
                [
                  -67.18885763766461,
                  18.419012366534716,
                  487.1491657932813
                ],
                [
                  -67.1889521689006,
                  18.409978475762614,
                  487.1491657932813
                ],
                [
                  -67.19841595612286,
                  18.410068451693988,
                  -105.63083420671862
                ]
              ]
            ]
          },
          "id": "20190126_690300e_2037500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2037500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:42:23Z",
            "pc:count": 8437082,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 690856.2846,
                "count": 8437082,
                "maximum": 691300.0159,
                "minimum": 690299.9959,
                "name": "X",
                "position": 0,
                "stddev": 279.7943094,
                "variance": 78284.85559
              },
              {
                "average": 2036977.277,
                "count": 8437082,
                "maximum": 2037500.005,
                "minimum": 2036499.985,
                "name": "Y",
                "position": 1,
                "stddev": 300.3861858,
                "variance": 90231.86062
              },
              {
                "average": -0.05109267878,
                "count": 8437082,
                "maximum": 487.1491658,
                "minimum": -105.6308342,
                "name": "Z",
                "position": 2,
                "stddev": 10.74970588,
                "variance": 115.5561765
              },
              {
                "average": 351.3847356,
                "count": 8437082,
                "maximum": 3650,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 552.1777152,
                "variance": 304900.2292
              },
              {
                "average": 1.282028668,
                "count": 8437082,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5982409794,
                "variance": 0.3578922694
              },
              {
                "average": 1.564377352,
                "count": 8437082,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8439356067,
                "variance": 0.7122273083
              },
              {
                "average": 0.528520287,
                "count": 8437082,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4991859601,
                "variance": 0.2491866228
              },
              {
                "average": 0.003980997222,
                "count": 8437082,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06296943189,
                "variance": 0.003965149353
              },
              {
                "average": 26.15597004,
                "count": 8437082,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.57426442,
                "variance": 465.4488855
              },
              {
                "average": 1.299063989,
                "count": 8437082,
                "maximum": 20.62199974,
                "minimum": -21.58200073,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.06473997,
                "variance": 170.6874305
              },
              {
                "average": 1.120405254,
                "count": 8437082,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.024142265,
                "variance": 1.048867379
              },
              {
                "average": 101.6093645,
                "count": 8437082,
                "maximum": 104,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.12635444,
                "variance": 1.268674325
              },
              {
                "average": 232540868.4,
                "count": 8437082,
                "maximum": 232541743,
                "minimum": 232540201.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 443.8333254,
                "variance": 196988.0208
              },
              {
                "average": 1.120405254,
                "count": 8437082,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.024142265,
                "variance": 1.048867379
              },
              {
                "average": 0,
                "count": 8437082,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8437082,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2350835277,
                "count": 8437082,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4240510394,
                "variance": 0.179819284
              },
              {
                "average": 0,
                "count": 8437082,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              690299.9959,
              2036499.985,
              -105.6308342,
              691300.0159,
              2037500.005,
              487.1491658
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    690299.9959179398,
                    2036499.9845455901,
                    -105.63083420671862
                  ],
                  [
                    690299.9959179398,
                    2037500.0045455901,
                    -105.63083420671862
                  ],
                  [
                    691300.0159179398,
                    2037500.0045455901,
                    487.1491657932813
                  ],
                  [
                    691300.0159179398,
                    2036499.9845455901,
                    487.1491657932813
                  ],
                  [
                    690299.9959179398,
                    2036499.9845455901,
                    -105.63083420671862
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:42:23+00:00",
            "end_time": "2019-01-26T12:16:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_686300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.23654676426756,
              18.383321753784795,
              -150.15791878780905
            ],
            [
              -67.23645485932487,
              18.392355905298892,
              -150.15791878780905
            ],
            [
              -67.22699184232773,
              18.392267905220404,
              488.8420812121909
            ],
            [
              -67.22708423979563,
              18.38323379993612,
              488.8420812121909
            ],
            [
              -67.23654676426756,
              18.383321753784795,
              -150.15791878780905
            ]
          ]
        ]
      },
      "bbox": [
        -67.23654676,
        18.3832338,
        -150.1579188,
        -67.22699184,
        18.39235591,
        488.8420812
      ],
      "properties": {
        "datetime": "2019-02-01T16:50:14Z",
        "pc:count": 11604926,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 686820.5852,
            "count": 11604926,
            "maximum": 687300.0152,
            "minimum": 686299.9952,
            "name": "X",
            "position": 0,
            "stddev": 288.6442289,
            "variance": 83315.49086
          },
          {
            "average": 2033965.736,
            "count": 11604926,
            "maximum": 2034500.004,
            "minimum": 2033499.984,
            "name": "Y",
            "position": 1,
            "stddev": 286.8489192,
            "variance": 82282.30247
          },
          {
            "average": -0.2360269645,
            "count": 11604926,
            "maximum": 488.8420812,
            "minimum": -150.1579188,
            "name": "Z",
            "position": 2,
            "stddev": 13.13500614,
            "variance": 172.5283864
          },
          {
            "average": 760.9491728,
            "count": 11604926,
            "maximum": 3087,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 514.2681867,
            "variance": 264471.7679
          },
          {
            "average": 1.076820481,
            "count": 11604926,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3137048052,
            "variance": 0.09841070479
          },
          {
            "average": 1.153722652,
            "count": 11604926,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4610829615,
            "variance": 0.2125974974
          },
          {
            "average": 0.3904041267,
            "count": 11604926,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4878409219,
            "variance": 0.2379887651
          },
          {
            "average": 0.003114625634,
            "count": 11604926,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05572185396,
            "variance": 0.003104925009
          },
          {
            "average": 22.07114013,
            "count": 11604926,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.39639251,
            "variance": 457.8056126
          },
          {
            "average": -0.6210108698,
            "count": 11604926,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.41482619,
            "variance": 154.1279093
          },
          {
            "average": 1.197603156,
            "count": 11604926,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.173775112,
            "variance": 1.377748014
          },
          {
            "average": 123.7792413,
            "count": 11604926,
            "maximum": 126,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.147509067,
            "variance": 1.31677706
          },
          {
            "average": 233074317.9,
            "count": 11604926,
            "maximum": 233075014.8,
            "minimum": 233073681.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 383.6767662,
            "variance": 147207.8609
          },
          {
            "average": 1.197603156,
            "count": 11604926,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.173775112,
            "variance": 1.377748014
          },
          {
            "average": 0,
            "count": 11604926,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11604926,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2008361794,
            "count": 11604926,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4006257883,
            "variance": 0.1605010223
          },
          {
            "average": 0,
            "count": 11604926,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          686299.9952,
          2033499.984,
          -150.1579188,
          687300.0152,
          2034500.004,
          488.8420812
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                686299.9951837204,
                2033499.9844654987,
                -150.15791878780905
              ],
              [
                686299.9951837204,
                2034500.0044654987,
                -150.15791878780905
              ],
              [
                687300.0151837204,
                2034500.0044654987,
                488.8420812121909
              ],
              [
                687300.0151837204,
                2033499.9844654987,
                488.8420812121909
              ],
              [
                686299.9951837204,
                2033499.9844654987,
                -150.15791878780905
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:50:14+00:00",
        "end_time": "2019-02-01T16:28:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_686300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_686300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_686300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_686300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.23654676,
            18.3832338,
            -150.1579188,
            -67.22699184,
            18.39235591,
            488.8420812
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.23654676426756,
                  18.383321753784795,
                  -150.15791878780905
                ],
                [
                  -67.23645485932487,
                  18.392355905298892,
                  -150.15791878780905
                ],
                [
                  -67.22699184232773,
                  18.392267905220404,
                  488.8420812121909
                ],
                [
                  -67.22708423979563,
                  18.38323379993612,
                  488.8420812121909
                ],
                [
                  -67.23654676426756,
                  18.383321753784795,
                  -150.15791878780905
                ]
              ]
            ]
          },
          "id": "20190201_686300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_686300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:50:14Z",
            "pc:count": 11604926,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 686820.5852,
                "count": 11604926,
                "maximum": 687300.0152,
                "minimum": 686299.9952,
                "name": "X",
                "position": 0,
                "stddev": 288.6442289,
                "variance": 83315.49086
              },
              {
                "average": 2033965.736,
                "count": 11604926,
                "maximum": 2034500.004,
                "minimum": 2033499.984,
                "name": "Y",
                "position": 1,
                "stddev": 286.8489192,
                "variance": 82282.30247
              },
              {
                "average": -0.2360269645,
                "count": 11604926,
                "maximum": 488.8420812,
                "minimum": -150.1579188,
                "name": "Z",
                "position": 2,
                "stddev": 13.13500614,
                "variance": 172.5283864
              },
              {
                "average": 760.9491728,
                "count": 11604926,
                "maximum": 3087,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 514.2681867,
                "variance": 264471.7679
              },
              {
                "average": 1.076820481,
                "count": 11604926,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3137048052,
                "variance": 0.09841070479
              },
              {
                "average": 1.153722652,
                "count": 11604926,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4610829615,
                "variance": 0.2125974974
              },
              {
                "average": 0.3904041267,
                "count": 11604926,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4878409219,
                "variance": 0.2379887651
              },
              {
                "average": 0.003114625634,
                "count": 11604926,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05572185396,
                "variance": 0.003104925009
              },
              {
                "average": 22.07114013,
                "count": 11604926,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.39639251,
                "variance": 457.8056126
              },
              {
                "average": -0.6210108698,
                "count": 11604926,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.41482619,
                "variance": 154.1279093
              },
              {
                "average": 1.197603156,
                "count": 11604926,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.173775112,
                "variance": 1.377748014
              },
              {
                "average": 123.7792413,
                "count": 11604926,
                "maximum": 126,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.147509067,
                "variance": 1.31677706
              },
              {
                "average": 233074317.9,
                "count": 11604926,
                "maximum": 233075014.8,
                "minimum": 233073681.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 383.6767662,
                "variance": 147207.8609
              },
              {
                "average": 1.197603156,
                "count": 11604926,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.173775112,
                "variance": 1.377748014
              },
              {
                "average": 0,
                "count": 11604926,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11604926,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2008361794,
                "count": 11604926,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4006257883,
                "variance": 0.1605010223
              },
              {
                "average": 0,
                "count": 11604926,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              686299.9952,
              2033499.984,
              -150.1579188,
              687300.0152,
              2034500.004,
              488.8420812
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    686299.9951837204,
                    2033499.9844654987,
                    -150.15791878780905
                  ],
                  [
                    686299.9951837204,
                    2034500.0044654987,
                    -150.15791878780905
                  ],
                  [
                    687300.0151837204,
                    2034500.0044654987,
                    488.8420812121909
                  ],
                  [
                    687300.0151837204,
                    2033499.9844654987,
                    488.8420812121909
                  ],
                  [
                    686299.9951837204,
                    2033499.9844654987,
                    -150.15791878780905
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:50:14+00:00",
            "end_time": "2019-02-01T16:28:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_711300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.99864565985006,
              18.498406818227213,
              -120.6556461493308
            ],
            [
              -66.99854066109523,
              18.50743962081339,
              -120.6556461493308
            ],
            [
              -66.98907264184062,
              18.507339183415624,
              559.4243538506693
            ],
            [
              -66.98917813648407,
              18.49830643330227,
              559.4243538506693
            ],
            [
              -66.99864565985006,
              18.498406818227213,
              -120.6556461493308
            ]
          ]
        ]
      },
      "bbox": [
        -66.99864566,
        18.49830643,
        -120.6556461,
        -66.98907264,
        18.50743962,
        559.4243539
      ],
      "properties": {
        "datetime": "2019-05-25T11:45:30Z",
        "pc:count": 16356377,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 711763.3613,
            "count": 16356377,
            "maximum": 712300.0103,
            "minimum": 711299.9903,
            "name": "X",
            "position": 0,
            "stddev": 285.4928387,
            "variance": 81506.16092
          },
          {
            "average": 2046875.062,
            "count": 16356377,
            "maximum": 2047499.999,
            "minimum": 2046499.979,
            "name": "Y",
            "position": 1,
            "stddev": 246.4967474,
            "variance": 60760.64646
          },
          {
            "average": 16.14199443,
            "count": 16356377,
            "maximum": 559.4243539,
            "minimum": -120.6556461,
            "name": "Z",
            "position": 2,
            "stddev": 29.10550241,
            "variance": 847.1302703
          },
          {
            "average": 1006.58896,
            "count": 16356377,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 716.9224157,
            "variance": 513977.7501
          },
          {
            "average": 1.588374614,
            "count": 16356377,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.018182821,
            "variance": 1.036696256
          },
          {
            "average": 2.176756931,
            "count": 16356377,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.474927253,
            "variance": 2.175410403
          },
          {
            "average": 0.437102911,
            "count": 16356377,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.496028196,
            "variance": 0.2460439712
          },
          {
            "average": 0.002237903907,
            "count": 16356377,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04725352717,
            "variance": 0.00223289583
          },
          {
            "average": 18.49397156,
            "count": 16356377,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.00489201,
            "variance": 441.2054885
          },
          {
            "average": 1.609514497,
            "count": 16356377,
            "maximum": 25.42200089,
            "minimum": -25.3920002,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.51064731,
            "variance": 182.5375908
          },
          {
            "average": 0.9240849609,
            "count": 16356377,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.021816349,
            "variance": 1.044108651
          },
          {
            "average": 85.52217927,
            "count": 16356377,
            "maximum": 815,
            "minimum": 83,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.358382543,
            "variance": 1.845203132
          },
          {
            "average": 232133111.5,
            "count": 16356377,
            "maximum": 242819930.3,
            "minimum": 232131653.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12689.44096,
            "variance": 161021912
          },
          {
            "average": 0.9240812314,
            "count": 16356377,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.021817897,
            "variance": 1.044111814
          },
          {
            "average": 0,
            "count": 16356377,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16356377,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2189605926,
            "count": 16356377,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4135418503,
            "variance": 0.1710168619
          },
          {
            "average": 0,
            "count": 16356377,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          711299.9903,
          2046499.979,
          -120.6556461,
          712300.0103,
          2047499.999,
          559.4243539
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                711299.9902673324,
                2046499.9792358463,
                -120.6556461493308
              ],
              [
                711299.9902673324,
                2047499.9992358463,
                -120.6556461493308
              ],
              [
                712300.0102673324,
                2047499.9992358463,
                559.4243538506693
              ],
              [
                712300.0102673324,
                2046499.9792358463,
                559.4243538506693
              ],
              [
                711299.9902673324,
                2046499.9792358463,
                -120.6556461493308
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:45:30+00:00",
        "end_time": "2019-01-21T18:47:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_711300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_711300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_711300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_711300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.99864566,
            18.49830643,
            -120.6556461,
            -66.98907264,
            18.50743962,
            559.4243539
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.99864565985006,
                  18.498406818227213,
                  -120.6556461493308
                ],
                [
                  -66.99854066109523,
                  18.50743962081339,
                  -120.6556461493308
                ],
                [
                  -66.98907264184062,
                  18.507339183415624,
                  559.4243538506693
                ],
                [
                  -66.98917813648407,
                  18.49830643330227,
                  559.4243538506693
                ],
                [
                  -66.99864565985006,
                  18.498406818227213,
                  -120.6556461493308
                ]
              ]
            ]
          },
          "id": "20190121_711300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_711300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:45:30Z",
            "pc:count": 16356377,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 711763.3613,
                "count": 16356377,
                "maximum": 712300.0103,
                "minimum": 711299.9903,
                "name": "X",
                "position": 0,
                "stddev": 285.4928387,
                "variance": 81506.16092
              },
              {
                "average": 2046875.062,
                "count": 16356377,
                "maximum": 2047499.999,
                "minimum": 2046499.979,
                "name": "Y",
                "position": 1,
                "stddev": 246.4967474,
                "variance": 60760.64646
              },
              {
                "average": 16.14199443,
                "count": 16356377,
                "maximum": 559.4243539,
                "minimum": -120.6556461,
                "name": "Z",
                "position": 2,
                "stddev": 29.10550241,
                "variance": 847.1302703
              },
              {
                "average": 1006.58896,
                "count": 16356377,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 716.9224157,
                "variance": 513977.7501
              },
              {
                "average": 1.588374614,
                "count": 16356377,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.018182821,
                "variance": 1.036696256
              },
              {
                "average": 2.176756931,
                "count": 16356377,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.474927253,
                "variance": 2.175410403
              },
              {
                "average": 0.437102911,
                "count": 16356377,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.496028196,
                "variance": 0.2460439712
              },
              {
                "average": 0.002237903907,
                "count": 16356377,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04725352717,
                "variance": 0.00223289583
              },
              {
                "average": 18.49397156,
                "count": 16356377,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.00489201,
                "variance": 441.2054885
              },
              {
                "average": 1.609514497,
                "count": 16356377,
                "maximum": 25.42200089,
                "minimum": -25.3920002,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.51064731,
                "variance": 182.5375908
              },
              {
                "average": 0.9240849609,
                "count": 16356377,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.021816349,
                "variance": 1.044108651
              },
              {
                "average": 85.52217927,
                "count": 16356377,
                "maximum": 815,
                "minimum": 83,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.358382543,
                "variance": 1.845203132
              },
              {
                "average": 232133111.5,
                "count": 16356377,
                "maximum": 242819930.3,
                "minimum": 232131653.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12689.44096,
                "variance": 161021912
              },
              {
                "average": 0.9240812314,
                "count": 16356377,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.021817897,
                "variance": 1.044111814
              },
              {
                "average": 0,
                "count": 16356377,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16356377,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2189605926,
                "count": 16356377,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4135418503,
                "variance": 0.1710168619
              },
              {
                "average": 0,
                "count": 16356377,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              711299.9903,
              2046499.979,
              -120.6556461,
              712300.0103,
              2047499.999,
              559.4243539
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    711299.9902673324,
                    2046499.9792358463,
                    -120.6556461493308
                  ],
                  [
                    711299.9902673324,
                    2047499.9992358463,
                    -120.6556461493308
                  ],
                  [
                    712300.0102673324,
                    2047499.9992358463,
                    559.4243538506693
                  ],
                  [
                    712300.0102673324,
                    2046499.9792358463,
                    559.4243538506693
                  ],
                  [
                    711299.9902673324,
                    2046499.9792358463,
                    -120.6556461493308
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:45:30+00:00",
            "end_time": "2019-01-21T18:47:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_694300e_2037500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16056194610073,
              18.409705686454707,
              -131.92513133178198
            ],
            [
              -67.16046593500234,
              18.418739434051602,
              -131.92513133178198
            ],
            [
              -67.15100187471697,
              18.41864752670922,
              586.474868668218
            ],
            [
              -67.15109837909036,
              18.409613827332947,
              586.474868668218
            ],
            [
              -67.16056194610073,
              18.409705686454707,
              -131.92513133178198
            ]
          ]
        ]
      },
      "bbox": [
        -67.16056195,
        18.40961383,
        -131.9251313,
        -67.15100187,
        18.41873943,
        586.4748687
      ],
      "properties": {
        "datetime": "2019-01-27T14:59:50Z",
        "pc:count": 19331568,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694735.6382,
            "count": 19331568,
            "maximum": 695300.0104,
            "minimum": 694299.9904,
            "name": "X",
            "position": 0,
            "stddev": 291.1657371,
            "variance": 84777.48645
          },
          {
            "average": 2037064.755,
            "count": 19331568,
            "maximum": 2037500,
            "minimum": 2036499.98,
            "name": "Y",
            "position": 1,
            "stddev": 257.194186,
            "variance": 66148.84933
          },
          {
            "average": 11.4197047,
            "count": 19331568,
            "maximum": 586.4748687,
            "minimum": -131.9251313,
            "name": "Z",
            "position": 2,
            "stddev": 20.59293617,
            "variance": 424.0690202
          },
          {
            "average": 1253.076225,
            "count": 19331568,
            "maximum": 4286,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 575.9426081,
            "variance": 331709.8879
          },
          {
            "average": 1.898214982,
            "count": 19331568,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.347974894,
            "variance": 1.817036316
          },
          {
            "average": 2.797387413,
            "count": 19331568,
            "maximum": 9,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.936173685,
            "variance": 3.748768539
          },
          {
            "average": 0.370836137,
            "count": 19331568,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.483028683,
            "variance": 0.2333167086
          },
          {
            "average": 0.001301601608,
            "count": 19331568,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03605423011,
            "variance": 0.001299907509
          },
          {
            "average": 3.721531228,
            "count": 19331568,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.904213252,
            "variance": 98.09344014
          },
          {
            "average": 1.427488176,
            "count": 19331568,
            "maximum": 21.04199982,
            "minimum": -22.07999992,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.73545188,
            "variance": 188.6626384
          },
          {
            "average": 1.086853844,
            "count": 19331568,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.156555921,
            "variance": 1.337621599
          },
          {
            "average": 115.7483194,
            "count": 19331568,
            "maximum": 117,
            "minimum": 114,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.02206853,
            "variance": 1.04462408
          },
          {
            "average": 232636097.4,
            "count": 19331568,
            "maximum": 232636390.8,
            "minimum": 232635694.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 243.7273846,
            "variance": 59403.038
          },
          {
            "average": 1.086836153,
            "count": 19331568,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.156556713,
            "variance": 1.337623431
          },
          {
            "average": 0,
            "count": 19331568,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 19331568,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2519985446,
            "count": 19331568,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4341604402,
            "variance": 0.1884952878
          },
          {
            "average": 0,
            "count": 19331568,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9904,
          2036499.98,
          -131.9251313,
          695300.0104,
          2037500,
          586.4748687
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9903781053,
                2036499.9796255827,
                -131.92513133178198
              ],
              [
                694299.9903781053,
                2037499.9996255827,
                -131.92513133178198
              ],
              [
                695300.0103781053,
                2037499.9996255827,
                586.474868668218
              ],
              [
                695300.0103781053,
                2036499.9796255827,
                586.474868668218
              ],
              [
                694299.9903781053,
                2036499.9796255827,
                -131.92513133178198
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:59:50+00:00",
        "end_time": "2019-01-27T14:48:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_694300e_2037500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_694300e_2037500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_694300e_2037500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2037500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16056195,
            18.40961383,
            -131.9251313,
            -67.15100187,
            18.41873943,
            586.4748687
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16056194610073,
                  18.409705686454707,
                  -131.92513133178198
                ],
                [
                  -67.16046593500234,
                  18.418739434051602,
                  -131.92513133178198
                ],
                [
                  -67.15100187471697,
                  18.41864752670922,
                  586.474868668218
                ],
                [
                  -67.15109837909036,
                  18.409613827332947,
                  586.474868668218
                ],
                [
                  -67.16056194610073,
                  18.409705686454707,
                  -131.92513133178198
                ]
              ]
            ]
          },
          "id": "20190127_694300e_2037500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2037500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:59:50Z",
            "pc:count": 19331568,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694735.6382,
                "count": 19331568,
                "maximum": 695300.0104,
                "minimum": 694299.9904,
                "name": "X",
                "position": 0,
                "stddev": 291.1657371,
                "variance": 84777.48645
              },
              {
                "average": 2037064.755,
                "count": 19331568,
                "maximum": 2037500,
                "minimum": 2036499.98,
                "name": "Y",
                "position": 1,
                "stddev": 257.194186,
                "variance": 66148.84933
              },
              {
                "average": 11.4197047,
                "count": 19331568,
                "maximum": 586.4748687,
                "minimum": -131.9251313,
                "name": "Z",
                "position": 2,
                "stddev": 20.59293617,
                "variance": 424.0690202
              },
              {
                "average": 1253.076225,
                "count": 19331568,
                "maximum": 4286,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 575.9426081,
                "variance": 331709.8879
              },
              {
                "average": 1.898214982,
                "count": 19331568,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.347974894,
                "variance": 1.817036316
              },
              {
                "average": 2.797387413,
                "count": 19331568,
                "maximum": 9,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.936173685,
                "variance": 3.748768539
              },
              {
                "average": 0.370836137,
                "count": 19331568,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.483028683,
                "variance": 0.2333167086
              },
              {
                "average": 0.001301601608,
                "count": 19331568,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03605423011,
                "variance": 0.001299907509
              },
              {
                "average": 3.721531228,
                "count": 19331568,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.904213252,
                "variance": 98.09344014
              },
              {
                "average": 1.427488176,
                "count": 19331568,
                "maximum": 21.04199982,
                "minimum": -22.07999992,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.73545188,
                "variance": 188.6626384
              },
              {
                "average": 1.086853844,
                "count": 19331568,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.156555921,
                "variance": 1.337621599
              },
              {
                "average": 115.7483194,
                "count": 19331568,
                "maximum": 117,
                "minimum": 114,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.02206853,
                "variance": 1.04462408
              },
              {
                "average": 232636097.4,
                "count": 19331568,
                "maximum": 232636390.8,
                "minimum": 232635694.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 243.7273846,
                "variance": 59403.038
              },
              {
                "average": 1.086836153,
                "count": 19331568,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.156556713,
                "variance": 1.337623431
              },
              {
                "average": 0,
                "count": 19331568,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 19331568,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2519985446,
                "count": 19331568,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4341604402,
                "variance": 0.1884952878
              },
              {
                "average": 0,
                "count": 19331568,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9904,
              2036499.98,
              -131.9251313,
              695300.0104,
              2037500,
              586.4748687
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9903781053,
                    2036499.9796255827,
                    -131.92513133178198
                  ],
                  [
                    694299.9903781053,
                    2037499.9996255827,
                    -131.92513133178198
                  ],
                  [
                    695300.0103781053,
                    2037499.9996255827,
                    586.474868668218
                  ],
                  [
                    695300.0103781053,
                    2036499.9796255827,
                    586.474868668218
                  ],
                  [
                    694299.9903781053,
                    2036499.9796255827,
                    -131.92513133178198
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:59:50+00:00",
            "end_time": "2019-01-27T14:48:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_722300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.89474370733242,
              18.478007945088077,
              -28.346781485967938
            ],
            [
              -66.89472899722975,
              18.479212640568402,
              -28.346781485967938
            ],
            [
              -66.8904580837731,
              18.479165108737618,
              305.8732185140321
            ],
            [
              -66.89047282366393,
              18.477960416573715,
              305.8732185140321
            ],
            [
              -66.89474370733242,
              18.478007945088077,
              -28.346781485967938
            ]
          ]
        ]
      },
      "bbox": [
        -66.89474371,
        18.47796042,
        -28.34678149,
        -66.89045808,
        18.47921264,
        305.8732185
      ],
      "properties": {
        "datetime": "2019-01-21T20:25:42Z",
        "pc:count": 575381,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 722443.7197,
            "count": 575381,
            "maximum": 722751.1993,
            "minimum": 722299.9993,
            "name": "X",
            "position": 0,
            "stddev": 99.78795592,
            "variance": 9957.636146
          },
          {
            "average": 2044430.025,
            "count": 575381,
            "maximum": 2044499.995,
            "minimum": 2044366.615,
            "name": "Y",
            "position": 1,
            "stddev": 33.03175813,
            "variance": 1091.097045
          },
          {
            "average": 37.64233557,
            "count": 575381,
            "maximum": 305.8732185,
            "minimum": -28.34678149,
            "name": "Z",
            "position": 2,
            "stddev": 2.981603353,
            "variance": 8.889958554
          },
          {
            "average": 1637.821113,
            "count": 575381,
            "maximum": 2485,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 454.2743292,
            "variance": 206365.1662
          },
          {
            "average": 1.561916365,
            "count": 575381,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.105363331,
            "variance": 1.221828094
          },
          {
            "average": 2.12287858,
            "count": 575381,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.669488391,
            "variance": 2.787191489
          },
          {
            "average": 0.2392275727,
            "count": 575381,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4266123035,
            "variance": 0.1819980575
          },
          {
            "average": 0.002502689522,
            "count": 575381,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04996429131,
            "variance": 0.002496430406
          },
          {
            "average": 1.279248011,
            "count": 575381,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5015809845,
            "variance": 0.251583484
          },
          {
            "average": 15.98675612,
            "count": 575381,
            "maximum": 22.4640007,
            "minimum": 8.142000198,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.507360934,
            "variance": 12.30158072
          },
          {
            "average": 0.9275036889,
            "count": 575381,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.20158035,
            "variance": 1.443795338
          },
          {
            "average": 95,
            "count": 575381,
            "maximum": 95,
            "minimum": 95,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232137539.9,
            "count": 575381,
            "maximum": 232137542.7,
            "minimum": 232137535.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.638244221,
            "variance": 2.683844126
          },
          {
            "average": 0.9275036889,
            "count": 575381,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.20158035,
            "variance": 1.443795338
          },
          {
            "average": 0,
            "count": 575381,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 575381,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.3941249363,
            "count": 575381,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4886623435,
            "variance": 0.2387908859
          },
          {
            "average": 0,
            "count": 575381,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          722299.9993,
          2044366.615,
          -28.34678149,
          722751.1993,
          2044499.995,
          305.8732185
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                722299.9992630472,
                2044366.614629955,
                -28.346781485967938
              ],
              [
                722299.9992630472,
                2044499.994629955,
                -28.346781485967938
              ],
              [
                722751.1992630472,
                2044499.994629955,
                305.8732185140321
              ],
              [
                722751.1992630472,
                2044366.614629955,
                305.8732185140321
              ],
              [
                722299.9992630472,
                2044366.614629955,
                -28.346781485967938
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:25:42+00:00",
        "end_time": "2019-01-21T20:25:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_722300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_722300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_722300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.89474371,
            18.47796042,
            -28.34678149,
            -66.89045808,
            18.47921264,
            305.8732185
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.89474370733242,
                  18.478007945088077,
                  -28.346781485967938
                ],
                [
                  -66.89472899722975,
                  18.479212640568402,
                  -28.346781485967938
                ],
                [
                  -66.8904580837731,
                  18.479165108737618,
                  305.8732185140321
                ],
                [
                  -66.89047282366393,
                  18.477960416573715,
                  305.8732185140321
                ],
                [
                  -66.89474370733242,
                  18.478007945088077,
                  -28.346781485967938
                ]
              ]
            ]
          },
          "id": "20190121_722300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:25:42Z",
            "pc:count": 575381,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 722443.7197,
                "count": 575381,
                "maximum": 722751.1993,
                "minimum": 722299.9993,
                "name": "X",
                "position": 0,
                "stddev": 99.78795592,
                "variance": 9957.636146
              },
              {
                "average": 2044430.025,
                "count": 575381,
                "maximum": 2044499.995,
                "minimum": 2044366.615,
                "name": "Y",
                "position": 1,
                "stddev": 33.03175813,
                "variance": 1091.097045
              },
              {
                "average": 37.64233557,
                "count": 575381,
                "maximum": 305.8732185,
                "minimum": -28.34678149,
                "name": "Z",
                "position": 2,
                "stddev": 2.981603353,
                "variance": 8.889958554
              },
              {
                "average": 1637.821113,
                "count": 575381,
                "maximum": 2485,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 454.2743292,
                "variance": 206365.1662
              },
              {
                "average": 1.561916365,
                "count": 575381,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.105363331,
                "variance": 1.221828094
              },
              {
                "average": 2.12287858,
                "count": 575381,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.669488391,
                "variance": 2.787191489
              },
              {
                "average": 0.2392275727,
                "count": 575381,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4266123035,
                "variance": 0.1819980575
              },
              {
                "average": 0.002502689522,
                "count": 575381,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04996429131,
                "variance": 0.002496430406
              },
              {
                "average": 1.279248011,
                "count": 575381,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5015809845,
                "variance": 0.251583484
              },
              {
                "average": 15.98675612,
                "count": 575381,
                "maximum": 22.4640007,
                "minimum": 8.142000198,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.507360934,
                "variance": 12.30158072
              },
              {
                "average": 0.9275036889,
                "count": 575381,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.20158035,
                "variance": 1.443795338
              },
              {
                "average": 95,
                "count": 575381,
                "maximum": 95,
                "minimum": 95,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232137539.9,
                "count": 575381,
                "maximum": 232137542.7,
                "minimum": 232137535.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.638244221,
                "variance": 2.683844126
              },
              {
                "average": 0.9275036889,
                "count": 575381,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.20158035,
                "variance": 1.443795338
              },
              {
                "average": 0,
                "count": 575381,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 575381,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.3941249363,
                "count": 575381,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4886623435,
                "variance": 0.2387908859
              },
              {
                "average": 0,
                "count": 575381,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              722299.9993,
              2044366.615,
              -28.34678149,
              722751.1993,
              2044499.995,
              305.8732185
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    722299.9992630472,
                    2044366.614629955,
                    -28.346781485967938
                  ],
                  [
                    722299.9992630472,
                    2044499.994629955,
                    -28.346781485967938
                  ],
                  [
                    722751.1992630472,
                    2044499.994629955,
                    305.8732185140321
                  ],
                  [
                    722751.1992630472,
                    2044366.614629955,
                    305.8732185140321
                  ],
                  [
                    722299.9992630472,
                    2044366.614629955,
                    -28.346781485967938
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:25:42+00:00",
            "end_time": "2019-01-21T20:25:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_719300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.922908677334,
              18.497590514748993,
              -108.42198438754485
            ],
            [
              -66.9228583550354,
              18.501762486880708,
              -108.42198438754485
            ],
            [
              -66.9133910967333,
              18.50165829297774,
              540.1180156124551
            ],
            [
              -66.9134416479876,
              18.497486345995384,
              540.1180156124551
            ],
            [
              -66.922908677334,
              18.497590514748993,
              -108.42198438754485
            ]
          ]
        ]
      },
      "bbox": [
        -66.92290868,
        18.49748635,
        -108.4219844,
        -66.9133911,
        18.50176249,
        540.1180156
      ],
      "properties": {
        "datetime": "2019-01-21T19:28:13Z",
        "pc:count": 2164267,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 719787.1916,
            "count": 2164267,
            "maximum": 720300.0132,
            "minimum": 719299.9932,
            "name": "X",
            "position": 0,
            "stddev": 292.1648223,
            "variance": 85360.28337
          },
          {
            "average": 2046678.192,
            "count": 2164267,
            "maximum": 2046961.88,
            "minimum": 2046499.98,
            "name": "Y",
            "position": 1,
            "stddev": 113.4740043,
            "variance": 12876.34965
          },
          {
            "average": 0.1303373962,
            "count": 2164267,
            "maximum": 540.1180156,
            "minimum": -108.4219844,
            "name": "Z",
            "position": 2,
            "stddev": 9.765312787,
            "variance": 95.36133383
          },
          {
            "average": 783.277372,
            "count": 2164267,
            "maximum": 3141,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 520.157055,
            "variance": 270563.3619
          },
          {
            "average": 1.019245315,
            "count": 2164267,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.140116752,
            "variance": 0.01963270418
          },
          {
            "average": 1.038538221,
            "count": 2164267,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1982970277,
            "variance": 0.03932171119
          },
          {
            "average": 0.3956087673,
            "count": 2164267,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4889811663,
            "variance": 0.239102581
          },
          {
            "average": 0.00524565592,
            "count": 2164267,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07223670414,
            "variance": 0.005218141425
          },
          {
            "average": 19.90005716,
            "count": 2164267,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.65986953,
            "variance": 469.1499479
          },
          {
            "average": 2.275666713,
            "count": 2164267,
            "maximum": 24.62400055,
            "minimum": -25.32600021,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.39944716,
            "variance": 153.7462899
          },
          {
            "average": 1.007985152,
            "count": 2164267,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.103043252,
            "variance": 1.216704416
          },
          {
            "average": 86.27231899,
            "count": 2164267,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4451532865,
            "variance": 0.1981614485
          },
          {
            "average": 232133595.1,
            "count": 2164267,
            "maximum": 232134093.9,
            "minimum": 232133401.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 299.2726515,
            "variance": 89564.11993
          },
          {
            "average": 1.007985152,
            "count": 2164267,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.103043252,
            "variance": 1.216704416
          },
          {
            "average": 0,
            "count": 2164267,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2164267,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1432397204,
            "count": 2164267,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3503172271,
            "variance": 0.1227221596
          },
          {
            "average": 0,
            "count": 2164267,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          719299.9932,
          2046499.98,
          -108.4219844,
          720300.0132,
          2046961.88,
          540.1180156
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                719299.9931572061,
                2046499.9796583073,
                -108.42198438754485
              ],
              [
                719299.9931572061,
                2046961.8796583072,
                -108.42198438754485
              ],
              [
                720300.0131572061,
                2046961.8796583072,
                540.1180156124551
              ],
              [
                720300.0131572061,
                2046499.9796583073,
                540.1180156124551
              ],
              [
                719299.9931572061,
                2046499.9796583073,
                -108.42198438754485
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:28:13+00:00",
        "end_time": "2019-01-21T19:16:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_719300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_719300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_719300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.92290868,
            18.49748635,
            -108.4219844,
            -66.9133911,
            18.50176249,
            540.1180156
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.922908677334,
                  18.497590514748993,
                  -108.42198438754485
                ],
                [
                  -66.9228583550354,
                  18.501762486880708,
                  -108.42198438754485
                ],
                [
                  -66.9133910967333,
                  18.50165829297774,
                  540.1180156124551
                ],
                [
                  -66.9134416479876,
                  18.497486345995384,
                  540.1180156124551
                ],
                [
                  -66.922908677334,
                  18.497590514748993,
                  -108.42198438754485
                ]
              ]
            ]
          },
          "id": "20190121_719300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:28:13Z",
            "pc:count": 2164267,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 719787.1916,
                "count": 2164267,
                "maximum": 720300.0132,
                "minimum": 719299.9932,
                "name": "X",
                "position": 0,
                "stddev": 292.1648223,
                "variance": 85360.28337
              },
              {
                "average": 2046678.192,
                "count": 2164267,
                "maximum": 2046961.88,
                "minimum": 2046499.98,
                "name": "Y",
                "position": 1,
                "stddev": 113.4740043,
                "variance": 12876.34965
              },
              {
                "average": 0.1303373962,
                "count": 2164267,
                "maximum": 540.1180156,
                "minimum": -108.4219844,
                "name": "Z",
                "position": 2,
                "stddev": 9.765312787,
                "variance": 95.36133383
              },
              {
                "average": 783.277372,
                "count": 2164267,
                "maximum": 3141,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 520.157055,
                "variance": 270563.3619
              },
              {
                "average": 1.019245315,
                "count": 2164267,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.140116752,
                "variance": 0.01963270418
              },
              {
                "average": 1.038538221,
                "count": 2164267,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1982970277,
                "variance": 0.03932171119
              },
              {
                "average": 0.3956087673,
                "count": 2164267,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4889811663,
                "variance": 0.239102581
              },
              {
                "average": 0.00524565592,
                "count": 2164267,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07223670414,
                "variance": 0.005218141425
              },
              {
                "average": 19.90005716,
                "count": 2164267,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.65986953,
                "variance": 469.1499479
              },
              {
                "average": 2.275666713,
                "count": 2164267,
                "maximum": 24.62400055,
                "minimum": -25.32600021,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.39944716,
                "variance": 153.7462899
              },
              {
                "average": 1.007985152,
                "count": 2164267,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.103043252,
                "variance": 1.216704416
              },
              {
                "average": 86.27231899,
                "count": 2164267,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4451532865,
                "variance": 0.1981614485
              },
              {
                "average": 232133595.1,
                "count": 2164267,
                "maximum": 232134093.9,
                "minimum": 232133401.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 299.2726515,
                "variance": 89564.11993
              },
              {
                "average": 1.007985152,
                "count": 2164267,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.103043252,
                "variance": 1.216704416
              },
              {
                "average": 0,
                "count": 2164267,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2164267,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1432397204,
                "count": 2164267,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3503172271,
                "variance": 0.1227221596
              },
              {
                "average": 0,
                "count": 2164267,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              719299.9932,
              2046499.98,
              -108.4219844,
              720300.0132,
              2046961.88,
              540.1180156
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    719299.9931572061,
                    2046499.9796583073,
                    -108.42198438754485
                  ],
                  [
                    719299.9931572061,
                    2046961.8796583072,
                    -108.42198438754485
                  ],
                  [
                    720300.0131572061,
                    2046961.8796583072,
                    540.1180156124551
                  ],
                  [
                    720300.0131572061,
                    2046499.9796583073,
                    540.1180156124551
                  ],
                  [
                    719299.9931572061,
                    2046499.9796583073,
                    -108.42198438754485
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:28:13+00:00",
            "end_time": "2019-01-21T19:16:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_719300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.92314136034848,
              18.47827673181651,
              -130.18590654341983
            ],
            [
              -66.9231263086782,
              18.479526248985866,
              -130.18590654341983
            ],
            [
              -66.91366045930276,
              18.47942219119368,
              229.7140934565802
            ],
            [
              -66.91367557945358,
              18.47817268155471,
              229.7140934565802
            ],
            [
              -66.92314136034848,
              18.47827673181651,
              -130.18590654341983
            ]
          ]
        ]
      },
      "bbox": [
        -66.92314136,
        18.47817268,
        -130.1859065,
        -66.91366046,
        18.47952625,
        229.7140935
      ],
      "properties": {
        "datetime": "2019-01-21T20:25:10Z",
        "pc:count": 1646954,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 719873.289,
            "count": 1646954,
            "maximum": 720300.0042,
            "minimum": 719300.0042,
            "name": "X",
            "position": 0,
            "stddev": 267.7932167,
            "variance": 71713.20691
          },
          {
            "average": 2044461.729,
            "count": 1646954,
            "maximum": 2044499.997,
            "minimum": 2044361.657,
            "name": "Y",
            "position": 1,
            "stddev": 20.29639053,
            "variance": 411.9434687
          },
          {
            "average": 87.84633014,
            "count": 1646954,
            "maximum": 229.7140935,
            "minimum": -130.1859065,
            "name": "Z",
            "position": 2,
            "stddev": 6.706531786,
            "variance": 44.9775686
          },
          {
            "average": 1556.974221,
            "count": 1646954,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 535.0875748,
            "variance": 286318.7127
          },
          {
            "average": 1.820806774,
            "count": 1646954,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.279640185,
            "variance": 1.637479004
          },
          {
            "average": 2.635975261,
            "count": 1646954,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.846928207,
            "variance": 3.411143803
          },
          {
            "average": 0.4019298657,
            "count": 1646954,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4902880732,
            "variance": 0.2403823947
          },
          {
            "average": 0.002755996828,
            "count": 1646954,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05242521319,
            "variance": 0.002748402978
          },
          {
            "average": 1.170653218,
            "count": 1646954,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.6111949463,
            "variance": 0.3735592624
          },
          {
            "average": 17.37838711,
            "count": 1646954,
            "maximum": 22.09199905,
            "minimum": 10.30799961,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.263197631,
            "variance": 5.122063517
          },
          {
            "average": 0.9936913842,
            "count": 1646954,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.090776135,
            "variance": 1.189792577
          },
          {
            "average": 95,
            "count": 1646954,
            "maximum": 95,
            "minimum": 95,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232137501.8,
            "count": 1646954,
            "maximum": 232137510.6,
            "minimum": 232137493.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.105529527,
            "variance": 16.85537269
          },
          {
            "average": 0.9936913842,
            "count": 1646954,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.090776135,
            "variance": 1.189792577
          },
          {
            "average": 0,
            "count": 1646954,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1646954,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.466121701,
            "count": 1646954,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.498851092,
            "variance": 0.248852412
          },
          {
            "average": 0,
            "count": 1646954,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          719300.0042,
          2044361.657,
          -130.1859065,
          720300.0042,
          2044499.997,
          229.7140935
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                719300.0042446062,
                2044361.656660142,
                -130.18590654341983
              ],
              [
                719300.0042446062,
                2044499.9966601417,
                -130.18590654341983
              ],
              [
                720300.0042446062,
                2044499.9966601417,
                229.7140934565802
              ],
              [
                720300.0042446062,
                2044361.656660142,
                229.7140934565802
              ],
              [
                719300.0042446062,
                2044361.656660142,
                -130.18590654341983
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:25:10+00:00",
        "end_time": "2019-01-21T20:24:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_719300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_719300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_719300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.92314136,
            18.47817268,
            -130.1859065,
            -66.91366046,
            18.47952625,
            229.7140935
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.92314136034848,
                  18.47827673181651,
                  -130.18590654341983
                ],
                [
                  -66.9231263086782,
                  18.479526248985866,
                  -130.18590654341983
                ],
                [
                  -66.91366045930276,
                  18.47942219119368,
                  229.7140934565802
                ],
                [
                  -66.91367557945358,
                  18.47817268155471,
                  229.7140934565802
                ],
                [
                  -66.92314136034848,
                  18.47827673181651,
                  -130.18590654341983
                ]
              ]
            ]
          },
          "id": "20190121_719300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:25:10Z",
            "pc:count": 1646954,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 719873.289,
                "count": 1646954,
                "maximum": 720300.0042,
                "minimum": 719300.0042,
                "name": "X",
                "position": 0,
                "stddev": 267.7932167,
                "variance": 71713.20691
              },
              {
                "average": 2044461.729,
                "count": 1646954,
                "maximum": 2044499.997,
                "minimum": 2044361.657,
                "name": "Y",
                "position": 1,
                "stddev": 20.29639053,
                "variance": 411.9434687
              },
              {
                "average": 87.84633014,
                "count": 1646954,
                "maximum": 229.7140935,
                "minimum": -130.1859065,
                "name": "Z",
                "position": 2,
                "stddev": 6.706531786,
                "variance": 44.9775686
              },
              {
                "average": 1556.974221,
                "count": 1646954,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 535.0875748,
                "variance": 286318.7127
              },
              {
                "average": 1.820806774,
                "count": 1646954,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.279640185,
                "variance": 1.637479004
              },
              {
                "average": 2.635975261,
                "count": 1646954,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.846928207,
                "variance": 3.411143803
              },
              {
                "average": 0.4019298657,
                "count": 1646954,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4902880732,
                "variance": 0.2403823947
              },
              {
                "average": 0.002755996828,
                "count": 1646954,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05242521319,
                "variance": 0.002748402978
              },
              {
                "average": 1.170653218,
                "count": 1646954,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.6111949463,
                "variance": 0.3735592624
              },
              {
                "average": 17.37838711,
                "count": 1646954,
                "maximum": 22.09199905,
                "minimum": 10.30799961,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.263197631,
                "variance": 5.122063517
              },
              {
                "average": 0.9936913842,
                "count": 1646954,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.090776135,
                "variance": 1.189792577
              },
              {
                "average": 95,
                "count": 1646954,
                "maximum": 95,
                "minimum": 95,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232137501.8,
                "count": 1646954,
                "maximum": 232137510.6,
                "minimum": 232137493.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.105529527,
                "variance": 16.85537269
              },
              {
                "average": 0.9936913842,
                "count": 1646954,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.090776135,
                "variance": 1.189792577
              },
              {
                "average": 0,
                "count": 1646954,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1646954,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.466121701,
                "count": 1646954,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.498851092,
                "variance": 0.248852412
              },
              {
                "average": 0,
                "count": 1646954,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              719300.0042,
              2044361.657,
              -130.1859065,
              720300.0042,
              2044499.997,
              229.7140935
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    719300.0042446062,
                    2044361.656660142,
                    -130.18590654341983
                  ],
                  [
                    719300.0042446062,
                    2044499.9966601417,
                    -130.18590654341983
                  ],
                  [
                    720300.0042446062,
                    2044499.9966601417,
                    229.7140934565802
                  ],
                  [
                    720300.0042446062,
                    2044361.656660142,
                    229.7140934565802
                  ],
                  [
                    719300.0042446062,
                    2044361.656660142,
                    -130.18590654341983
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:25:10+00:00",
            "end_time": "2019-01-21T20:24:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_723300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.88504167324547,
              18.49717101329583,
              -115.14070764729723
            ],
            [
              -66.88498879542995,
              18.50147637675628,
              -115.14070764729723
            ],
            [
              -66.87552178368878,
              18.501370289988035,
              539.7392923527027
            ],
            [
              -66.87557489775791,
              18.497064952952876,
              539.7392923527027
            ],
            [
              -66.88504167324547,
              18.49717101329583,
              -115.14070764729723
            ]
          ]
        ]
      },
      "bbox": [
        -66.88504167,
        18.49706495,
        -115.1407076,
        -66.87552178,
        18.50147638,
        539.7392924
      ],
      "properties": {
        "datetime": "2019-01-21T19:27:14Z",
        "pc:count": 2115895,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 723812.7575,
            "count": 2115895,
            "maximum": 724300.0156,
            "minimum": 723299.9956,
            "name": "X",
            "position": 0,
            "stddev": 289.7182406,
            "variance": 83936.65895
          },
          {
            "average": 2046665.329,
            "count": 2115895,
            "maximum": 2046976.66,
            "minimum": 2046499.98,
            "name": "Y",
            "position": 1,
            "stddev": 108.9916897,
            "variance": 11879.18842
          },
          {
            "average": 0.1672513346,
            "count": 2115895,
            "maximum": 539.7392924,
            "minimum": -115.1407076,
            "name": "Z",
            "position": 2,
            "stddev": 11.18545135,
            "variance": 125.114322
          },
          {
            "average": 788.0265193,
            "count": 2115895,
            "maximum": 2872,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 515.3599297,
            "variance": 265595.8571
          },
          {
            "average": 1.017930001,
            "count": 2115895,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1353838526,
            "variance": 0.01832878755
          },
          {
            "average": 1.035894031,
            "count": 2115895,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.191718692,
            "variance": 0.03675605685
          },
          {
            "average": 0.4085750947,
            "count": 2115895,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4915705452,
            "variance": 0.2416416009
          },
          {
            "average": 0.005375030424,
            "count": 2115895,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07311731668,
            "variance": 0.005346141999
          },
          {
            "average": 21.34440934,
            "count": 2115895,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.80948676,
            "variance": 475.6537129
          },
          {
            "average": 2.661651929,
            "count": 2115895,
            "maximum": 23.0340004,
            "minimum": -26.95800018,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.08035312,
            "variance": 145.9349316
          },
          {
            "average": 0.9847965046,
            "count": 2115895,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.080470139,
            "variance": 1.167415721
          },
          {
            "average": 86.24891169,
            "count": 2115895,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4323826417,
            "variance": 0.1869547489
          },
          {
            "average": 232133610.6,
            "count": 2115895,
            "maximum": 232134034.1,
            "minimum": 232133462.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 238.3759905,
            "variance": 56823.11285
          },
          {
            "average": 0.9847965046,
            "count": 2115895,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.080470139,
            "variance": 1.167415721
          },
          {
            "average": 0,
            "count": 2115895,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2115895,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1127158956,
            "count": 2115895,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3162452684,
            "variance": 0.1000110698
          },
          {
            "average": 0,
            "count": 2115895,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          723299.9956,
          2046499.98,
          -115.1407076,
          724300.0156,
          2046976.66,
          539.7392924
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                723299.9956255008,
                2046499.9799754634,
                -115.14070764729723
              ],
              [
                723299.9956255008,
                2046976.6599754635,
                -115.14070764729723
              ],
              [
                724300.0156255008,
                2046976.6599754635,
                539.7392923527027
              ],
              [
                724300.0156255008,
                2046499.9799754634,
                539.7392923527027
              ],
              [
                723299.9956255008,
                2046499.9799754634,
                -115.14070764729723
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:27:14+00:00",
        "end_time": "2019-01-21T19:17:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_723300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_723300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_723300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_723300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.88504167,
            18.49706495,
            -115.1407076,
            -66.87552178,
            18.50147638,
            539.7392924
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.88504167324547,
                  18.49717101329583,
                  -115.14070764729723
                ],
                [
                  -66.88498879542995,
                  18.50147637675628,
                  -115.14070764729723
                ],
                [
                  -66.87552178368878,
                  18.501370289988035,
                  539.7392923527027
                ],
                [
                  -66.87557489775791,
                  18.497064952952876,
                  539.7392923527027
                ],
                [
                  -66.88504167324547,
                  18.49717101329583,
                  -115.14070764729723
                ]
              ]
            ]
          },
          "id": "20190121_723300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_723300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:27:14Z",
            "pc:count": 2115895,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 723812.7575,
                "count": 2115895,
                "maximum": 724300.0156,
                "minimum": 723299.9956,
                "name": "X",
                "position": 0,
                "stddev": 289.7182406,
                "variance": 83936.65895
              },
              {
                "average": 2046665.329,
                "count": 2115895,
                "maximum": 2046976.66,
                "minimum": 2046499.98,
                "name": "Y",
                "position": 1,
                "stddev": 108.9916897,
                "variance": 11879.18842
              },
              {
                "average": 0.1672513346,
                "count": 2115895,
                "maximum": 539.7392924,
                "minimum": -115.1407076,
                "name": "Z",
                "position": 2,
                "stddev": 11.18545135,
                "variance": 125.114322
              },
              {
                "average": 788.0265193,
                "count": 2115895,
                "maximum": 2872,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 515.3599297,
                "variance": 265595.8571
              },
              {
                "average": 1.017930001,
                "count": 2115895,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1353838526,
                "variance": 0.01832878755
              },
              {
                "average": 1.035894031,
                "count": 2115895,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.191718692,
                "variance": 0.03675605685
              },
              {
                "average": 0.4085750947,
                "count": 2115895,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4915705452,
                "variance": 0.2416416009
              },
              {
                "average": 0.005375030424,
                "count": 2115895,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07311731668,
                "variance": 0.005346141999
              },
              {
                "average": 21.34440934,
                "count": 2115895,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.80948676,
                "variance": 475.6537129
              },
              {
                "average": 2.661651929,
                "count": 2115895,
                "maximum": 23.0340004,
                "minimum": -26.95800018,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.08035312,
                "variance": 145.9349316
              },
              {
                "average": 0.9847965046,
                "count": 2115895,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.080470139,
                "variance": 1.167415721
              },
              {
                "average": 86.24891169,
                "count": 2115895,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4323826417,
                "variance": 0.1869547489
              },
              {
                "average": 232133610.6,
                "count": 2115895,
                "maximum": 232134034.1,
                "minimum": 232133462.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 238.3759905,
                "variance": 56823.11285
              },
              {
                "average": 0.9847965046,
                "count": 2115895,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.080470139,
                "variance": 1.167415721
              },
              {
                "average": 0,
                "count": 2115895,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2115895,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1127158956,
                "count": 2115895,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3162452684,
                "variance": 0.1000110698
              },
              {
                "average": 0,
                "count": 2115895,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              723299.9956,
              2046499.98,
              -115.1407076,
              724300.0156,
              2046976.66,
              539.7392924
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    723299.9956255008,
                    2046499.9799754634,
                    -115.14070764729723
                  ],
                  [
                    723299.9956255008,
                    2046976.6599754635,
                    -115.14070764729723
                  ],
                  [
                    724300.0156255008,
                    2046976.6599754635,
                    539.7392923527027
                  ],
                  [
                    724300.0156255008,
                    2046499.9799754634,
                    539.7392923527027
                  ],
                  [
                    723299.9956255008,
                    2046499.9799754634,
                    -115.14070764729723
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:27:14+00:00",
            "end_time": "2019-01-21T19:17:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1788224480315,
              18.47312343721755,
              -92.01179979931607
            ],
            [
              -67.1787270387569,
              18.48215721704774,
              -92.01179979931607
            ],
            [
              -67.16925959609227,
              18.48206591938444,
              492.60820020068394
            ],
            [
              -67.16935550065519,
              18.473032187313454,
              492.60820020068394
            ],
            [
              -67.1788224480315,
              18.47312343721755,
              -92.01179979931607
            ]
          ]
        ]
      },
      "bbox": [
        -67.17882245,
        18.47303219,
        -92.0117998,
        -67.1692596,
        18.48215722,
        492.6082002
      ],
      "properties": {
        "datetime": "2019-01-26T12:44:19Z",
        "pc:count": 10179544,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693014.5875,
            "count": 10179544,
            "maximum": 693300.0017,
            "minimum": 692300.0017,
            "name": "X",
            "position": 0,
            "stddev": 264.3527289,
            "variance": 69882.36529
          },
          {
            "average": 2044022.636,
            "count": 10179544,
            "maximum": 2044500,
            "minimum": 2043499.98,
            "name": "Y",
            "position": 1,
            "stddev": 283.6885962,
            "variance": 80479.21959
          },
          {
            "average": -4.545292888,
            "count": 10179544,
            "maximum": 492.6082002,
            "minimum": -92.0117998,
            "name": "Z",
            "position": 2,
            "stddev": 13.96347533,
            "variance": 194.9786434
          },
          {
            "average": 552.1672272,
            "count": 10179544,
            "maximum": 4837,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 599.1800954,
            "variance": 359016.7867
          },
          {
            "average": 1.866531153,
            "count": 10179544,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.317087527,
            "variance": 1.734719553
          },
          {
            "average": 2.732916917,
            "count": 10179544,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.89376948,
            "variance": 3.586362844
          },
          {
            "average": 0.5376860692,
            "count": 10179544,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4985777618,
            "variance": 0.2485797846
          },
          {
            "average": 0.003596722997,
            "count": 10179544,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05986473864,
            "variance": 0.003583786932
          },
          {
            "average": 29.62511936,
            "count": 10179544,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.89159919,
            "variance": 395.6757185
          },
          {
            "average": -3.923052995,
            "count": 10179544,
            "maximum": 20.57999992,
            "minimum": -22.26000023,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.31797585,
            "variance": 177.3684806
          },
          {
            "average": 0.7299988094,
            "count": 10179544,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7627096991,
            "variance": 0.5817260851
          },
          {
            "average": 102.8007973,
            "count": 10179544,
            "maximum": 104,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.138220579,
            "variance": 1.295546086
          },
          {
            "average": 232541331.5,
            "count": 10179544,
            "maximum": 232541859.7,
            "minimum": 232540314.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 451.7018976,
            "variance": 204034.6043
          },
          {
            "average": 0.7299988094,
            "count": 10179544,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7627096991,
            "variance": 0.5817260851
          },
          {
            "average": 0,
            "count": 10179544,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10179544,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2696202305,
            "count": 10179544,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4437625279,
            "variance": 0.1969251812
          },
          {
            "average": 0,
            "count": 10179544,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692300.0017,
          2043499.98,
          -92.0117998,
          693300.0017,
          2044500,
          492.6082002
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692300.0017305847,
                2043499.9797903488,
                -92.01179979931607
              ],
              [
                692300.0017305847,
                2044499.9997903488,
                -92.01179979931607
              ],
              [
                693300.0017305847,
                2044499.9997903488,
                492.60820020068394
              ],
              [
                693300.0017305847,
                2043499.9797903488,
                492.60820020068394
              ],
              [
                692300.0017305847,
                2043499.9797903488,
                -92.01179979931607
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:44:19+00:00",
        "end_time": "2019-01-26T12:18:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17882245,
            18.47303219,
            -92.0117998,
            -67.1692596,
            18.48215722,
            492.6082002
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1788224480315,
                  18.47312343721755,
                  -92.01179979931607
                ],
                [
                  -67.1787270387569,
                  18.48215721704774,
                  -92.01179979931607
                ],
                [
                  -67.16925959609227,
                  18.48206591938444,
                  492.60820020068394
                ],
                [
                  -67.16935550065519,
                  18.473032187313454,
                  492.60820020068394
                ],
                [
                  -67.1788224480315,
                  18.47312343721755,
                  -92.01179979931607
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:44:19Z",
            "pc:count": 10179544,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693014.5875,
                "count": 10179544,
                "maximum": 693300.0017,
                "minimum": 692300.0017,
                "name": "X",
                "position": 0,
                "stddev": 264.3527289,
                "variance": 69882.36529
              },
              {
                "average": 2044022.636,
                "count": 10179544,
                "maximum": 2044500,
                "minimum": 2043499.98,
                "name": "Y",
                "position": 1,
                "stddev": 283.6885962,
                "variance": 80479.21959
              },
              {
                "average": -4.545292888,
                "count": 10179544,
                "maximum": 492.6082002,
                "minimum": -92.0117998,
                "name": "Z",
                "position": 2,
                "stddev": 13.96347533,
                "variance": 194.9786434
              },
              {
                "average": 552.1672272,
                "count": 10179544,
                "maximum": 4837,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 599.1800954,
                "variance": 359016.7867
              },
              {
                "average": 1.866531153,
                "count": 10179544,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.317087527,
                "variance": 1.734719553
              },
              {
                "average": 2.732916917,
                "count": 10179544,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.89376948,
                "variance": 3.586362844
              },
              {
                "average": 0.5376860692,
                "count": 10179544,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4985777618,
                "variance": 0.2485797846
              },
              {
                "average": 0.003596722997,
                "count": 10179544,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05986473864,
                "variance": 0.003583786932
              },
              {
                "average": 29.62511936,
                "count": 10179544,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.89159919,
                "variance": 395.6757185
              },
              {
                "average": -3.923052995,
                "count": 10179544,
                "maximum": 20.57999992,
                "minimum": -22.26000023,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.31797585,
                "variance": 177.3684806
              },
              {
                "average": 0.7299988094,
                "count": 10179544,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7627096991,
                "variance": 0.5817260851
              },
              {
                "average": 102.8007973,
                "count": 10179544,
                "maximum": 104,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.138220579,
                "variance": 1.295546086
              },
              {
                "average": 232541331.5,
                "count": 10179544,
                "maximum": 232541859.7,
                "minimum": 232540314.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 451.7018976,
                "variance": 204034.6043
              },
              {
                "average": 0.7299988094,
                "count": 10179544,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7627096991,
                "variance": 0.5817260851
              },
              {
                "average": 0,
                "count": 10179544,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10179544,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2696202305,
                "count": 10179544,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4437625279,
                "variance": 0.1969251812
              },
              {
                "average": 0,
                "count": 10179544,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692300.0017,
              2043499.98,
              -92.0117998,
              693300.0017,
              2044500,
              492.6082002
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692300.0017305847,
                    2043499.9797903488,
                    -92.01179979931607
                  ],
                  [
                    692300.0017305847,
                    2044499.9997903488,
                    -92.01179979931607
                  ],
                  [
                    693300.0017305847,
                    2044499.9997903488,
                    492.60820020068394
                  ],
                  [
                    693300.0017305847,
                    2043499.9797903488,
                    492.60820020068394
                  ],
                  [
                    692300.0017305847,
                    2043499.9797903488,
                    -92.01179979931607
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:44:19+00:00",
            "end_time": "2019-01-26T12:18:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_715300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.96094668889603,
              18.483638477248274,
              -110.20197553118794
            ],
            [
              -66.96088360599352,
              18.488970138312613,
              -110.20197553118794
            ],
            [
              -66.9514168228822,
              18.48886791482129,
              570.7380244688121
            ],
            [
              -66.95148019815463,
              18.483536285307892,
              570.7380244688121
            ],
            [
              -66.96094668889603,
              18.483638477248274,
              -110.20197553118794
            ]
          ]
        ]
      },
      "bbox": [
        -66.96094669,
        18.48353629,
        -110.2019755,
        -66.95141682,
        18.48897014,
        570.7380245
      ],
      "properties": {
        "datetime": "2019-01-21T20:09:32Z",
        "pc:count": 16608608,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 715778.8931,
            "count": 16608608,
            "maximum": 716300.0103,
            "minimum": 715299.9903,
            "name": "X",
            "position": 0,
            "stddev": 285.0041881,
            "variance": 81227.38725
          },
          {
            "average": 2045215.428,
            "count": 16608608,
            "maximum": 2045499.991,
            "minimum": 2044909.711,
            "name": "Y",
            "position": 1,
            "stddev": 160.1761925,
            "variance": 25656.41263
          },
          {
            "average": 29.20258149,
            "count": 16608608,
            "maximum": 570.7380245,
            "minimum": -110.2019755,
            "name": "Z",
            "position": 2,
            "stddev": 28.23592384,
            "variance": 797.2673951
          },
          {
            "average": 1199.700742,
            "count": 16608608,
            "maximum": 4696,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 547.8528995,
            "variance": 300142.7994
          },
          {
            "average": 2.243181909,
            "count": 16608608,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.48972883,
            "variance": 2.219291987
          },
          {
            "average": 3.485296179,
            "count": 16608608,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.966836238,
            "variance": 3.868444788
          },
          {
            "average": 0.3660060494,
            "count": 16608608,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4817111533,
            "variance": 0.2320456352
          },
          {
            "average": 0.001133689229,
            "count": 16608608,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03365121166,
            "variance": 0.001132404046
          },
          {
            "average": 1.774002915,
            "count": 16608608,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.371672328,
            "variance": 28.8548636
          },
          {
            "average": -0.8082736548,
            "count": 16608608,
            "maximum": 23.02799988,
            "minimum": -22.29000092,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.95829547,
            "variance": 194.8340125
          },
          {
            "average": 0.9935901913,
            "count": 16608608,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.123181678,
            "variance": 1.261537083
          },
          {
            "average": 91.55205692,
            "count": 16608608,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5899555989,
            "variance": 0.3480476087
          },
          {
            "average": 232136414.5,
            "count": 16608608,
            "maximum": 232136572.3,
            "minimum": 232135536,
            "name": "GpsTime",
            "position": 12,
            "stddev": 239.1414713,
            "variance": 57188.64329
          },
          {
            "average": 0.9935901913,
            "count": 16608608,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.123181678,
            "variance": 1.261537083
          },
          {
            "average": 0,
            "count": 16608608,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16608608,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2652371589,
            "count": 16608608,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4414594208,
            "variance": 0.1948864202
          },
          {
            "average": 0,
            "count": 16608608,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          715299.9903,
          2044909.711,
          -110.2019755,
          716300.0103,
          2045499.991,
          570.7380245
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                715299.9903273628,
                2044909.7113651845,
                -110.20197553118794
              ],
              [
                715299.9903273628,
                2045499.9913651843,
                -110.20197553118794
              ],
              [
                716300.0103273628,
                2045499.9913651843,
                570.7380244688121
              ],
              [
                716300.0103273628,
                2044909.7113651845,
                570.7380244688121
              ],
              [
                715299.9903273628,
                2044909.7113651845,
                -110.20197553118794
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:09:32+00:00",
        "end_time": "2019-01-21T19:52:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_715300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_715300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_715300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_715300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.96094669,
            18.48353629,
            -110.2019755,
            -66.95141682,
            18.48897014,
            570.7380245
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.96094668889603,
                  18.483638477248274,
                  -110.20197553118794
                ],
                [
                  -66.96088360599352,
                  18.488970138312613,
                  -110.20197553118794
                ],
                [
                  -66.9514168228822,
                  18.48886791482129,
                  570.7380244688121
                ],
                [
                  -66.95148019815463,
                  18.483536285307892,
                  570.7380244688121
                ],
                [
                  -66.96094668889603,
                  18.483638477248274,
                  -110.20197553118794
                ]
              ]
            ]
          },
          "id": "20190121_715300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_715300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:09:32Z",
            "pc:count": 16608608,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 715778.8931,
                "count": 16608608,
                "maximum": 716300.0103,
                "minimum": 715299.9903,
                "name": "X",
                "position": 0,
                "stddev": 285.0041881,
                "variance": 81227.38725
              },
              {
                "average": 2045215.428,
                "count": 16608608,
                "maximum": 2045499.991,
                "minimum": 2044909.711,
                "name": "Y",
                "position": 1,
                "stddev": 160.1761925,
                "variance": 25656.41263
              },
              {
                "average": 29.20258149,
                "count": 16608608,
                "maximum": 570.7380245,
                "minimum": -110.2019755,
                "name": "Z",
                "position": 2,
                "stddev": 28.23592384,
                "variance": 797.2673951
              },
              {
                "average": 1199.700742,
                "count": 16608608,
                "maximum": 4696,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 547.8528995,
                "variance": 300142.7994
              },
              {
                "average": 2.243181909,
                "count": 16608608,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.48972883,
                "variance": 2.219291987
              },
              {
                "average": 3.485296179,
                "count": 16608608,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.966836238,
                "variance": 3.868444788
              },
              {
                "average": 0.3660060494,
                "count": 16608608,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4817111533,
                "variance": 0.2320456352
              },
              {
                "average": 0.001133689229,
                "count": 16608608,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03365121166,
                "variance": 0.001132404046
              },
              {
                "average": 1.774002915,
                "count": 16608608,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.371672328,
                "variance": 28.8548636
              },
              {
                "average": -0.8082736548,
                "count": 16608608,
                "maximum": 23.02799988,
                "minimum": -22.29000092,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.95829547,
                "variance": 194.8340125
              },
              {
                "average": 0.9935901913,
                "count": 16608608,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.123181678,
                "variance": 1.261537083
              },
              {
                "average": 91.55205692,
                "count": 16608608,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5899555989,
                "variance": 0.3480476087
              },
              {
                "average": 232136414.5,
                "count": 16608608,
                "maximum": 232136572.3,
                "minimum": 232135536,
                "name": "GpsTime",
                "position": 12,
                "stddev": 239.1414713,
                "variance": 57188.64329
              },
              {
                "average": 0.9935901913,
                "count": 16608608,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.123181678,
                "variance": 1.261537083
              },
              {
                "average": 0,
                "count": 16608608,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16608608,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2652371589,
                "count": 16608608,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4414594208,
                "variance": 0.1948864202
              },
              {
                "average": 0,
                "count": 16608608,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              715299.9903,
              2044909.711,
              -110.2019755,
              716300.0103,
              2045499.991,
              570.7380245
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    715299.9903273628,
                    2044909.7113651845,
                    -110.20197553118794
                  ],
                  [
                    715299.9903273628,
                    2045499.9913651843,
                    -110.20197553118794
                  ],
                  [
                    716300.0103273628,
                    2045499.9913651843,
                    570.7380244688121
                  ],
                  [
                    716300.0103273628,
                    2044909.7113651845,
                    570.7380244688121
                  ],
                  [
                    715299.9903273628,
                    2044909.7113651845,
                    -110.20197553118794
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:09:32+00:00",
            "end_time": "2019-01-21T19:52:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_694300e_2042500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16008131190083,
              18.454873430294764,
              -149.1952791672445
            ],
            [
              -67.1599850232007,
              18.463907132531126,
              -149.1952791672445
            ],
            [
              -67.15542299692235,
              18.46386278416289,
              541.3847208327555
            ],
            [
              -67.15551952402554,
              18.4548291051454,
              541.3847208327555
            ],
            [
              -67.16008131190083,
              18.454873430294764,
              -149.1952791672445
            ]
          ]
        ]
      },
      "bbox": [
        -67.16008131,
        18.45482911,
        -149.1952792,
        -67.155423,
        18.46390713,
        541.3847208
      ],
      "properties": {
        "datetime": "2019-01-27T14:35:20Z",
        "pc:count": 10060080,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694468.3723,
            "count": 10060080,
            "maximum": 694781.9139,
            "minimum": 694299.9939,
            "name": "X",
            "position": 0,
            "stddev": 110.3033137,
            "variance": 12166.821
          },
          {
            "average": 2042046.746,
            "count": 10060080,
            "maximum": 2042500,
            "minimum": 2041499.98,
            "name": "Y",
            "position": 1,
            "stddev": 266.2240972,
            "variance": 70875.26992
          },
          {
            "average": 61.74131527,
            "count": 10060080,
            "maximum": 541.3847208,
            "minimum": -149.1952792,
            "name": "Z",
            "position": 2,
            "stddev": 13.51075692,
            "variance": 182.5405526
          },
          {
            "average": 1292.523379,
            "count": 10060080,
            "maximum": 4253,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 548.450121,
            "variance": 300797.5352
          },
          {
            "average": 2.291998076,
            "count": 10060080,
            "maximum": 14,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.566493304,
            "variance": 2.453901271
          },
          {
            "average": 3.582995066,
            "count": 10060080,
            "maximum": 14,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.097199422,
            "variance": 4.398245416
          },
          {
            "average": 0.3321882132,
            "count": 10060080,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4709981171,
            "variance": 0.2218392263
          },
          {
            "average": 0.0009557578071,
            "count": 10060080,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0309005571,
            "variance": 0.000954844429
          },
          {
            "average": 1.122557872,
            "count": 10060080,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4608875601,
            "variance": 0.212417343
          },
          {
            "average": -2.360513021,
            "count": 10060080,
            "maximum": 20.67000008,
            "minimum": -21.64800072,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.10318842,
            "variance": 171.6935468
          },
          {
            "average": 1.032560675,
            "count": 10060080,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.169240859,
            "variance": 1.367124187
          },
          {
            "average": 109.8779427,
            "count": 10060080,
            "maximum": 111,
            "minimum": 109,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3936366224,
            "variance": 0.1549497905
          },
          {
            "average": 232634513.1,
            "count": 10060080,
            "maximum": 232634920.1,
            "minimum": 232634231.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 126.9604548,
            "variance": 16118.95709
          },
          {
            "average": 1.032560675,
            "count": 10060080,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.169240859,
            "variance": 1.367124187
          },
          {
            "average": 0,
            "count": 10060080,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10060080,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2232525984,
            "count": 10060080,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4164263355,
            "variance": 0.1734108929
          },
          {
            "average": 0,
            "count": 10060080,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9939,
          2041499.98,
          -149.1952792,
          694781.9139,
          2042500,
          541.3847208
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9938911865,
                2041499.9796493184,
                -149.1952791672445
              ],
              [
                694299.9938911865,
                2042499.9996493184,
                -149.1952791672445
              ],
              [
                694781.9138911865,
                2042499.9996493184,
                541.3847208327555
              ],
              [
                694781.9138911865,
                2041499.9796493184,
                541.3847208327555
              ],
              [
                694299.9938911865,
                2041499.9796493184,
                -149.1952791672445
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:35:20+00:00",
        "end_time": "2019-01-27T14:23:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_694300e_2042500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_694300e_2042500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_694300e_2042500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2042500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16008131,
            18.45482911,
            -149.1952792,
            -67.155423,
            18.46390713,
            541.3847208
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16008131190083,
                  18.454873430294764,
                  -149.1952791672445
                ],
                [
                  -67.1599850232007,
                  18.463907132531126,
                  -149.1952791672445
                ],
                [
                  -67.15542299692235,
                  18.46386278416289,
                  541.3847208327555
                ],
                [
                  -67.15551952402554,
                  18.4548291051454,
                  541.3847208327555
                ],
                [
                  -67.16008131190083,
                  18.454873430294764,
                  -149.1952791672445
                ]
              ]
            ]
          },
          "id": "20190127_694300e_2042500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2042500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:35:20Z",
            "pc:count": 10060080,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694468.3723,
                "count": 10060080,
                "maximum": 694781.9139,
                "minimum": 694299.9939,
                "name": "X",
                "position": 0,
                "stddev": 110.3033137,
                "variance": 12166.821
              },
              {
                "average": 2042046.746,
                "count": 10060080,
                "maximum": 2042500,
                "minimum": 2041499.98,
                "name": "Y",
                "position": 1,
                "stddev": 266.2240972,
                "variance": 70875.26992
              },
              {
                "average": 61.74131527,
                "count": 10060080,
                "maximum": 541.3847208,
                "minimum": -149.1952792,
                "name": "Z",
                "position": 2,
                "stddev": 13.51075692,
                "variance": 182.5405526
              },
              {
                "average": 1292.523379,
                "count": 10060080,
                "maximum": 4253,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 548.450121,
                "variance": 300797.5352
              },
              {
                "average": 2.291998076,
                "count": 10060080,
                "maximum": 14,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.566493304,
                "variance": 2.453901271
              },
              {
                "average": 3.582995066,
                "count": 10060080,
                "maximum": 14,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.097199422,
                "variance": 4.398245416
              },
              {
                "average": 0.3321882132,
                "count": 10060080,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4709981171,
                "variance": 0.2218392263
              },
              {
                "average": 0.0009557578071,
                "count": 10060080,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0309005571,
                "variance": 0.000954844429
              },
              {
                "average": 1.122557872,
                "count": 10060080,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4608875601,
                "variance": 0.212417343
              },
              {
                "average": -2.360513021,
                "count": 10060080,
                "maximum": 20.67000008,
                "minimum": -21.64800072,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.10318842,
                "variance": 171.6935468
              },
              {
                "average": 1.032560675,
                "count": 10060080,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.169240859,
                "variance": 1.367124187
              },
              {
                "average": 109.8779427,
                "count": 10060080,
                "maximum": 111,
                "minimum": 109,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3936366224,
                "variance": 0.1549497905
              },
              {
                "average": 232634513.1,
                "count": 10060080,
                "maximum": 232634920.1,
                "minimum": 232634231.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 126.9604548,
                "variance": 16118.95709
              },
              {
                "average": 1.032560675,
                "count": 10060080,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.169240859,
                "variance": 1.367124187
              },
              {
                "average": 0,
                "count": 10060080,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10060080,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2232525984,
                "count": 10060080,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4164263355,
                "variance": 0.1734108929
              },
              {
                "average": 0,
                "count": 10060080,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9939,
              2041499.98,
              -149.1952792,
              694781.9139,
              2042500,
              541.3847208
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9938911865,
                    2041499.9796493184,
                    -149.1952791672445
                  ],
                  [
                    694299.9938911865,
                    2042499.9996493184,
                    -149.1952791672445
                  ],
                  [
                    694781.9138911865,
                    2042499.9996493184,
                    541.3847208327555
                  ],
                  [
                    694781.9138911865,
                    2041499.9796493184,
                    541.3847208327555
                  ],
                  [
                    694299.9938911865,
                    2041499.9796493184,
                    -149.1952791672445
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:35:20+00:00",
            "end_time": "2019-01-27T14:23:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_717300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.94184257430233,
              18.497797466244737,
              -132.47184424350326
            ],
            [
              -66.9417950355713,
              18.501774932506798,
              -132.47184424350326
            ],
            [
              -66.93232766271475,
              18.501671685871766,
              534.8481557564968
            ],
            [
              -66.93237541973645,
              18.497694243368578,
              534.8481557564968
            ],
            [
              -66.94184257430233,
              18.497797466244737,
              -132.47184424350326
            ]
          ]
        ]
      },
      "bbox": [
        -66.94184257,
        18.49769424,
        -132.4718442,
        -66.93232766,
        18.50177493,
        534.8481558
      ],
      "properties": {
        "datetime": "2019-01-21T19:28:43Z",
        "pc:count": 2238217,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 717803.8494,
            "count": 2238217,
            "maximum": 718300.01,
            "minimum": 717299.99,
            "name": "X",
            "position": 0,
            "stddev": 286.7452944,
            "variance": 82222.86387
          },
          {
            "average": 2046684.517,
            "count": 2238217,
            "maximum": 2046940.344,
            "minimum": 2046499.984,
            "name": "Y",
            "position": 1,
            "stddev": 120.4240624,
            "variance": 14501.95481
          },
          {
            "average": 0.1041454081,
            "count": 2238217,
            "maximum": 534.8481558,
            "minimum": -132.4718442,
            "name": "Z",
            "position": 2,
            "stddev": 9.374756348,
            "variance": 87.88605659
          },
          {
            "average": 762.4420112,
            "count": 2238217,
            "maximum": 3022,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 540.0444318,
            "variance": 291647.9883
          },
          {
            "average": 1.025153057,
            "count": 2238217,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1603676213,
            "variance": 0.02571777397
          },
          {
            "average": 1.050350793,
            "count": 2238217,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2267327905,
            "variance": 0.05140775827
          },
          {
            "average": 0.4315939875,
            "count": 2238217,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4952986241,
            "variance": 0.2453207271
          },
          {
            "average": 0.00660659802,
            "count": 2238217,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08101205969,
            "variance": 0.006562953815
          },
          {
            "average": 17.973415,
            "count": 2238217,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.30201629,
            "variance": 453.7758979
          },
          {
            "average": 3.603475073,
            "count": 2238217,
            "maximum": 22.69199944,
            "minimum": -22.4640007,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.6819186,
            "variance": 160.8310595
          },
          {
            "average": 1.01242909,
            "count": 2238217,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.071954825,
            "variance": 1.149087146
          },
          {
            "average": 86.30389636,
            "count": 2238217,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4599385361,
            "variance": 0.211543457
          },
          {
            "average": 232133604.5,
            "count": 2238217,
            "maximum": 232134123.8,
            "minimum": 232133371.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 336.8704419,
            "variance": 113481.6946
          },
          {
            "average": 1.01242909,
            "count": 2238217,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.071954825,
            "variance": 1.149087146
          },
          {
            "average": 0,
            "count": 2238217,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2238217,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2154272798,
            "count": 2238217,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.411118526,
            "variance": 0.1690184425
          },
          {
            "average": 0,
            "count": 2238217,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          717299.99,
          2046499.984,
          -132.4718442,
          718300.01,
          2046940.344,
          534.8481558
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                717299.9900494921,
                2046499.9837130571,
                -132.47184424350326
              ],
              [
                717299.9900494921,
                2046940.343713057,
                -132.47184424350326
              ],
              [
                718300.0100494921,
                2046940.343713057,
                534.8481557564968
              ],
              [
                718300.0100494921,
                2046499.9837130571,
                534.8481557564968
              ],
              [
                717299.9900494921,
                2046499.9837130571,
                -132.47184424350326
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:28:43+00:00",
        "end_time": "2019-01-21T19:16:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_717300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_717300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_717300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_717300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.94184257,
            18.49769424,
            -132.4718442,
            -66.93232766,
            18.50177493,
            534.8481558
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.94184257430233,
                  18.497797466244737,
                  -132.47184424350326
                ],
                [
                  -66.9417950355713,
                  18.501774932506798,
                  -132.47184424350326
                ],
                [
                  -66.93232766271475,
                  18.501671685871766,
                  534.8481557564968
                ],
                [
                  -66.93237541973645,
                  18.497694243368578,
                  534.8481557564968
                ],
                [
                  -66.94184257430233,
                  18.497797466244737,
                  -132.47184424350326
                ]
              ]
            ]
          },
          "id": "20190121_717300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_717300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:28:43Z",
            "pc:count": 2238217,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 717803.8494,
                "count": 2238217,
                "maximum": 718300.01,
                "minimum": 717299.99,
                "name": "X",
                "position": 0,
                "stddev": 286.7452944,
                "variance": 82222.86387
              },
              {
                "average": 2046684.517,
                "count": 2238217,
                "maximum": 2046940.344,
                "minimum": 2046499.984,
                "name": "Y",
                "position": 1,
                "stddev": 120.4240624,
                "variance": 14501.95481
              },
              {
                "average": 0.1041454081,
                "count": 2238217,
                "maximum": 534.8481558,
                "minimum": -132.4718442,
                "name": "Z",
                "position": 2,
                "stddev": 9.374756348,
                "variance": 87.88605659
              },
              {
                "average": 762.4420112,
                "count": 2238217,
                "maximum": 3022,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 540.0444318,
                "variance": 291647.9883
              },
              {
                "average": 1.025153057,
                "count": 2238217,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1603676213,
                "variance": 0.02571777397
              },
              {
                "average": 1.050350793,
                "count": 2238217,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2267327905,
                "variance": 0.05140775827
              },
              {
                "average": 0.4315939875,
                "count": 2238217,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4952986241,
                "variance": 0.2453207271
              },
              {
                "average": 0.00660659802,
                "count": 2238217,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08101205969,
                "variance": 0.006562953815
              },
              {
                "average": 17.973415,
                "count": 2238217,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.30201629,
                "variance": 453.7758979
              },
              {
                "average": 3.603475073,
                "count": 2238217,
                "maximum": 22.69199944,
                "minimum": -22.4640007,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.6819186,
                "variance": 160.8310595
              },
              {
                "average": 1.01242909,
                "count": 2238217,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.071954825,
                "variance": 1.149087146
              },
              {
                "average": 86.30389636,
                "count": 2238217,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4599385361,
                "variance": 0.211543457
              },
              {
                "average": 232133604.5,
                "count": 2238217,
                "maximum": 232134123.8,
                "minimum": 232133371.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 336.8704419,
                "variance": 113481.6946
              },
              {
                "average": 1.01242909,
                "count": 2238217,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.071954825,
                "variance": 1.149087146
              },
              {
                "average": 0,
                "count": 2238217,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2238217,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2154272798,
                "count": 2238217,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.411118526,
                "variance": 0.1690184425
              },
              {
                "average": 0,
                "count": 2238217,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              717299.99,
              2046499.984,
              -132.4718442,
              718300.01,
              2046940.344,
              534.8481558
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    717299.9900494921,
                    2046499.9837130571,
                    -132.47184424350326
                  ],
                  [
                    717299.9900494921,
                    2046940.343713057,
                    -132.47184424350326
                  ],
                  [
                    718300.0100494921,
                    2046940.343713057,
                    534.8481557564968
                  ],
                  [
                    718300.0100494921,
                    2046499.9837130571,
                    534.8481557564968
                  ],
                  [
                    717299.9900494921,
                    2046499.9837130571,
                    -132.47184424350326
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:28:43+00:00",
            "end_time": "2019-01-21T19:16:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_720300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.91368098459917,
              18.477730133904995,
              -128.0369505098676
            ],
            [
              -66.91366050918361,
              18.479422219647585,
              -128.0369505098676
            ],
            [
              -66.90419472281125,
              18.479317689443707,
              314.1030494901324
            ],
            [
              -66.90421529095899,
              18.477625613945023,
              314.1030494901324
            ],
            [
              -66.91368098459917,
              18.477730133904995,
              -128.0369505098676
            ]
          ]
        ]
      },
      "bbox": [
        -66.91368098,
        18.47762561,
        -128.0369505,
        -66.90419472,
        18.47942222,
        314.1030495
      ],
      "properties": {
        "datetime": "2019-01-21T20:25:26Z",
        "pc:count": 2470068,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 720775.418,
            "count": 2470068,
            "maximum": 721299.9989,
            "minimum": 720299.9989,
            "name": "X",
            "position": 0,
            "stddev": 263.8334501,
            "variance": 69608.08939
          },
          {
            "average": 2044441.372,
            "count": 2470068,
            "maximum": 2044500,
            "minimum": 2044312.66,
            "name": "Y",
            "position": 1,
            "stddev": 32.69189491,
            "variance": 1068.759993
          },
          {
            "average": 75.33693076,
            "count": 2470068,
            "maximum": 314.1030495,
            "minimum": -128.0369505,
            "name": "Z",
            "position": 2,
            "stddev": 8.060760008,
            "variance": 64.9758519
          },
          {
            "average": 1448.822465,
            "count": 2470068,
            "maximum": 3039,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 517.4409616,
            "variance": 267745.1487
          },
          {
            "average": 1.994219187,
            "count": 2470068,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.385746674,
            "variance": 1.920293845
          },
          {
            "average": 2.984789488,
            "count": 2470068,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.943039542,
            "variance": 3.775402661
          },
          {
            "average": 0.3766580515,
            "count": 2470068,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4845480975,
            "variance": 0.2347868588
          },
          {
            "average": 0.001950148741,
            "count": 2470068,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04411741661,
            "variance": 0.001946346449
          },
          {
            "average": 1.13123161,
            "count": 2470068,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5701197988,
            "variance": 0.325036585
          },
          {
            "average": 17.54035229,
            "count": 2470068,
            "maximum": 24.74399948,
            "minimum": 10.17599964,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.496652833,
            "variance": 12.22658104
          },
          {
            "average": 0.968755516,
            "count": 2470068,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.102027081,
            "variance": 1.214463687
          },
          {
            "average": 95,
            "count": 2470068,
            "maximum": 95,
            "minimum": 95,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232137515.3,
            "count": 2470068,
            "maximum": 232137526.6,
            "minimum": 232137506.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.048593354,
            "variance": 16.39110814
          },
          {
            "average": 0.968755516,
            "count": 2470068,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.102027081,
            "variance": 1.214463687
          },
          {
            "average": 0,
            "count": 2470068,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2470068,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.4864639354,
            "count": 2470068,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4998168425,
            "variance": 0.2498168761
          },
          {
            "average": 0,
            "count": 2470068,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          720299.9989,
          2044312.66,
          -128.0369505,
          721299.9989,
          2044500,
          314.1030495
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                720299.9989393607,
                2044312.659749169,
                -128.0369505098676
              ],
              [
                720299.9989393607,
                2044499.9997491688,
                -128.0369505098676
              ],
              [
                721299.9989393607,
                2044499.9997491688,
                314.1030494901324
              ],
              [
                721299.9989393607,
                2044312.659749169,
                314.1030494901324
              ],
              [
                720299.9989393607,
                2044312.659749169,
                -128.0369505098676
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:25:26+00:00",
        "end_time": "2019-01-21T20:25:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_720300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_720300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_720300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.91368098,
            18.47762561,
            -128.0369505,
            -66.90419472,
            18.47942222,
            314.1030495
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.91368098459917,
                  18.477730133904995,
                  -128.0369505098676
                ],
                [
                  -66.91366050918361,
                  18.479422219647585,
                  -128.0369505098676
                ],
                [
                  -66.90419472281125,
                  18.479317689443707,
                  314.1030494901324
                ],
                [
                  -66.90421529095899,
                  18.477625613945023,
                  314.1030494901324
                ],
                [
                  -66.91368098459917,
                  18.477730133904995,
                  -128.0369505098676
                ]
              ]
            ]
          },
          "id": "20190121_720300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:25:26Z",
            "pc:count": 2470068,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 720775.418,
                "count": 2470068,
                "maximum": 721299.9989,
                "minimum": 720299.9989,
                "name": "X",
                "position": 0,
                "stddev": 263.8334501,
                "variance": 69608.08939
              },
              {
                "average": 2044441.372,
                "count": 2470068,
                "maximum": 2044500,
                "minimum": 2044312.66,
                "name": "Y",
                "position": 1,
                "stddev": 32.69189491,
                "variance": 1068.759993
              },
              {
                "average": 75.33693076,
                "count": 2470068,
                "maximum": 314.1030495,
                "minimum": -128.0369505,
                "name": "Z",
                "position": 2,
                "stddev": 8.060760008,
                "variance": 64.9758519
              },
              {
                "average": 1448.822465,
                "count": 2470068,
                "maximum": 3039,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 517.4409616,
                "variance": 267745.1487
              },
              {
                "average": 1.994219187,
                "count": 2470068,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.385746674,
                "variance": 1.920293845
              },
              {
                "average": 2.984789488,
                "count": 2470068,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.943039542,
                "variance": 3.775402661
              },
              {
                "average": 0.3766580515,
                "count": 2470068,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4845480975,
                "variance": 0.2347868588
              },
              {
                "average": 0.001950148741,
                "count": 2470068,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04411741661,
                "variance": 0.001946346449
              },
              {
                "average": 1.13123161,
                "count": 2470068,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5701197988,
                "variance": 0.325036585
              },
              {
                "average": 17.54035229,
                "count": 2470068,
                "maximum": 24.74399948,
                "minimum": 10.17599964,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.496652833,
                "variance": 12.22658104
              },
              {
                "average": 0.968755516,
                "count": 2470068,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.102027081,
                "variance": 1.214463687
              },
              {
                "average": 95,
                "count": 2470068,
                "maximum": 95,
                "minimum": 95,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232137515.3,
                "count": 2470068,
                "maximum": 232137526.6,
                "minimum": 232137506.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.048593354,
                "variance": 16.39110814
              },
              {
                "average": 0.968755516,
                "count": 2470068,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.102027081,
                "variance": 1.214463687
              },
              {
                "average": 0,
                "count": 2470068,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2470068,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.4864639354,
                "count": 2470068,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4998168425,
                "variance": 0.2498168761
              },
              {
                "average": 0,
                "count": 2470068,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              720299.9989,
              2044312.66,
              -128.0369505,
              721299.9989,
              2044500,
              314.1030495
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    720299.9989393607,
                    2044312.659749169,
                    -128.0369505098676
                  ],
                  [
                    720299.9989393607,
                    2044499.9997491688,
                    -128.0369505098676
                  ],
                  [
                    721299.9989393607,
                    2044499.9997491688,
                    314.1030494901324
                  ],
                  [
                    721299.9989393607,
                    2044312.659749169,
                    314.1030494901324
                  ],
                  [
                    720299.9989393607,
                    2044312.659749169,
                    -128.0369505098676
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:25:26+00:00",
            "end_time": "2019-01-21T20:25:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_714300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.97040783725045,
              18.48418302708878,
              -124.27394438183865
            ],
            [
              -66.97035026036785,
              18.489071947251443,
              -124.27394438183865
            ],
            [
              -66.96088341565836,
              18.488970196497874,
              568.9460556181614
            ],
            [
              -66.96094126064277,
              18.484081305132303,
              568.9460556181614
            ],
            [
              -66.97040783725045,
              18.48418302708878,
              -124.27394438183865
            ]
          ]
        ]
      },
      "bbox": [
        -66.97040784,
        18.48408131,
        -124.2739444,
        -66.96088342,
        18.48907195,
        568.9460556
      ],
      "properties": {
        "datetime": "2019-01-21T20:09:17Z",
        "pc:count": 16021665,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 714799.6664,
            "count": 16021665,
            "maximum": 715300.0104,
            "minimum": 714299.9904,
            "name": "X",
            "position": 0,
            "stddev": 294.9019091,
            "variance": 86967.13599
          },
          {
            "average": 2045242.741,
            "count": 16021665,
            "maximum": 2045499.998,
            "minimum": 2044958.738,
            "name": "Y",
            "position": 1,
            "stddev": 147.2165663,
            "variance": 21672.71739
          },
          {
            "average": 75.78522201,
            "count": 16021665,
            "maximum": 568.9460556,
            "minimum": -124.2739444,
            "name": "Z",
            "position": 2,
            "stddev": 10.74414247,
            "variance": 115.4365974
          },
          {
            "average": 1303.731632,
            "count": 16021665,
            "maximum": 4472,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 522.1440142,
            "variance": 272634.3715
          },
          {
            "average": 2.247783174,
            "count": 16021665,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.499363369,
            "variance": 2.248090512
          },
          {
            "average": 3.493229262,
            "count": 16021665,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.984037165,
            "variance": 3.93640347
          },
          {
            "average": 0.3372937831,
            "count": 16021665,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4727861049,
            "variance": 0.2235267009
          },
          {
            "average": 0.001125101542,
            "count": 16021665,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03352365969,
            "variance": 0.001123835759
          },
          {
            "average": 1.143105663,
            "count": 16021665,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8422286019,
            "variance": 0.7093490178
          },
          {
            "average": -1.796074899,
            "count": 16021665,
            "maximum": 24.29400063,
            "minimum": -22.4279995,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.30886986,
            "variance": 177.1260169
          },
          {
            "average": 1.008010403,
            "count": 16021665,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.154711546,
            "variance": 1.333358754
          },
          {
            "average": 91.59478612,
            "count": 16021665,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5369875535,
            "variance": 0.2883556326
          },
          {
            "average": 232136434.4,
            "count": 16021665,
            "maximum": 232136557.8,
            "minimum": 232135522.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 184.3091494,
            "variance": 33969.86257
          },
          {
            "average": 1.008010403,
            "count": 16021665,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.154711546,
            "variance": 1.333358754
          },
          {
            "average": 0,
            "count": 16021665,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16021665,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2255839203,
            "count": 16021665,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4179662978,
            "variance": 0.1746958261
          },
          {
            "average": 0,
            "count": 16021665,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          714299.9904,
          2044958.738,
          -124.2739444,
          715300.0104,
          2045499.998,
          568.9460556
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                714299.990357991,
                2044958.7380331713,
                -124.27394438183865
              ],
              [
                714299.990357991,
                2045499.998033171,
                -124.27394438183865
              ],
              [
                715300.010357991,
                2045499.998033171,
                568.9460556181614
              ],
              [
                715300.010357991,
                2044958.7380331713,
                568.9460556181614
              ],
              [
                714299.990357991,
                2044958.7380331713,
                -124.27394438183865
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:09:17+00:00",
        "end_time": "2019-01-21T19:52:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_714300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_714300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_714300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_714300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.97040784,
            18.48408131,
            -124.2739444,
            -66.96088342,
            18.48907195,
            568.9460556
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.97040783725045,
                  18.48418302708878,
                  -124.27394438183865
                ],
                [
                  -66.97035026036785,
                  18.489071947251443,
                  -124.27394438183865
                ],
                [
                  -66.96088341565836,
                  18.488970196497874,
                  568.9460556181614
                ],
                [
                  -66.96094126064277,
                  18.484081305132303,
                  568.9460556181614
                ],
                [
                  -66.97040783725045,
                  18.48418302708878,
                  -124.27394438183865
                ]
              ]
            ]
          },
          "id": "20190121_714300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_714300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:09:17Z",
            "pc:count": 16021665,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 714799.6664,
                "count": 16021665,
                "maximum": 715300.0104,
                "minimum": 714299.9904,
                "name": "X",
                "position": 0,
                "stddev": 294.9019091,
                "variance": 86967.13599
              },
              {
                "average": 2045242.741,
                "count": 16021665,
                "maximum": 2045499.998,
                "minimum": 2044958.738,
                "name": "Y",
                "position": 1,
                "stddev": 147.2165663,
                "variance": 21672.71739
              },
              {
                "average": 75.78522201,
                "count": 16021665,
                "maximum": 568.9460556,
                "minimum": -124.2739444,
                "name": "Z",
                "position": 2,
                "stddev": 10.74414247,
                "variance": 115.4365974
              },
              {
                "average": 1303.731632,
                "count": 16021665,
                "maximum": 4472,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 522.1440142,
                "variance": 272634.3715
              },
              {
                "average": 2.247783174,
                "count": 16021665,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.499363369,
                "variance": 2.248090512
              },
              {
                "average": 3.493229262,
                "count": 16021665,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.984037165,
                "variance": 3.93640347
              },
              {
                "average": 0.3372937831,
                "count": 16021665,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4727861049,
                "variance": 0.2235267009
              },
              {
                "average": 0.001125101542,
                "count": 16021665,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03352365969,
                "variance": 0.001123835759
              },
              {
                "average": 1.143105663,
                "count": 16021665,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8422286019,
                "variance": 0.7093490178
              },
              {
                "average": -1.796074899,
                "count": 16021665,
                "maximum": 24.29400063,
                "minimum": -22.4279995,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.30886986,
                "variance": 177.1260169
              },
              {
                "average": 1.008010403,
                "count": 16021665,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.154711546,
                "variance": 1.333358754
              },
              {
                "average": 91.59478612,
                "count": 16021665,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5369875535,
                "variance": 0.2883556326
              },
              {
                "average": 232136434.4,
                "count": 16021665,
                "maximum": 232136557.8,
                "minimum": 232135522.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 184.3091494,
                "variance": 33969.86257
              },
              {
                "average": 1.008010403,
                "count": 16021665,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.154711546,
                "variance": 1.333358754
              },
              {
                "average": 0,
                "count": 16021665,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16021665,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2255839203,
                "count": 16021665,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4179662978,
                "variance": 0.1746958261
              },
              {
                "average": 0,
                "count": 16021665,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              714299.9904,
              2044958.738,
              -124.2739444,
              715300.0104,
              2045499.998,
              568.9460556
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    714299.990357991,
                    2044958.7380331713,
                    -124.27394438183865
                  ],
                  [
                    714299.990357991,
                    2045499.998033171,
                    -124.27394438183865
                  ],
                  [
                    715300.010357991,
                    2045499.998033171,
                    568.9460556181614
                  ],
                  [
                    715300.010357991,
                    2044958.7380331713,
                    568.9460556181614
                  ],
                  [
                    714299.990357991,
                    2044958.7380331713,
                    -124.27394438183865
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:09:17+00:00",
            "end_time": "2019-01-21T19:52:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_693300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16916374821932,
              18.491099277820513,
              -113.62093815664338
            ],
            [
              -67.16906773304555,
              18.5001329917147,
              -113.62093815664338
            ],
            [
              -67.1595991649274,
              18.500041123428897,
              573.2590618433567
            ],
            [
              -67.15969567595705,
              18.491007457551834,
              573.2590618433567
            ],
            [
              -67.16916374821932,
              18.491099277820513,
              -113.62093815664338
            ]
          ]
        ]
      },
      "bbox": [
        -67.16916375,
        18.49100746,
        -113.6209382,
        -67.15959916,
        18.50013299,
        573.2590618
      ],
      "properties": {
        "datetime": "2019-05-25T11:40:11Z",
        "pc:count": 17870676,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693915.4923,
            "count": 17870676,
            "maximum": 694300.0103,
            "minimum": 693299.9903,
            "name": "X",
            "position": 0,
            "stddev": 271.137037,
            "variance": 73515.29285
          },
          {
            "average": 2045859.229,
            "count": 17870676,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 259.8482494,
            "variance": 67521.11274
          },
          {
            "average": -4.40612938,
            "count": 17870676,
            "maximum": 573.2590618,
            "minimum": -113.6209382,
            "name": "Z",
            "position": 2,
            "stddev": 11.07793054,
            "variance": 122.720545
          },
          {
            "average": 406.2052789,
            "count": 17870676,
            "maximum": 4046,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 439.048871,
            "variance": 192763.9111
          },
          {
            "average": 1.893835409,
            "count": 17870676,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.305498844,
            "variance": 1.704327231
          },
          {
            "average": 2.788714204,
            "count": 17870676,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.849825823,
            "variance": 3.421855574
          },
          {
            "average": 0.5070467955,
            "count": 17870676,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4999503542,
            "variance": 0.2499503567
          },
          {
            "average": 0.002441038045,
            "count": 17870676,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04934652484,
            "variance": 0.002435079514
          },
          {
            "average": 27.78479902,
            "count": 17870676,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.87503952,
            "variance": 435.7672752
          },
          {
            "average": -0.2234564369,
            "count": 17870676,
            "maximum": 23.22599983,
            "minimum": -24.3239994,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.51195956,
            "variance": 182.5730511
          },
          {
            "average": 0.8220010256,
            "count": 17870676,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8810300758,
            "variance": 0.7762139945
          },
          {
            "average": 91.67888736,
            "count": 17870676,
            "maximum": 814,
            "minimum": 72,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 15.0737368,
            "variance": 227.217541
          },
          {
            "average": 232367720.4,
            "count": 17870676,
            "maximum": 242819611.8,
            "minimum": 232127929.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 204466.9902,
            "variance": 41806750070.0
          },
          {
            "average": 0.8219961013,
            "count": 17870676,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8810318755,
            "variance": 0.7762171657
          },
          {
            "average": 0,
            "count": 17870676,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17870676,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2293902592,
            "count": 17870676,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4204406951,
            "variance": 0.1767703781
          },
          {
            "average": 0,
            "count": 17870676,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693299.9903,
          2045499.979,
          -113.6209382,
          694300.0103,
          2046499.999,
          573.2590618
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693299.9903122243,
                2045499.9793196341,
                -113.62093815664338
              ],
              [
                693299.9903122243,
                2046499.9993196342,
                -113.62093815664338
              ],
              [
                694300.0103122243,
                2046499.9993196342,
                573.2590618433567
              ],
              [
                694300.0103122243,
                2045499.9793196341,
                573.2590618433567
              ],
              [
                693299.9903122243,
                2045499.9793196341,
                -113.62093815664338
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:40:11+00:00",
        "end_time": "2019-01-21T17:45:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_693300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_693300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_693300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_693300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16916375,
            18.49100746,
            -113.6209382,
            -67.15959916,
            18.50013299,
            573.2590618
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16916374821932,
                  18.491099277820513,
                  -113.62093815664338
                ],
                [
                  -67.16906773304555,
                  18.5001329917147,
                  -113.62093815664338
                ],
                [
                  -67.1595991649274,
                  18.500041123428897,
                  573.2590618433567
                ],
                [
                  -67.15969567595705,
                  18.491007457551834,
                  573.2590618433567
                ],
                [
                  -67.16916374821932,
                  18.491099277820513,
                  -113.62093815664338
                ]
              ]
            ]
          },
          "id": "20190121_693300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_693300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:40:11Z",
            "pc:count": 17870676,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693915.4923,
                "count": 17870676,
                "maximum": 694300.0103,
                "minimum": 693299.9903,
                "name": "X",
                "position": 0,
                "stddev": 271.137037,
                "variance": 73515.29285
              },
              {
                "average": 2045859.229,
                "count": 17870676,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 259.8482494,
                "variance": 67521.11274
              },
              {
                "average": -4.40612938,
                "count": 17870676,
                "maximum": 573.2590618,
                "minimum": -113.6209382,
                "name": "Z",
                "position": 2,
                "stddev": 11.07793054,
                "variance": 122.720545
              },
              {
                "average": 406.2052789,
                "count": 17870676,
                "maximum": 4046,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 439.048871,
                "variance": 192763.9111
              },
              {
                "average": 1.893835409,
                "count": 17870676,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.305498844,
                "variance": 1.704327231
              },
              {
                "average": 2.788714204,
                "count": 17870676,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.849825823,
                "variance": 3.421855574
              },
              {
                "average": 0.5070467955,
                "count": 17870676,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4999503542,
                "variance": 0.2499503567
              },
              {
                "average": 0.002441038045,
                "count": 17870676,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04934652484,
                "variance": 0.002435079514
              },
              {
                "average": 27.78479902,
                "count": 17870676,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.87503952,
                "variance": 435.7672752
              },
              {
                "average": -0.2234564369,
                "count": 17870676,
                "maximum": 23.22599983,
                "minimum": -24.3239994,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.51195956,
                "variance": 182.5730511
              },
              {
                "average": 0.8220010256,
                "count": 17870676,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8810300758,
                "variance": 0.7762139945
              },
              {
                "average": 91.67888736,
                "count": 17870676,
                "maximum": 814,
                "minimum": 72,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 15.0737368,
                "variance": 227.217541
              },
              {
                "average": 232367720.4,
                "count": 17870676,
                "maximum": 242819611.8,
                "minimum": 232127929.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 204466.9902,
                "variance": 41806750070.0
              },
              {
                "average": 0.8219961013,
                "count": 17870676,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8810318755,
                "variance": 0.7762171657
              },
              {
                "average": 0,
                "count": 17870676,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17870676,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2293902592,
                "count": 17870676,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4204406951,
                "variance": 0.1767703781
              },
              {
                "average": 0,
                "count": 17870676,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693299.9903,
              2045499.979,
              -113.6209382,
              694300.0103,
              2046499.999,
              573.2590618
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693299.9903122243,
                    2045499.9793196341,
                    -113.62093815664338
                  ],
                  [
                    693299.9903122243,
                    2046499.9993196342,
                    -113.62093815664338
                  ],
                  [
                    694300.0103122243,
                    2046499.9993196342,
                    573.2590618433567
                  ],
                  [
                    694300.0103122243,
                    2045499.9793196341,
                    573.2590618433567
                  ],
                  [
                    693299.9903122243,
                    2045499.9793196341,
                    -113.62093815664338
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:40:11+00:00",
            "end_time": "2019-01-21T17:45:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_721300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.90397503961212,
              18.497381725075353,
              -113.41200339704909
            ],
            [
              -66.9039265200229,
              18.501367947095662,
              -113.41200339704909
            ],
            [
              -66.8944593982848,
              18.501262808271296,
              537.7479966029509
            ],
            [
              -66.89450813662368,
              18.497276610499004,
              537.7479966029509
            ],
            [
              -66.90397503961212,
              18.497381725075353,
              -113.41200339704909
            ]
          ]
        ]
      },
      "bbox": [
        -66.90397504,
        18.49727661,
        -113.4120034,
        -66.8944594,
        18.50136795,
        537.7479966
      ],
      "properties": {
        "datetime": "2019-01-21T19:27:44Z",
        "pc:count": 2122176,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 721794.9057,
            "count": 2122176,
            "maximum": 722300.0153,
            "minimum": 721299.9953,
            "name": "X",
            "position": 0,
            "stddev": 291.0830644,
            "variance": 84729.35037
          },
          {
            "average": 2046676.115,
            "count": 2122176,
            "maximum": 2046941.322,
            "minimum": 2046499.982,
            "name": "Y",
            "position": 1,
            "stddev": 121.7770172,
            "variance": 14829.64191
          },
          {
            "average": 0.1533004373,
            "count": 2122176,
            "maximum": 537.7479966,
            "minimum": -113.4120034,
            "name": "Z",
            "position": 2,
            "stddev": 10.80406666,
            "variance": 116.7278564
          },
          {
            "average": 764.1555446,
            "count": 2122176,
            "maximum": 2915,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 522.4914091,
            "variance": 272997.2726
          },
          {
            "average": 1.020363533,
            "count": 2122176,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1442935051,
            "variance": 0.02082061561
          },
          {
            "average": 1.040742615,
            "count": 2122176,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2041775943,
            "variance": 0.04168849
          },
          {
            "average": 0.3978223295,
            "count": 2122176,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4894485024,
            "variance": 0.2395598365
          },
          {
            "average": 0.006848159625,
            "count": 2122176,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08246978562,
            "variance": 0.006801265539
          },
          {
            "average": 18.99130798,
            "count": 2122176,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.51243868,
            "variance": 462.785018
          },
          {
            "average": 3.011459406,
            "count": 2122176,
            "maximum": 21.43199921,
            "minimum": -23.60400009,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.77289451,
            "variance": 163.1468342
          },
          {
            "average": 1.002332983,
            "count": 2122176,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.098491443,
            "variance": 1.206683449
          },
          {
            "average": 86.23754816,
            "count": 2122176,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.425580916,
            "variance": 0.181119116
          },
          {
            "average": 232133587.8,
            "count": 2122176,
            "maximum": 232134064,
            "minimum": 232133432.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 260.3574901,
            "variance": 67786.02264
          },
          {
            "average": 1.002332983,
            "count": 2122176,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.098491443,
            "variance": 1.206683449
          },
          {
            "average": 0,
            "count": 2122176,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2122176,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1855359782,
            "count": 2122176,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3887318487,
            "variance": 0.1511124502
          },
          {
            "average": 0,
            "count": 2122176,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          721299.9953,
          2046499.982,
          -113.4120034,
          722300.0153,
          2046941.322,
          537.7479966
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                721299.9953261125,
                2046499.9815175799,
                -113.41200339704909
              ],
              [
                721299.9953261125,
                2046941.3215175797,
                -113.41200339704909
              ],
              [
                722300.0153261125,
                2046941.3215175797,
                537.7479966029509
              ],
              [
                722300.0153261125,
                2046499.9815175799,
                537.7479966029509
              ],
              [
                721299.9953261125,
                2046499.9815175799,
                -113.41200339704909
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:27:44+00:00",
        "end_time": "2019-01-21T19:17:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_721300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_721300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_721300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.90397504,
            18.49727661,
            -113.4120034,
            -66.8944594,
            18.50136795,
            537.7479966
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.90397503961212,
                  18.497381725075353,
                  -113.41200339704909
                ],
                [
                  -66.9039265200229,
                  18.501367947095662,
                  -113.41200339704909
                ],
                [
                  -66.8944593982848,
                  18.501262808271296,
                  537.7479966029509
                ],
                [
                  -66.89450813662368,
                  18.497276610499004,
                  537.7479966029509
                ],
                [
                  -66.90397503961212,
                  18.497381725075353,
                  -113.41200339704909
                ]
              ]
            ]
          },
          "id": "20190121_721300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:27:44Z",
            "pc:count": 2122176,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 721794.9057,
                "count": 2122176,
                "maximum": 722300.0153,
                "minimum": 721299.9953,
                "name": "X",
                "position": 0,
                "stddev": 291.0830644,
                "variance": 84729.35037
              },
              {
                "average": 2046676.115,
                "count": 2122176,
                "maximum": 2046941.322,
                "minimum": 2046499.982,
                "name": "Y",
                "position": 1,
                "stddev": 121.7770172,
                "variance": 14829.64191
              },
              {
                "average": 0.1533004373,
                "count": 2122176,
                "maximum": 537.7479966,
                "minimum": -113.4120034,
                "name": "Z",
                "position": 2,
                "stddev": 10.80406666,
                "variance": 116.7278564
              },
              {
                "average": 764.1555446,
                "count": 2122176,
                "maximum": 2915,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 522.4914091,
                "variance": 272997.2726
              },
              {
                "average": 1.020363533,
                "count": 2122176,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1442935051,
                "variance": 0.02082061561
              },
              {
                "average": 1.040742615,
                "count": 2122176,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2041775943,
                "variance": 0.04168849
              },
              {
                "average": 0.3978223295,
                "count": 2122176,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4894485024,
                "variance": 0.2395598365
              },
              {
                "average": 0.006848159625,
                "count": 2122176,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08246978562,
                "variance": 0.006801265539
              },
              {
                "average": 18.99130798,
                "count": 2122176,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.51243868,
                "variance": 462.785018
              },
              {
                "average": 3.011459406,
                "count": 2122176,
                "maximum": 21.43199921,
                "minimum": -23.60400009,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.77289451,
                "variance": 163.1468342
              },
              {
                "average": 1.002332983,
                "count": 2122176,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.098491443,
                "variance": 1.206683449
              },
              {
                "average": 86.23754816,
                "count": 2122176,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.425580916,
                "variance": 0.181119116
              },
              {
                "average": 232133587.8,
                "count": 2122176,
                "maximum": 232134064,
                "minimum": 232133432.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 260.3574901,
                "variance": 67786.02264
              },
              {
                "average": 1.002332983,
                "count": 2122176,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.098491443,
                "variance": 1.206683449
              },
              {
                "average": 0,
                "count": 2122176,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2122176,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1855359782,
                "count": 2122176,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3887318487,
                "variance": 0.1511124502
              },
              {
                "average": 0,
                "count": 2122176,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              721299.9953,
              2046499.982,
              -113.4120034,
              722300.0153,
              2046941.322,
              537.7479966
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    721299.9953261125,
                    2046499.9815175799,
                    -113.41200339704909
                  ],
                  [
                    721299.9953261125,
                    2046941.3215175797,
                    -113.41200339704909
                  ],
                  [
                    722300.0153261125,
                    2046941.3215175797,
                    537.7479966029509
                  ],
                  [
                    722300.0153261125,
                    2046499.9815175799,
                    537.7479966029509
                  ],
                  [
                    721299.9953261125,
                    2046499.9815175799,
                    -113.41200339704909
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:27:44+00:00",
            "end_time": "2019-01-21T19:17:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_694300e_2043500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15998501301554,
              18.463906949992577,
              -141.081960071318
            ],
            [
              -67.15988866875459,
              18.4729406431451,
              -141.081960071318
            ],
            [
              -67.15286767877286,
              18.4728723129749,
              545.138039928682
            ],
            [
              -67.15296439012918,
              18.463838655581952,
              545.138039928682
            ],
            [
              -67.15998501301554,
              18.463906949992577,
              -141.081960071318
            ]
          ]
        ]
      },
      "bbox": [
        -67.15998501,
        18.46383866,
        -141.0819601,
        -67.15286768,
        18.47294064,
        545.1380399
      ],
      "properties": {
        "datetime": "2019-01-27T14:29:06Z",
        "pc:count": 14056592,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694570.6872,
            "count": 14056592,
            "maximum": 695041.6352,
            "minimum": 694299.9952,
            "name": "X",
            "position": 0,
            "stddev": 167.0649746,
            "variance": 27910.70573
          },
          {
            "average": 2043029.507,
            "count": 14056592,
            "maximum": 2043499.999,
            "minimum": 2042499.979,
            "name": "Y",
            "position": 1,
            "stddev": 286.4006217,
            "variance": 82025.3161
          },
          {
            "average": 63.63402616,
            "count": 14056592,
            "maximum": 545.1380399,
            "minimum": -141.0819601,
            "name": "Z",
            "position": 2,
            "stddev": 16.50613891,
            "variance": 272.4526216
          },
          {
            "average": 1513.977409,
            "count": 14056592,
            "maximum": 4741,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 543.0099215,
            "variance": 294859.7749
          },
          {
            "average": 1.801445187,
            "count": 14056592,
            "maximum": 12,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.3056385,
            "variance": 1.704691893
          },
          {
            "average": 2.603096327,
            "count": 14056592,
            "maximum": 14,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.915975565,
            "variance": 3.670962366
          },
          {
            "average": 0.3357902826,
            "count": 14056592,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4722660104,
            "variance": 0.2230351846
          },
          {
            "average": 0.001368681683,
            "count": 14056592,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03697037315,
            "variance": 0.001366808491
          },
          {
            "average": 1.208638054,
            "count": 14056592,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5097055527,
            "variance": 0.2597997504
          },
          {
            "average": 2.911393402,
            "count": 14056592,
            "maximum": 20.80200005,
            "minimum": -22.20000076,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.10764466,
            "variance": 171.8103487
          },
          {
            "average": 1.135391708,
            "count": 14056592,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.202281303,
            "variance": 1.445480331
          },
          {
            "average": 109.4036753,
            "count": 14056592,
            "maximum": 110,
            "minimum": 108,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6582529874,
            "variance": 0.4332969954
          },
          {
            "average": 232625662.4,
            "count": 14056592,
            "maximum": 232634546.1,
            "minimum": 232543570.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 26794.1912,
            "variance": 717928682.1
          },
          {
            "average": 1.135391708,
            "count": 14056592,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.202281303,
            "variance": 1.445480331
          },
          {
            "average": 0,
            "count": 14056592,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14056592,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.233074418,
            "count": 14056592,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4227892459,
            "variance": 0.1787507464
          },
          {
            "average": 0,
            "count": 14056592,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9952,
          2042499.979,
          -141.0819601,
          695041.6352,
          2043499.999,
          545.1380399
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9951725776,
                2042499.9794555472,
                -141.081960071318
              ],
              [
                694299.9951725776,
                2043499.9994555472,
                -141.081960071318
              ],
              [
                695041.6351725775,
                2043499.9994555472,
                545.138039928682
              ],
              [
                695041.6351725775,
                2042499.9794555472,
                545.138039928682
              ],
              [
                694299.9951725776,
                2042499.9794555472,
                -141.081960071318
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:29:06+00:00",
        "end_time": "2019-01-26T13:12:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_694300e_2043500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_694300e_2043500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_694300e_2043500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_694300e_2043500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15998501,
            18.46383866,
            -141.0819601,
            -67.15286768,
            18.47294064,
            545.1380399
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15998501301554,
                  18.463906949992577,
                  -141.081960071318
                ],
                [
                  -67.15988866875459,
                  18.4729406431451,
                  -141.081960071318
                ],
                [
                  -67.15286767877286,
                  18.4728723129749,
                  545.138039928682
                ],
                [
                  -67.15296439012918,
                  18.463838655581952,
                  545.138039928682
                ],
                [
                  -67.15998501301554,
                  18.463906949992577,
                  -141.081960071318
                ]
              ]
            ]
          },
          "id": "20190126_694300e_2043500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_694300e_2043500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:29:06Z",
            "pc:count": 14056592,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694570.6872,
                "count": 14056592,
                "maximum": 695041.6352,
                "minimum": 694299.9952,
                "name": "X",
                "position": 0,
                "stddev": 167.0649746,
                "variance": 27910.70573
              },
              {
                "average": 2043029.507,
                "count": 14056592,
                "maximum": 2043499.999,
                "minimum": 2042499.979,
                "name": "Y",
                "position": 1,
                "stddev": 286.4006217,
                "variance": 82025.3161
              },
              {
                "average": 63.63402616,
                "count": 14056592,
                "maximum": 545.1380399,
                "minimum": -141.0819601,
                "name": "Z",
                "position": 2,
                "stddev": 16.50613891,
                "variance": 272.4526216
              },
              {
                "average": 1513.977409,
                "count": 14056592,
                "maximum": 4741,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 543.0099215,
                "variance": 294859.7749
              },
              {
                "average": 1.801445187,
                "count": 14056592,
                "maximum": 12,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.3056385,
                "variance": 1.704691893
              },
              {
                "average": 2.603096327,
                "count": 14056592,
                "maximum": 14,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.915975565,
                "variance": 3.670962366
              },
              {
                "average": 0.3357902826,
                "count": 14056592,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4722660104,
                "variance": 0.2230351846
              },
              {
                "average": 0.001368681683,
                "count": 14056592,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03697037315,
                "variance": 0.001366808491
              },
              {
                "average": 1.208638054,
                "count": 14056592,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5097055527,
                "variance": 0.2597997504
              },
              {
                "average": 2.911393402,
                "count": 14056592,
                "maximum": 20.80200005,
                "minimum": -22.20000076,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.10764466,
                "variance": 171.8103487
              },
              {
                "average": 1.135391708,
                "count": 14056592,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.202281303,
                "variance": 1.445480331
              },
              {
                "average": 109.4036753,
                "count": 14056592,
                "maximum": 110,
                "minimum": 108,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6582529874,
                "variance": 0.4332969954
              },
              {
                "average": 232625662.4,
                "count": 14056592,
                "maximum": 232634546.1,
                "minimum": 232543570.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 26794.1912,
                "variance": 717928682.1
              },
              {
                "average": 1.135391708,
                "count": 14056592,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.202281303,
                "variance": 1.445480331
              },
              {
                "average": 0,
                "count": 14056592,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14056592,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.233074418,
                "count": 14056592,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4227892459,
                "variance": 0.1787507464
              },
              {
                "average": 0,
                "count": 14056592,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9952,
              2042499.979,
              -141.0819601,
              695041.6352,
              2043499.999,
              545.1380399
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9951725776,
                    2042499.9794555472,
                    -141.081960071318
                  ],
                  [
                    694299.9951725776,
                    2043499.9994555472,
                    -141.081960071318
                  ],
                  [
                    695041.6351725775,
                    2043499.9994555472,
                    545.138039928682
                  ],
                  [
                    695041.6351725775,
                    2042499.9794555472,
                    545.138039928682
                  ],
                  [
                    694299.9951725776,
                    2042499.9794555472,
                    -141.081960071318
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:29:06+00:00",
            "end_time": "2019-01-26T13:12:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_716300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.95148108502916,
              18.483477438050354,
              -108.8060243165418
            ],
            [
              -66.95141700986453,
              18.488867958658417,
              -108.8060243165418
            ],
            [
              -66.94195028863113,
              18.488765262442023,
              563.8939756834583
            ],
            [
              -66.94201465938563,
              18.48337477388087,
              563.8939756834583
            ],
            [
              -66.95148108502916,
              18.483477438050354,
              -108.8060243165418
            ]
          ]
        ]
      },
      "bbox": [
        -66.95148109,
        18.48337477,
        -108.8060243,
        -66.94195029,
        18.48886796,
        563.8939757
      ],
      "properties": {
        "datetime": "2019-01-21T20:09:46Z",
        "pc:count": 13115897,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 716792.5093,
            "count": 13115897,
            "maximum": 717300.0105,
            "minimum": 716299.9905,
            "name": "X",
            "position": 0,
            "stddev": 284.9949327,
            "variance": 81222.11164
          },
          {
            "average": 2045225.044,
            "count": 13115897,
            "maximum": 2045499.996,
            "minimum": 2044903.196,
            "name": "Y",
            "position": 1,
            "stddev": 153.6477549,
            "variance": 23607.63257
          },
          {
            "average": 92.52730748,
            "count": 13115897,
            "maximum": 563.8939757,
            "minimum": -108.8060243,
            "name": "Z",
            "position": 2,
            "stddev": 20.42457964,
            "variance": 417.1634534
          },
          {
            "average": 1450.874189,
            "count": 13115897,
            "maximum": 4732,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 553.4101279,
            "variance": 306262.7696
          },
          {
            "average": 1.973260083,
            "count": 13115897,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.375167031,
            "variance": 1.891084363
          },
          {
            "average": 2.94625034,
            "count": 13115897,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.937000819,
            "variance": 3.751972174
          },
          {
            "average": 0.3154173138,
            "count": 13115897,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4646818787,
            "variance": 0.2159292484
          },
          {
            "average": 0.001223019668,
            "count": 13115897,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03495030736,
            "variance": 0.001221523984
          },
          {
            "average": 1.187307662,
            "count": 13115897,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.6125552294,
            "variance": 0.3752239091
          },
          {
            "average": -1.387353813,
            "count": 13115897,
            "maximum": 23.63400078,
            "minimum": -24.72599983,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.09839837,
            "variance": 171.5680398
          },
          {
            "average": 1.125600941,
            "count": 13115897,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.216137669,
            "variance": 1.478990829
          },
          {
            "average": 91.59113387,
            "count": 13115897,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5116423549,
            "variance": 0.2617778994
          },
          {
            "average": 232136446.7,
            "count": 13115897,
            "maximum": 232136586.9,
            "minimum": 232135550.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 173.8736898,
            "variance": 30232.06001
          },
          {
            "average": 1.125600941,
            "count": 13115897,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.216137669,
            "variance": 1.478990829
          },
          {
            "average": 0,
            "count": 13115897,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13115897,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1912057559,
            "count": 13115897,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3932507172,
            "variance": 0.1546461266
          },
          {
            "average": 0,
            "count": 13115897,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          716299.9905,
          2044903.196,
          -108.8060243,
          717300.0105,
          2045499.996,
          563.8939757
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                716299.9905229863,
                2044903.195993871,
                -108.8060243165418
              ],
              [
                716299.9905229863,
                2045499.9959938708,
                -108.8060243165418
              ],
              [
                717300.0105229863,
                2045499.9959938708,
                563.8939756834583
              ],
              [
                717300.0105229863,
                2044903.195993871,
                563.8939756834583
              ],
              [
                716299.9905229863,
                2044903.195993871,
                -108.8060243165418
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:09:46+00:00",
        "end_time": "2019-01-21T19:52:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_716300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_716300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_716300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_716300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.95148109,
            18.48337477,
            -108.8060243,
            -66.94195029,
            18.48886796,
            563.8939757
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.95148108502916,
                  18.483477438050354,
                  -108.8060243165418
                ],
                [
                  -66.95141700986453,
                  18.488867958658417,
                  -108.8060243165418
                ],
                [
                  -66.94195028863113,
                  18.488765262442023,
                  563.8939756834583
                ],
                [
                  -66.94201465938563,
                  18.48337477388087,
                  563.8939756834583
                ],
                [
                  -66.95148108502916,
                  18.483477438050354,
                  -108.8060243165418
                ]
              ]
            ]
          },
          "id": "20190121_716300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_716300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:09:46Z",
            "pc:count": 13115897,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 716792.5093,
                "count": 13115897,
                "maximum": 717300.0105,
                "minimum": 716299.9905,
                "name": "X",
                "position": 0,
                "stddev": 284.9949327,
                "variance": 81222.11164
              },
              {
                "average": 2045225.044,
                "count": 13115897,
                "maximum": 2045499.996,
                "minimum": 2044903.196,
                "name": "Y",
                "position": 1,
                "stddev": 153.6477549,
                "variance": 23607.63257
              },
              {
                "average": 92.52730748,
                "count": 13115897,
                "maximum": 563.8939757,
                "minimum": -108.8060243,
                "name": "Z",
                "position": 2,
                "stddev": 20.42457964,
                "variance": 417.1634534
              },
              {
                "average": 1450.874189,
                "count": 13115897,
                "maximum": 4732,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 553.4101279,
                "variance": 306262.7696
              },
              {
                "average": 1.973260083,
                "count": 13115897,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.375167031,
                "variance": 1.891084363
              },
              {
                "average": 2.94625034,
                "count": 13115897,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.937000819,
                "variance": 3.751972174
              },
              {
                "average": 0.3154173138,
                "count": 13115897,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4646818787,
                "variance": 0.2159292484
              },
              {
                "average": 0.001223019668,
                "count": 13115897,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03495030736,
                "variance": 0.001221523984
              },
              {
                "average": 1.187307662,
                "count": 13115897,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.6125552294,
                "variance": 0.3752239091
              },
              {
                "average": -1.387353813,
                "count": 13115897,
                "maximum": 23.63400078,
                "minimum": -24.72599983,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.09839837,
                "variance": 171.5680398
              },
              {
                "average": 1.125600941,
                "count": 13115897,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.216137669,
                "variance": 1.478990829
              },
              {
                "average": 91.59113387,
                "count": 13115897,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5116423549,
                "variance": 0.2617778994
              },
              {
                "average": 232136446.7,
                "count": 13115897,
                "maximum": 232136586.9,
                "minimum": 232135550.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 173.8736898,
                "variance": 30232.06001
              },
              {
                "average": 1.125600941,
                "count": 13115897,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.216137669,
                "variance": 1.478990829
              },
              {
                "average": 0,
                "count": 13115897,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13115897,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1912057559,
                "count": 13115897,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3932507172,
                "variance": 0.1546461266
              },
              {
                "average": 0,
                "count": 13115897,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              716299.9905,
              2044903.196,
              -108.8060243,
              717300.0105,
              2045499.996,
              563.8939757
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    716299.9905229863,
                    2044903.195993871,
                    -108.8060243165418
                  ],
                  [
                    716299.9905229863,
                    2045499.9959938708,
                    -108.8060243165418
                  ],
                  [
                    717300.0105229863,
                    2045499.9959938708,
                    563.8939756834583
                  ],
                  [
                    717300.0105229863,
                    2044903.195993871,
                    563.8939756834583
                  ],
                  [
                    716299.9905229863,
                    2044903.195993871,
                    -108.8060243165418
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:09:46+00:00",
            "end_time": "2019-01-21T19:52:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_720300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.91344181181641,
              18.497486392492398,
              -111.42642495423078
            ],
            [
              -66.91339521847318,
              18.501331737245128,
              -111.42642495423078
            ],
            [
              -66.90392804113807,
              18.501227072286643,
              535.1135750457692
            ],
            [
              -66.90397484550442,
              18.49738175081962,
              535.1135750457692
            ],
            [
              -66.91344181181641,
              18.497486392492398,
              -111.42642495423078
            ]
          ]
        ]
      },
      "bbox": [
        -66.91344181,
        18.49738175,
        -111.426425,
        -66.90392804,
        18.50133174,
        535.113575
      ],
      "properties": {
        "datetime": "2019-01-21T19:27:59Z",
        "pc:count": 2107393,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 720802.493,
            "count": 2107393,
            "maximum": 721300.0158,
            "minimum": 720299.9958,
            "name": "X",
            "position": 0,
            "stddev": 291.3757463,
            "variance": 84899.82551
          },
          {
            "average": 2046673.659,
            "count": 2107393,
            "maximum": 2046925.725,
            "minimum": 2046499.985,
            "name": "Y",
            "position": 1,
            "stddev": 109.816057,
            "variance": 12059.56638
          },
          {
            "average": 0.146068463,
            "count": 2107393,
            "maximum": 535.113575,
            "minimum": -111.426425,
            "name": "Z",
            "position": 2,
            "stddev": 10.27139831,
            "variance": 105.5016232
          },
          {
            "average": 774.4163281,
            "count": 2107393,
            "maximum": 2895,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 523.0294235,
            "variance": 273559.7779
          },
          {
            "average": 1.022198517,
            "count": 2107393,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.150886648,
            "variance": 0.02276678053
          },
          {
            "average": 1.04442598,
            "count": 2107393,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2135978126,
            "variance": 0.04562402555
          },
          {
            "average": 0.4104848977,
            "count": 2107393,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4919219057,
            "variance": 0.2419871613
          },
          {
            "average": 0.005050790242,
            "count": 2107393,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07088922446,
            "variance": 0.005025282144
          },
          {
            "average": 20.69124886,
            "count": 2107393,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.74766454,
            "variance": 472.9609128
          },
          {
            "average": 2.05526935,
            "count": 2107393,
            "maximum": 23.31599998,
            "minimum": -22.77599907,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.20328024,
            "variance": 148.9200485
          },
          {
            "average": 1.011198671,
            "count": 2107393,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.090918892,
            "variance": 1.19010403
          },
          {
            "average": 86.27388152,
            "count": 2107393,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4459490193,
            "variance": 0.1988705278
          },
          {
            "average": 232133603.4,
            "count": 2107393,
            "maximum": 232134079.1,
            "minimum": 232133417.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 286.306833,
            "variance": 81971.60262
          },
          {
            "average": 1.011198671,
            "count": 2107393,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.090918892,
            "variance": 1.19010403
          },
          {
            "average": 0,
            "count": 2107393,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2107393,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1145941929,
            "count": 2107393,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3185316499,
            "variance": 0.101462412
          },
          {
            "average": 0,
            "count": 2107393,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          720299.9958,
          2046499.985,
          -111.426425,
          721300.0158,
          2046925.725,
          535.113575
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                720299.9957944204,
                2046499.9846055582,
                -111.42642495423078
              ],
              [
                720299.9957944204,
                2046925.7246055584,
                -111.42642495423078
              ],
              [
                721300.0157944204,
                2046925.7246055584,
                535.1135750457692
              ],
              [
                721300.0157944204,
                2046499.9846055582,
                535.1135750457692
              ],
              [
                720299.9957944204,
                2046499.9846055582,
                -111.42642495423078
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:27:59+00:00",
        "end_time": "2019-01-21T19:16:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_720300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_720300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_720300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.91344181,
            18.49738175,
            -111.426425,
            -66.90392804,
            18.50133174,
            535.113575
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.91344181181641,
                  18.497486392492398,
                  -111.42642495423078
                ],
                [
                  -66.91339521847318,
                  18.501331737245128,
                  -111.42642495423078
                ],
                [
                  -66.90392804113807,
                  18.501227072286643,
                  535.1135750457692
                ],
                [
                  -66.90397484550442,
                  18.49738175081962,
                  535.1135750457692
                ],
                [
                  -66.91344181181641,
                  18.497486392492398,
                  -111.42642495423078
                ]
              ]
            ]
          },
          "id": "20190121_720300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:27:59Z",
            "pc:count": 2107393,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 720802.493,
                "count": 2107393,
                "maximum": 721300.0158,
                "minimum": 720299.9958,
                "name": "X",
                "position": 0,
                "stddev": 291.3757463,
                "variance": 84899.82551
              },
              {
                "average": 2046673.659,
                "count": 2107393,
                "maximum": 2046925.725,
                "minimum": 2046499.985,
                "name": "Y",
                "position": 1,
                "stddev": 109.816057,
                "variance": 12059.56638
              },
              {
                "average": 0.146068463,
                "count": 2107393,
                "maximum": 535.113575,
                "minimum": -111.426425,
                "name": "Z",
                "position": 2,
                "stddev": 10.27139831,
                "variance": 105.5016232
              },
              {
                "average": 774.4163281,
                "count": 2107393,
                "maximum": 2895,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 523.0294235,
                "variance": 273559.7779
              },
              {
                "average": 1.022198517,
                "count": 2107393,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.150886648,
                "variance": 0.02276678053
              },
              {
                "average": 1.04442598,
                "count": 2107393,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2135978126,
                "variance": 0.04562402555
              },
              {
                "average": 0.4104848977,
                "count": 2107393,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4919219057,
                "variance": 0.2419871613
              },
              {
                "average": 0.005050790242,
                "count": 2107393,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07088922446,
                "variance": 0.005025282144
              },
              {
                "average": 20.69124886,
                "count": 2107393,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.74766454,
                "variance": 472.9609128
              },
              {
                "average": 2.05526935,
                "count": 2107393,
                "maximum": 23.31599998,
                "minimum": -22.77599907,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.20328024,
                "variance": 148.9200485
              },
              {
                "average": 1.011198671,
                "count": 2107393,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.090918892,
                "variance": 1.19010403
              },
              {
                "average": 86.27388152,
                "count": 2107393,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4459490193,
                "variance": 0.1988705278
              },
              {
                "average": 232133603.4,
                "count": 2107393,
                "maximum": 232134079.1,
                "minimum": 232133417.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 286.306833,
                "variance": 81971.60262
              },
              {
                "average": 1.011198671,
                "count": 2107393,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.090918892,
                "variance": 1.19010403
              },
              {
                "average": 0,
                "count": 2107393,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2107393,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1145941929,
                "count": 2107393,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3185316499,
                "variance": 0.101462412
              },
              {
                "average": 0,
                "count": 2107393,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              720299.9958,
              2046499.985,
              -111.426425,
              721300.0158,
              2046925.725,
              535.113575
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    720299.9957944204,
                    2046499.9846055582,
                    -111.42642495423078
                  ],
                  [
                    720299.9957944204,
                    2046925.7246055584,
                    -111.42642495423078
                  ],
                  [
                    721300.0157944204,
                    2046925.7246055584,
                    535.1135750457692
                  ],
                  [
                    721300.0157944204,
                    2046499.9846055582,
                    535.1135750457692
                  ],
                  [
                    720299.9957944204,
                    2046499.9846055582,
                    -111.42642495423078
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:27:59+00:00",
            "end_time": "2019-01-21T19:16:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_721300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.90421175570977,
              18.477913738059627,
              -96.81591562594069
            ],
            [
              -66.90419468972102,
              18.47931768922447,
              -96.81591562594069
            ],
            [
              -66.89472896663904,
              18.479212686618595,
              348.0440843740593
            ],
            [
              -66.89474610956798,
              18.477808743991748,
              348.0440843740593
            ],
            [
              -66.90421175570977,
              18.477913738059627,
              -96.81591562594069
            ]
          ]
        ]
      },
      "bbox": [
        -66.90421176,
        18.47780874,
        -96.81591563,
        -66.89472897,
        18.47931769,
        348.0440844
      ],
      "properties": {
        "datetime": "2019-01-21T20:25:40Z",
        "pc:count": 2779486,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 721829.6893,
            "count": 2779486,
            "maximum": 722300.0024,
            "minimum": 721300.0024,
            "name": "X",
            "position": 0,
            "stddev": 265.476798,
            "variance": 70477.93028
          },
          {
            "average": 2044438.099,
            "count": 2779486,
            "maximum": 2044500,
            "minimum": 2044344.56,
            "name": "Y",
            "position": 1,
            "stddev": 35.6230622,
            "variance": 1269.002561
          },
          {
            "average": 46.85327897,
            "count": 2779486,
            "maximum": 348.0440844,
            "minimum": -96.81591563,
            "name": "Z",
            "position": 2,
            "stddev": 9.392840981,
            "variance": 88.22546169
          },
          {
            "average": 1330.384143,
            "count": 2779486,
            "maximum": 3137,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 523.7704941,
            "variance": 274335.5304
          },
          {
            "average": 2.203158066,
            "count": 2779486,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.508930884,
            "variance": 2.276872413
          },
          {
            "average": 3.402561481,
            "count": 2779486,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.044147134,
            "variance": 4.178537507
          },
          {
            "average": 0.4126543541,
            "count": 2779486,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4923117156,
            "variance": 0.2423708253
          },
          {
            "average": 0.00175643986,
            "count": 2779486,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04187308694,
            "variance": 0.00175335541
          },
          {
            "average": 1.22425837,
            "count": 2779486,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8305244144,
            "variance": 0.6897708029
          },
          {
            "average": 16.0887059,
            "count": 2779486,
            "maximum": 22.72800064,
            "minimum": 7.920000076,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.489556406,
            "variance": 12.17700391
          },
          {
            "average": 0.9121506638,
            "count": 2779486,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.038809337,
            "variance": 1.079124838
          },
          {
            "average": 95,
            "count": 2779486,
            "maximum": 95,
            "minimum": 95,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232137531.4,
            "count": 2779486,
            "maximum": 232137540.9,
            "minimum": 232137520.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.14427906,
            "variance": 17.17504893
          },
          {
            "average": 0.9121506638,
            "count": 2779486,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.038809337,
            "variance": 1.079124838
          },
          {
            "average": 0,
            "count": 2779486,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2779486,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.3268615132,
            "count": 2779486,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4690662465,
            "variance": 0.2200231436
          },
          {
            "average": 0,
            "count": 2779486,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          721300.0024,
          2044344.56,
          -96.81591563,
          722300.0024,
          2044500,
          348.0440844
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                721300.0024349557,
                2044344.5597654425,
                -96.81591562594069
              ],
              [
                721300.0024349557,
                2044499.9997654425,
                -96.81591562594069
              ],
              [
                722300.0024349557,
                2044499.9997654425,
                348.0440843740593
              ],
              [
                722300.0024349557,
                2044344.5597654425,
                348.0440843740593
              ],
              [
                721300.0024349557,
                2044344.5597654425,
                -96.81591562594069
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:25:40+00:00",
        "end_time": "2019-01-21T20:25:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_721300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_721300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_721300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.90421176,
            18.47780874,
            -96.81591563,
            -66.89472897,
            18.47931769,
            348.0440844
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.90421175570977,
                  18.477913738059627,
                  -96.81591562594069
                ],
                [
                  -66.90419468972102,
                  18.47931768922447,
                  -96.81591562594069
                ],
                [
                  -66.89472896663904,
                  18.479212686618595,
                  348.0440843740593
                ],
                [
                  -66.89474610956798,
                  18.477808743991748,
                  348.0440843740593
                ],
                [
                  -66.90421175570977,
                  18.477913738059627,
                  -96.81591562594069
                ]
              ]
            ]
          },
          "id": "20190121_721300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:25:40Z",
            "pc:count": 2779486,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 721829.6893,
                "count": 2779486,
                "maximum": 722300.0024,
                "minimum": 721300.0024,
                "name": "X",
                "position": 0,
                "stddev": 265.476798,
                "variance": 70477.93028
              },
              {
                "average": 2044438.099,
                "count": 2779486,
                "maximum": 2044500,
                "minimum": 2044344.56,
                "name": "Y",
                "position": 1,
                "stddev": 35.6230622,
                "variance": 1269.002561
              },
              {
                "average": 46.85327897,
                "count": 2779486,
                "maximum": 348.0440844,
                "minimum": -96.81591563,
                "name": "Z",
                "position": 2,
                "stddev": 9.392840981,
                "variance": 88.22546169
              },
              {
                "average": 1330.384143,
                "count": 2779486,
                "maximum": 3137,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 523.7704941,
                "variance": 274335.5304
              },
              {
                "average": 2.203158066,
                "count": 2779486,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.508930884,
                "variance": 2.276872413
              },
              {
                "average": 3.402561481,
                "count": 2779486,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.044147134,
                "variance": 4.178537507
              },
              {
                "average": 0.4126543541,
                "count": 2779486,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4923117156,
                "variance": 0.2423708253
              },
              {
                "average": 0.00175643986,
                "count": 2779486,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04187308694,
                "variance": 0.00175335541
              },
              {
                "average": 1.22425837,
                "count": 2779486,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8305244144,
                "variance": 0.6897708029
              },
              {
                "average": 16.0887059,
                "count": 2779486,
                "maximum": 22.72800064,
                "minimum": 7.920000076,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.489556406,
                "variance": 12.17700391
              },
              {
                "average": 0.9121506638,
                "count": 2779486,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.038809337,
                "variance": 1.079124838
              },
              {
                "average": 95,
                "count": 2779486,
                "maximum": 95,
                "minimum": 95,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232137531.4,
                "count": 2779486,
                "maximum": 232137540.9,
                "minimum": 232137520.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.14427906,
                "variance": 17.17504893
              },
              {
                "average": 0.9121506638,
                "count": 2779486,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.038809337,
                "variance": 1.079124838
              },
              {
                "average": 0,
                "count": 2779486,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2779486,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.3268615132,
                "count": 2779486,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4690662465,
                "variance": 0.2200231436
              },
              {
                "average": 0,
                "count": 2779486,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              721300.0024,
              2044344.56,
              -96.81591563,
              722300.0024,
              2044500,
              348.0440844
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    721300.0024349557,
                    2044344.5597654425,
                    -96.81591562594069
                  ],
                  [
                    721300.0024349557,
                    2044499.9997654425,
                    -96.81591562594069
                  ],
                  [
                    722300.0024349557,
                    2044499.9997654425,
                    348.0440843740593
                  ],
                  [
                    722300.0024349557,
                    2044344.5597654425,
                    348.0440843740593
                  ],
                  [
                    721300.0024349557,
                    2044344.5597654425,
                    -96.81591562594069
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:25:40+00:00",
            "end_time": "2019-01-21T20:25:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_690300e_2038500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.19766759766418,
              18.41909599892091,
              -87.27548530046732
            ],
            [
              -67.19757347127633,
              18.42812992462235,
              -87.27548530046732
            ],
            [
              -67.18876308027285,
              18.428046066399844,
              488.8445146995327
            ],
            [
              -67.18885766614564,
              18.419012184677452,
              488.8445146995327
            ],
            [
              -67.19766759766418,
              18.41909599892091,
              -87.27548530046732
            ]
          ]
        ]
      },
      "bbox": [
        -67.1976676,
        18.41901218,
        -87.2754853,
        -67.18876308,
        18.42812992,
        488.8445147
      ],
      "properties": {
        "datetime": "2019-01-26T12:37:14Z",
        "pc:count": 16004947,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 690957.1427,
            "count": 16004947,
            "maximum": 691300.0131,
            "minimum": 690369.1331,
            "name": "X",
            "position": 0,
            "stddev": 216.372686,
            "variance": 46817.13925
          },
          {
            "average": 2038029.716,
            "count": 16004947,
            "maximum": 2038500.004,
            "minimum": 2037499.984,
            "name": "Y",
            "position": 1,
            "stddev": 278.7783592,
            "variance": 77717.37353
          },
          {
            "average": -0.3005195889,
            "count": 16004947,
            "maximum": 488.8445147,
            "minimum": -87.2754853,
            "name": "Z",
            "position": 2,
            "stddev": 7.017452782,
            "variance": 49.24464355
          },
          {
            "average": 245.2050866,
            "count": 16004947,
            "maximum": 3744,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 381.3549104,
            "variance": 145431.5677
          },
          {
            "average": 1.752109645,
            "count": 16004947,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9749201549,
            "variance": 0.9504693084
          },
          {
            "average": 2.50447421,
            "count": 16004947,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.238348589,
            "variance": 1.533507227
          },
          {
            "average": 0.5379213689,
            "count": 16004947,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4985599115,
            "variance": 0.2485619853
          },
          {
            "average": 0.001720405572,
            "count": 16004947,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04144207867,
            "variance": 0.001717445884
          },
          {
            "average": 29.98129147,
            "count": 16004947,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.72863963,
            "variance": 429.6765008
          },
          {
            "average": -1.716021963,
            "count": 16004947,
            "maximum": 20.61599922,
            "minimum": -21.58799934,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.63279773,
            "variance": 185.8531739
          },
          {
            "average": 0.7743101555,
            "count": 16004947,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8046934523,
            "variance": 0.6475315521
          },
          {
            "average": 101.019687,
            "count": 16004947,
            "maximum": 103,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8520557501,
            "variance": 0.7259990013
          },
          {
            "average": 232540640.3,
            "count": 16004947,
            "maximum": 232541434.3,
            "minimum": 232540217.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 333.1856609,
            "variance": 111012.6846
          },
          {
            "average": 0.7743101555,
            "count": 16004947,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8046934523,
            "variance": 0.6475315521
          },
          {
            "average": 0,
            "count": 16004947,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16004947,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2618091769,
            "count": 16004947,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.439619317,
            "variance": 0.1932651439
          },
          {
            "average": 0,
            "count": 16004947,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          690369.1331,
          2037499.984,
          -87.2754853,
          691300.0131,
          2038500.004,
          488.8445147
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                690369.1331099647,
                2037499.9843865647,
                -87.27548530046732
              ],
              [
                690369.1331099647,
                2038500.0043865647,
                -87.27548530046732
              ],
              [
                691300.0131099646,
                2038500.0043865647,
                488.8445146995327
              ],
              [
                691300.0131099646,
                2037499.9843865647,
                488.8445146995327
              ],
              [
                690369.1331099647,
                2037499.9843865647,
                -87.27548530046732
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:37:14+00:00",
        "end_time": "2019-01-26T12:16:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_690300e_2038500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_690300e_2038500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_690300e_2038500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2038500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.1976676,
            18.41901218,
            -87.2754853,
            -67.18876308,
            18.42812992,
            488.8445147
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.19766759766418,
                  18.41909599892091,
                  -87.27548530046732
                ],
                [
                  -67.19757347127633,
                  18.42812992462235,
                  -87.27548530046732
                ],
                [
                  -67.18876308027285,
                  18.428046066399844,
                  488.8445146995327
                ],
                [
                  -67.18885766614564,
                  18.419012184677452,
                  488.8445146995327
                ],
                [
                  -67.19766759766418,
                  18.41909599892091,
                  -87.27548530046732
                ]
              ]
            ]
          },
          "id": "20190126_690300e_2038500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2038500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:37:14Z",
            "pc:count": 16004947,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 690957.1427,
                "count": 16004947,
                "maximum": 691300.0131,
                "minimum": 690369.1331,
                "name": "X",
                "position": 0,
                "stddev": 216.372686,
                "variance": 46817.13925
              },
              {
                "average": 2038029.716,
                "count": 16004947,
                "maximum": 2038500.004,
                "minimum": 2037499.984,
                "name": "Y",
                "position": 1,
                "stddev": 278.7783592,
                "variance": 77717.37353
              },
              {
                "average": -0.3005195889,
                "count": 16004947,
                "maximum": 488.8445147,
                "minimum": -87.2754853,
                "name": "Z",
                "position": 2,
                "stddev": 7.017452782,
                "variance": 49.24464355
              },
              {
                "average": 245.2050866,
                "count": 16004947,
                "maximum": 3744,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 381.3549104,
                "variance": 145431.5677
              },
              {
                "average": 1.752109645,
                "count": 16004947,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9749201549,
                "variance": 0.9504693084
              },
              {
                "average": 2.50447421,
                "count": 16004947,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.238348589,
                "variance": 1.533507227
              },
              {
                "average": 0.5379213689,
                "count": 16004947,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4985599115,
                "variance": 0.2485619853
              },
              {
                "average": 0.001720405572,
                "count": 16004947,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04144207867,
                "variance": 0.001717445884
              },
              {
                "average": 29.98129147,
                "count": 16004947,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.72863963,
                "variance": 429.6765008
              },
              {
                "average": -1.716021963,
                "count": 16004947,
                "maximum": 20.61599922,
                "minimum": -21.58799934,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.63279773,
                "variance": 185.8531739
              },
              {
                "average": 0.7743101555,
                "count": 16004947,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8046934523,
                "variance": 0.6475315521
              },
              {
                "average": 101.019687,
                "count": 16004947,
                "maximum": 103,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8520557501,
                "variance": 0.7259990013
              },
              {
                "average": 232540640.3,
                "count": 16004947,
                "maximum": 232541434.3,
                "minimum": 232540217.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 333.1856609,
                "variance": 111012.6846
              },
              {
                "average": 0.7743101555,
                "count": 16004947,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8046934523,
                "variance": 0.6475315521
              },
              {
                "average": 0,
                "count": 16004947,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16004947,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2618091769,
                "count": 16004947,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.439619317,
                "variance": 0.1932651439
              },
              {
                "average": 0,
                "count": 16004947,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              690369.1331,
              2037499.984,
              -87.2754853,
              691300.0131,
              2038500.004,
              488.8445147
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    690369.1331099647,
                    2037499.9843865647,
                    -87.27548530046732
                  ],
                  [
                    690369.1331099647,
                    2038500.0043865647,
                    -87.27548530046732
                  ],
                  [
                    691300.0131099646,
                    2038500.0043865647,
                    488.8445146995327
                  ],
                  [
                    691300.0131099646,
                    2037499.9843865647,
                    488.8445146995327
                  ],
                  [
                    690369.1331099647,
                    2037499.9843865647,
                    -87.27548530046732
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:37:14+00:00",
            "end_time": "2019-01-26T12:16:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_715300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.96088360579331,
              18.488970029354565,
              -125.79330452792465
            ],
            [
              -66.96077668522177,
              18.498002629777652,
              -125.79330452792465
            ],
            [
              -66.95130940657243,
              18.49790035283073,
              553.6666954720754
            ],
            [
              -66.95141682268799,
              18.488867805863816,
              553.6666954720754
            ],
            [
              -66.96088360579331,
              18.488970029354565,
              -125.79330452792465
            ]
          ]
        ]
      },
      "bbox": [
        -66.96088361,
        18.48886781,
        -125.7933045,
        -66.95130941,
        18.49800263,
        553.6666955
      ],
      "properties": {
        "datetime": "2019-01-21T20:04:54Z",
        "pc:count": 16957755,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 715796.1471,
            "count": 16957755,
            "maximum": 716300.0105,
            "minimum": 715299.9905,
            "name": "X",
            "position": 0,
            "stddev": 297.2262607,
            "variance": 88343.45008
          },
          {
            "average": 2045840.347,
            "count": 16957755,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 252.6966285,
            "variance": 63855.58606
          },
          {
            "average": -0.2015455303,
            "count": 16957755,
            "maximum": 553.6666955,
            "minimum": -125.7933045,
            "name": "Z",
            "position": 2,
            "stddev": 15.04532875,
            "variance": 226.3619172
          },
          {
            "average": 801.1066876,
            "count": 16957755,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 538.8486113,
            "variance": 290357.8259
          },
          {
            "average": 1.656479292,
            "count": 16957755,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.030555482,
            "variance": 1.062044601
          },
          {
            "average": 2.313945095,
            "count": 16957755,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.449544966,
            "variance": 2.101180607
          },
          {
            "average": 0.46940276,
            "count": 16957755,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4990629455,
            "variance": 0.2490638236
          },
          {
            "average": 0.001969246519,
            "count": 16957755,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0443324791,
            "variance": 0.001965368703
          },
          {
            "average": 25.20013693,
            "count": 16957755,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.21446735,
            "variance": 450.0536249
          },
          {
            "average": 3.484793676,
            "count": 16957755,
            "maximum": 26.56800079,
            "minimum": -26.81999969,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.12093122,
            "variance": 172.1588361
          },
          {
            "average": 0.7903271394,
            "count": 16957755,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8986238779,
            "variance": 0.8075248739
          },
          {
            "average": 89.40467709,
            "count": 16957755,
            "maximum": 91,
            "minimum": 87,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.114361436,
            "variance": 1.241801411
          },
          {
            "average": 232135337.3,
            "count": 16957755,
            "maximum": 232136294.2,
            "minimum": 232134132.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 612.032639,
            "variance": 374583.9512
          },
          {
            "average": 0.7903100971,
            "count": 16957755,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8986293837,
            "variance": 0.8075347693
          },
          {
            "average": 0,
            "count": 16957755,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16957755,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1907622796,
            "count": 16957755,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.392902076,
            "variance": 0.1543720414
          },
          {
            "average": 0,
            "count": 16957755,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          715299.9905,
          2045499.979,
          -125.7933045,
          716300.0105,
          2046499.999,
          553.6666955
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                715299.9904846943,
                2045499.9793039702,
                -125.79330452792465
              ],
              [
                715299.9904846943,
                2046499.9993039703,
                -125.79330452792465
              ],
              [
                716300.0104846943,
                2046499.9993039703,
                553.6666954720754
              ],
              [
                716300.0104846943,
                2045499.9793039702,
                553.6666954720754
              ],
              [
                715299.9904846943,
                2045499.9793039702,
                -125.79330452792465
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:04:54+00:00",
        "end_time": "2019-01-21T19:28:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_715300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_715300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_715300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_715300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.96088361,
            18.48886781,
            -125.7933045,
            -66.95130941,
            18.49800263,
            553.6666955
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.96088360579331,
                  18.488970029354565,
                  -125.79330452792465
                ],
                [
                  -66.96077668522177,
                  18.498002629777652,
                  -125.79330452792465
                ],
                [
                  -66.95130940657243,
                  18.49790035283073,
                  553.6666954720754
                ],
                [
                  -66.95141682268799,
                  18.488867805863816,
                  553.6666954720754
                ],
                [
                  -66.96088360579331,
                  18.488970029354565,
                  -125.79330452792465
                ]
              ]
            ]
          },
          "id": "20190121_715300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_715300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:04:54Z",
            "pc:count": 16957755,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 715796.1471,
                "count": 16957755,
                "maximum": 716300.0105,
                "minimum": 715299.9905,
                "name": "X",
                "position": 0,
                "stddev": 297.2262607,
                "variance": 88343.45008
              },
              {
                "average": 2045840.347,
                "count": 16957755,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 252.6966285,
                "variance": 63855.58606
              },
              {
                "average": -0.2015455303,
                "count": 16957755,
                "maximum": 553.6666955,
                "minimum": -125.7933045,
                "name": "Z",
                "position": 2,
                "stddev": 15.04532875,
                "variance": 226.3619172
              },
              {
                "average": 801.1066876,
                "count": 16957755,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 538.8486113,
                "variance": 290357.8259
              },
              {
                "average": 1.656479292,
                "count": 16957755,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.030555482,
                "variance": 1.062044601
              },
              {
                "average": 2.313945095,
                "count": 16957755,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.449544966,
                "variance": 2.101180607
              },
              {
                "average": 0.46940276,
                "count": 16957755,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4990629455,
                "variance": 0.2490638236
              },
              {
                "average": 0.001969246519,
                "count": 16957755,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0443324791,
                "variance": 0.001965368703
              },
              {
                "average": 25.20013693,
                "count": 16957755,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.21446735,
                "variance": 450.0536249
              },
              {
                "average": 3.484793676,
                "count": 16957755,
                "maximum": 26.56800079,
                "minimum": -26.81999969,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.12093122,
                "variance": 172.1588361
              },
              {
                "average": 0.7903271394,
                "count": 16957755,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8986238779,
                "variance": 0.8075248739
              },
              {
                "average": 89.40467709,
                "count": 16957755,
                "maximum": 91,
                "minimum": 87,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.114361436,
                "variance": 1.241801411
              },
              {
                "average": 232135337.3,
                "count": 16957755,
                "maximum": 232136294.2,
                "minimum": 232134132.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 612.032639,
                "variance": 374583.9512
              },
              {
                "average": 0.7903100971,
                "count": 16957755,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8986293837,
                "variance": 0.8075347693
              },
              {
                "average": 0,
                "count": 16957755,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16957755,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1907622796,
                "count": 16957755,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.392902076,
                "variance": 0.1543720414
              },
              {
                "average": 0,
                "count": 16957755,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              715299.9905,
              2045499.979,
              -125.7933045,
              716300.0105,
              2046499.999,
              553.6666955
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    715299.9904846943,
                    2045499.9793039702,
                    -125.79330452792465
                  ],
                  [
                    715299.9904846943,
                    2046499.9993039703,
                    -125.79330452792465
                  ],
                  [
                    716300.0104846943,
                    2046499.9993039703,
                    553.6666954720754
                  ],
                  [
                    716300.0104846943,
                    2045499.9793039702,
                    553.6666954720754
                  ],
                  [
                    715299.9904846943,
                    2045499.9793039702,
                    -125.79330452792465
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:04:54+00:00",
            "end_time": "2019-01-21T19:28:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18216537376955,
              18.473155591845263,
              -78.34109518200745
            ],
            [
              -67.18207014129636,
              18.482189207808563,
              -78.34109518200745
            ],
            [
              -67.1787269847872,
              18.4821570817249,
              485.3589048179926
            ],
            [
              -67.17882239215626,
              18.473123482566926,
              485.3589048179926
            ],
            [
              -67.18216537376955,
              18.473155591845263,
              -78.34109518200745
            ]
          ]
        ]
      },
      "bbox": [
        -67.18216537,
        18.47312348,
        -78.34109518,
        -67.17872698,
        18.48218921,
        485.3589048
      ],
      "properties": {
        "datetime": "2019-01-26T12:22:56Z",
        "pc:count": 592557,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692181.6577,
            "count": 592557,
            "maximum": 692300.0076,
            "minimum": 691946.8876,
            "name": "X",
            "position": 0,
            "stddev": 83.88472386,
            "variance": 7036.646897
          },
          {
            "average": 2043881.329,
            "count": 592557,
            "maximum": 2044499.985,
            "minimum": 2043499.985,
            "name": "Y",
            "position": 1,
            "stddev": 266.8026248,
            "variance": 71183.64062
          },
          {
            "average": 0.2142087803,
            "count": 592557,
            "maximum": 485.3589048,
            "minimum": -78.34109518,
            "name": "Z",
            "position": 2,
            "stddev": 21.7052989,
            "variance": 471.1200004
          },
          {
            "average": 451.6973371,
            "count": 592557,
            "maximum": 4464,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 692.2655851,
            "variance": 479231.6403
          },
          {
            "average": 1.416182747,
            "count": 592557,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.009740949,
            "variance": 1.019576783
          },
          {
            "average": 1.832552818,
            "count": 592557,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.571346427,
            "variance": 2.469129594
          },
          {
            "average": 0.4819873869,
            "count": 592557,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4996758621,
            "variance": 0.2496759671
          },
          {
            "average": 0.01091371801,
            "count": 592557,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.1038971943,
            "variance": 0.01079462698
          },
          {
            "average": 26.28015701,
            "count": 592557,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.28831369,
            "variance": 453.1922998
          },
          {
            "average": -5.686606362,
            "count": 592557,
            "maximum": 20.06999969,
            "minimum": -21.5340004,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 11.09642052,
            "variance": 123.1305483
          },
          {
            "average": 1.377967014,
            "count": 592557,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.127446372,
            "variance": 1.271135322
          },
          {
            "average": 100.0735339,
            "count": 592557,
            "maximum": 101,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.2610109986,
            "variance": 0.0681267414
          },
          {
            "average": 232540340.5,
            "count": 592557,
            "maximum": 232540576.1,
            "minimum": 232540312.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 65.45251512,
            "variance": 4284.031736
          },
          {
            "average": 1.377967014,
            "count": 592557,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.127446372,
            "variance": 1.271135322
          },
          {
            "average": 0,
            "count": 592557,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 592557,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2242569069,
            "count": 592557,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4170923641,
            "variance": 0.1739660402
          },
          {
            "average": 0,
            "count": 592557,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691946.8876,
          2043499.985,
          -78.34109518,
          692300.0076,
          2044499.985,
          485.3589048
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691946.8875815341,
                2043499.984869373,
                -78.34109518200745
              ],
              [
                691946.8875815341,
                2044499.984869373,
                -78.34109518200745
              ],
              [
                692300.0075815342,
                2044499.984869373,
                485.3589048179926
              ],
              [
                692300.0075815342,
                2043499.984869373,
                485.3589048179926
              ],
              [
                691946.8875815341,
                2043499.984869373,
                -78.34109518200745
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:22:56+00:00",
        "end_time": "2019-01-26T12:18:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18216537,
            18.47312348,
            -78.34109518,
            -67.17872698,
            18.48218921,
            485.3589048
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18216537376955,
                  18.473155591845263,
                  -78.34109518200745
                ],
                [
                  -67.18207014129636,
                  18.482189207808563,
                  -78.34109518200745
                ],
                [
                  -67.1787269847872,
                  18.4821570817249,
                  485.3589048179926
                ],
                [
                  -67.17882239215626,
                  18.473123482566926,
                  485.3589048179926
                ],
                [
                  -67.18216537376955,
                  18.473155591845263,
                  -78.34109518200745
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:22:56Z",
            "pc:count": 592557,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692181.6577,
                "count": 592557,
                "maximum": 692300.0076,
                "minimum": 691946.8876,
                "name": "X",
                "position": 0,
                "stddev": 83.88472386,
                "variance": 7036.646897
              },
              {
                "average": 2043881.329,
                "count": 592557,
                "maximum": 2044499.985,
                "minimum": 2043499.985,
                "name": "Y",
                "position": 1,
                "stddev": 266.8026248,
                "variance": 71183.64062
              },
              {
                "average": 0.2142087803,
                "count": 592557,
                "maximum": 485.3589048,
                "minimum": -78.34109518,
                "name": "Z",
                "position": 2,
                "stddev": 21.7052989,
                "variance": 471.1200004
              },
              {
                "average": 451.6973371,
                "count": 592557,
                "maximum": 4464,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 692.2655851,
                "variance": 479231.6403
              },
              {
                "average": 1.416182747,
                "count": 592557,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.009740949,
                "variance": 1.019576783
              },
              {
                "average": 1.832552818,
                "count": 592557,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.571346427,
                "variance": 2.469129594
              },
              {
                "average": 0.4819873869,
                "count": 592557,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4996758621,
                "variance": 0.2496759671
              },
              {
                "average": 0.01091371801,
                "count": 592557,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.1038971943,
                "variance": 0.01079462698
              },
              {
                "average": 26.28015701,
                "count": 592557,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.28831369,
                "variance": 453.1922998
              },
              {
                "average": -5.686606362,
                "count": 592557,
                "maximum": 20.06999969,
                "minimum": -21.5340004,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 11.09642052,
                "variance": 123.1305483
              },
              {
                "average": 1.377967014,
                "count": 592557,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.127446372,
                "variance": 1.271135322
              },
              {
                "average": 100.0735339,
                "count": 592557,
                "maximum": 101,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.2610109986,
                "variance": 0.0681267414
              },
              {
                "average": 232540340.5,
                "count": 592557,
                "maximum": 232540576.1,
                "minimum": 232540312.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 65.45251512,
                "variance": 4284.031736
              },
              {
                "average": 1.377967014,
                "count": 592557,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.127446372,
                "variance": 1.271135322
              },
              {
                "average": 0,
                "count": 592557,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 592557,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2242569069,
                "count": 592557,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4170923641,
                "variance": 0.1739660402
              },
              {
                "average": 0,
                "count": 592557,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691946.8876,
              2043499.985,
              -78.34109518,
              692300.0076,
              2044499.985,
              485.3589048
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691946.8875815341,
                    2043499.984869373,
                    -78.34109518200745
                  ],
                  [
                    691946.8875815341,
                    2044499.984869373,
                    -78.34109518200745
                  ],
                  [
                    692300.0075815342,
                    2044499.984869373,
                    485.3589048179926
                  ],
                  [
                    692300.0075815342,
                    2043499.984869373,
                    485.3589048179926
                  ],
                  [
                    691946.8875815341,
                    2043499.984869373,
                    -78.34109518200745
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:22:56+00:00",
            "end_time": "2019-01-26T12:18:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17972336264265,
              18.482166803257797,
              -30.042104939344956
            ],
            [
              -67.17968860915543,
              18.485457923672175,
              -30.042104939344956
            ],
            [
              -67.17869223328766,
              18.485448341175086,
              77.61789506065504
            ],
            [
              -67.17872700577212,
              18.48215722258669,
              77.61789506065504
            ],
            [
              -67.17972336264265,
              18.482166803257797,
              -30.042104939344956
            ]
          ]
        ]
      },
      "bbox": [
        -67.17972336,
        18.48215722,
        -30.04210494,
        -67.17869223,
        18.48545792,
        77.61789506
      ],
      "properties": {
        "datetime": "2019-01-26T12:18:56Z",
        "pc:count": 54472,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692263.3989,
            "count": 54472,
            "maximum": 692300.0052,
            "minimum": 692194.7652,
            "name": "X",
            "position": 0,
            "stddev": 24.66070564,
            "variance": 608.1504028
          },
          {
            "average": 2044635.169,
            "count": 54472,
            "maximum": 2044864.32,
            "minimum": 2044500,
            "name": "Y",
            "position": 1,
            "stddev": 91.12987632,
            "variance": 8304.654357
          },
          {
            "average": -0.8656441889,
            "count": 54472,
            "maximum": 77.61789506,
            "minimum": -30.04210494,
            "name": "Z",
            "position": 2,
            "stddev": 0.9316807443,
            "variance": 0.8680290093
          },
          {
            "average": 178.6716295,
            "count": 54472,
            "maximum": 2987,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 403.3849095,
            "variance": 162719.3852
          },
          {
            "average": 1.472958584,
            "count": 54472,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.017950977,
            "variance": 1.036224193
          },
          {
            "average": 1.94373256,
            "count": 54472,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.551929171,
            "variance": 2.408484153
          },
          {
            "average": 0.5922859451,
            "count": 54472,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4914140185,
            "variance": 0.2414877376
          },
          {
            "average": 0.02428770745,
            "count": 54472,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.1539423586,
            "variance": 0.02369824977
          },
          {
            "average": 15.00029373,
            "count": 54472,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.46815984,
            "variance": 418.9455673
          },
          {
            "average": -18.06380684,
            "count": 54472,
            "maximum": -10.40999985,
            "minimum": -21.55800056,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.095925136,
            "variance": 4.392902176
          },
          {
            "average": 0.6531428991,
            "count": 54472,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.5901419779,
            "variance": 0.348267554
          },
          {
            "average": 100,
            "count": 54472,
            "maximum": 100,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232540333.1,
            "count": 54472,
            "maximum": 232540336.4,
            "minimum": 232540328.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.789147655,
            "variance": 3.20104933
          },
          {
            "average": 0.6531428991,
            "count": 54472,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.5901419779,
            "variance": 0.348267554
          },
          {
            "average": 0,
            "count": 54472,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54472,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.6404024086,
            "count": 54472,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4798868527,
            "variance": 0.2302913914
          },
          {
            "average": 0,
            "count": 54472,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692194.7652,
          2044500,
          -30.04210494,
          692300.0052,
          2044864.32,
          77.61789506
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692194.7652080636,
                2044500.000438553,
                -30.042104939344956
              ],
              [
                692194.7652080636,
                2044864.3204385529,
                -30.042104939344956
              ],
              [
                692300.0052080636,
                2044864.3204385529,
                77.61789506065504
              ],
              [
                692300.0052080636,
                2044500.000438553,
                77.61789506065504
              ],
              [
                692194.7652080636,
                2044500.000438553,
                -30.042104939344956
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:18:56+00:00",
        "end_time": "2019-01-26T12:18:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17972336,
            18.48215722,
            -30.04210494,
            -67.17869223,
            18.48545792,
            77.61789506
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17972336264265,
                  18.482166803257797,
                  -30.042104939344956
                ],
                [
                  -67.17968860915543,
                  18.485457923672175,
                  -30.042104939344956
                ],
                [
                  -67.17869223328766,
                  18.485448341175086,
                  77.61789506065504
                ],
                [
                  -67.17872700577212,
                  18.48215722258669,
                  77.61789506065504
                ],
                [
                  -67.17972336264265,
                  18.482166803257797,
                  -30.042104939344956
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:18:56Z",
            "pc:count": 54472,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692263.3989,
                "count": 54472,
                "maximum": 692300.0052,
                "minimum": 692194.7652,
                "name": "X",
                "position": 0,
                "stddev": 24.66070564,
                "variance": 608.1504028
              },
              {
                "average": 2044635.169,
                "count": 54472,
                "maximum": 2044864.32,
                "minimum": 2044500,
                "name": "Y",
                "position": 1,
                "stddev": 91.12987632,
                "variance": 8304.654357
              },
              {
                "average": -0.8656441889,
                "count": 54472,
                "maximum": 77.61789506,
                "minimum": -30.04210494,
                "name": "Z",
                "position": 2,
                "stddev": 0.9316807443,
                "variance": 0.8680290093
              },
              {
                "average": 178.6716295,
                "count": 54472,
                "maximum": 2987,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 403.3849095,
                "variance": 162719.3852
              },
              {
                "average": 1.472958584,
                "count": 54472,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.017950977,
                "variance": 1.036224193
              },
              {
                "average": 1.94373256,
                "count": 54472,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.551929171,
                "variance": 2.408484153
              },
              {
                "average": 0.5922859451,
                "count": 54472,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4914140185,
                "variance": 0.2414877376
              },
              {
                "average": 0.02428770745,
                "count": 54472,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.1539423586,
                "variance": 0.02369824977
              },
              {
                "average": 15.00029373,
                "count": 54472,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.46815984,
                "variance": 418.9455673
              },
              {
                "average": -18.06380684,
                "count": 54472,
                "maximum": -10.40999985,
                "minimum": -21.55800056,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.095925136,
                "variance": 4.392902176
              },
              {
                "average": 0.6531428991,
                "count": 54472,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.5901419779,
                "variance": 0.348267554
              },
              {
                "average": 100,
                "count": 54472,
                "maximum": 100,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232540333.1,
                "count": 54472,
                "maximum": 232540336.4,
                "minimum": 232540328.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.789147655,
                "variance": 3.20104933
              },
              {
                "average": 0.6531428991,
                "count": 54472,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.5901419779,
                "variance": 0.348267554
              },
              {
                "average": 0,
                "count": 54472,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54472,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.6404024086,
                "count": 54472,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4798868527,
                "variance": 0.2302913914
              },
              {
                "average": 0,
                "count": 54472,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692194.7652,
              2044500,
              -30.04210494,
              692300.0052,
              2044864.32,
              77.61789506
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692194.7652080636,
                    2044500.000438553,
                    -30.042104939344956
                  ],
                  [
                    692194.7652080636,
                    2044864.3204385529,
                    -30.042104939344956
                  ],
                  [
                    692300.0052080636,
                    2044864.3204385529,
                    77.61789506065504
                  ],
                  [
                    692300.0052080636,
                    2044500.000438553,
                    77.61789506065504
                  ],
                  [
                    692194.7652080636,
                    2044500.000438553,
                    -30.042104939344956
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:18:56+00:00",
            "end_time": "2019-01-26T12:18:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_694300e_2036500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16058378196722,
              18.4076340819812,
              -98.1154055072189
            ],
            [
              -67.16056177104134,
              18.409705841497033,
              -98.1154055072189
            ],
            [
              -67.15295283241039,
              18.409632021648783,
              581.4245944927811
            ],
            [
              -67.15297493425975,
              18.407560271019392,
              581.4245944927811
            ],
            [
              -67.16058378196722,
              18.4076340819812,
              -98.1154055072189
            ]
          ]
        ]
      },
      "bbox": [
        -67.16058378,
        18.40756027,
        -98.11540551,
        -67.15295283,
        18.40970584,
        581.4245945
      ],
      "properties": {
        "datetime": "2019-01-27T14:59:36Z",
        "pc:count": 433758,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694550.4289,
            "count": 433758,
            "maximum": 695104.0487,
            "minimum": 694300.0087,
            "name": "X",
            "position": 0,
            "stddev": 189.5138034,
            "variance": 35915.48169
          },
          {
            "average": 2036421.612,
            "count": 433758,
            "maximum": 2036499.997,
            "minimum": 2036270.657,
            "name": "Y",
            "position": 1,
            "stddev": 58.03898535,
            "variance": 3368.52382
          },
          {
            "average": 5.360368865,
            "count": 433758,
            "maximum": 581.4245945,
            "minimum": -98.11540551,
            "name": "Z",
            "position": 2,
            "stddev": 5.877197372,
            "variance": 34.54144895
          },
          {
            "average": 1259.060716,
            "count": 433758,
            "maximum": 3215,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 596.0064798,
            "variance": 355223.7239
          },
          {
            "average": 2.24519202,
            "count": 433758,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.59086378,
            "variance": 2.530847567
          },
          {
            "average": 3.481886213,
            "count": 433758,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.186968847,
            "variance": 4.782832738
          },
          {
            "average": 0.9666565228,
            "count": 433758,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.1795320698,
            "variance": 0.03223176407
          },
          {
            "average": 0.0003734801433,
            "count": 433758,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.01932204742,
            "variance": 0.0003733415166
          },
          {
            "average": 1.280898566,
            "count": 433758,
            "maximum": 40,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.551910749,
            "variance": 0.3046054749
          },
          {
            "average": 12.26370555,
            "count": 433758,
            "maximum": 20.1420002,
            "minimum": -19.62599945,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.400951122,
            "variance": 54.77407752
          },
          {
            "average": 0.9666565228,
            "count": 433758,
            "maximum": 1,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1795320698,
            "variance": 0.03223176407
          },
          {
            "average": 115.3523163,
            "count": 433758,
            "maximum": 117,
            "minimum": 115,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7619101799,
            "variance": 0.5805071223
          },
          {
            "average": 232635973.4,
            "count": 433758,
            "maximum": 232636376.5,
            "minimum": 232635886.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 185.8220493,
            "variance": 34529.83401
          },
          {
            "average": 0.9666565228,
            "count": 433758,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.1795320698,
            "variance": 0.03223176407
          },
          {
            "average": 0,
            "count": 433758,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 433758,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2710889482,
            "count": 433758,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4445224245,
            "variance": 0.1976001859
          },
          {
            "average": 0,
            "count": 433758,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694300.0087,
          2036270.657,
          -98.11540551,
          695104.0487,
          2036499.997,
          581.4245945
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694300.0087007089,
                2036270.656974322,
                -98.1154055072189
              ],
              [
                694300.0087007089,
                2036499.9969743218,
                -98.1154055072189
              ],
              [
                695104.0487007089,
                2036499.9969743218,
                581.4245944927811
              ],
              [
                695104.0487007089,
                2036270.656974322,
                581.4245944927811
              ],
              [
                694300.0087007089,
                2036270.656974322,
                -98.1154055072189
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:59:36+00:00",
        "end_time": "2019-01-27T14:51:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_694300e_2036500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_694300e_2036500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_694300e_2036500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2036500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16058378,
            18.40756027,
            -98.11540551,
            -67.15295283,
            18.40970584,
            581.4245945
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16058378196722,
                  18.4076340819812,
                  -98.1154055072189
                ],
                [
                  -67.16056177104134,
                  18.409705841497033,
                  -98.1154055072189
                ],
                [
                  -67.15295283241039,
                  18.409632021648783,
                  581.4245944927811
                ],
                [
                  -67.15297493425975,
                  18.407560271019392,
                  581.4245944927811
                ],
                [
                  -67.16058378196722,
                  18.4076340819812,
                  -98.1154055072189
                ]
              ]
            ]
          },
          "id": "20190127_694300e_2036500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2036500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:59:36Z",
            "pc:count": 433758,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694550.4289,
                "count": 433758,
                "maximum": 695104.0487,
                "minimum": 694300.0087,
                "name": "X",
                "position": 0,
                "stddev": 189.5138034,
                "variance": 35915.48169
              },
              {
                "average": 2036421.612,
                "count": 433758,
                "maximum": 2036499.997,
                "minimum": 2036270.657,
                "name": "Y",
                "position": 1,
                "stddev": 58.03898535,
                "variance": 3368.52382
              },
              {
                "average": 5.360368865,
                "count": 433758,
                "maximum": 581.4245945,
                "minimum": -98.11540551,
                "name": "Z",
                "position": 2,
                "stddev": 5.877197372,
                "variance": 34.54144895
              },
              {
                "average": 1259.060716,
                "count": 433758,
                "maximum": 3215,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 596.0064798,
                "variance": 355223.7239
              },
              {
                "average": 2.24519202,
                "count": 433758,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.59086378,
                "variance": 2.530847567
              },
              {
                "average": 3.481886213,
                "count": 433758,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.186968847,
                "variance": 4.782832738
              },
              {
                "average": 0.9666565228,
                "count": 433758,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.1795320698,
                "variance": 0.03223176407
              },
              {
                "average": 0.0003734801433,
                "count": 433758,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.01932204742,
                "variance": 0.0003733415166
              },
              {
                "average": 1.280898566,
                "count": 433758,
                "maximum": 40,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.551910749,
                "variance": 0.3046054749
              },
              {
                "average": 12.26370555,
                "count": 433758,
                "maximum": 20.1420002,
                "minimum": -19.62599945,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.400951122,
                "variance": 54.77407752
              },
              {
                "average": 0.9666565228,
                "count": 433758,
                "maximum": 1,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1795320698,
                "variance": 0.03223176407
              },
              {
                "average": 115.3523163,
                "count": 433758,
                "maximum": 117,
                "minimum": 115,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7619101799,
                "variance": 0.5805071223
              },
              {
                "average": 232635973.4,
                "count": 433758,
                "maximum": 232636376.5,
                "minimum": 232635886.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 185.8220493,
                "variance": 34529.83401
              },
              {
                "average": 0.9666565228,
                "count": 433758,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.1795320698,
                "variance": 0.03223176407
              },
              {
                "average": 0,
                "count": 433758,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 433758,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2710889482,
                "count": 433758,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4445224245,
                "variance": 0.1976001859
              },
              {
                "average": 0,
                "count": 433758,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694300.0087,
              2036270.657,
              -98.11540551,
              695104.0487,
              2036499.997,
              581.4245945
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694300.0087007089,
                    2036270.656974322,
                    -98.1154055072189
                  ],
                  [
                    694300.0087007089,
                    2036499.9969743218,
                    -98.1154055072189
                  ],
                  [
                    695104.0487007089,
                    2036499.9969743218,
                    581.4245944927811
                  ],
                  [
                    695104.0487007089,
                    2036270.656974322,
                    581.4245944927811
                  ],
                  [
                    694300.0087007089,
                    2036270.656974322,
                    -98.1154055072189
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:59:36+00:00",
            "end_time": "2019-01-27T14:51:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_719300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.9230176042421,
              18.488558304575683,
              -112.40162417334264
            ],
            [
              -66.92290870162438,
              18.49759068969559,
              -112.40162417334264
            ],
            [
              -66.91344167226822,
              18.49748652094225,
              546.3583758266574
            ],
            [
              -66.91355107036966,
              18.48845419026704,
              546.3583758266574
            ],
            [
              -66.9230176042421,
              18.488558304575683,
              -112.40162417334264
            ]
          ]
        ]
      },
      "bbox": [
        -66.9230176,
        18.48845419,
        -112.4016242,
        -66.91344167,
        18.49759069,
        546.3583758
      ],
      "properties": {
        "datetime": "2019-01-21T20:03:56Z",
        "pc:count": 6772734,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 719783.8843,
            "count": 6772734,
            "maximum": 720300.0104,
            "minimum": 719299.9904,
            "name": "X",
            "position": 0,
            "stddev": 291.8984706,
            "variance": 85204.71716
          },
          {
            "average": 2045957.173,
            "count": 6772734,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 297.9046848,
            "variance": 88747.20121
          },
          {
            "average": -0.6759641888,
            "count": 6772734,
            "maximum": 546.3583758,
            "minimum": -112.4016242,
            "name": "Z",
            "position": 2,
            "stddev": 11.96820697,
            "variance": 143.2379781
          },
          {
            "average": 732.7118486,
            "count": 6772734,
            "maximum": 3143,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 545.5458395,
            "variance": 297620.2629
          },
          {
            "average": 1.064139386,
            "count": 6772734,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2814885426,
            "variance": 0.07923579962
          },
          {
            "average": 1.128934342,
            "count": 6772734,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4128289574,
            "variance": 0.170427748
          },
          {
            "average": 0.4273999245,
            "count": 6772734,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4947011878,
            "variance": 0.2447292652
          },
          {
            "average": 0.005377296672,
            "count": 6772734,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07313263391,
            "variance": 0.005348382142
          },
          {
            "average": 19.69258914,
            "count": 6772734,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.52957348,
            "variance": 463.5225341
          },
          {
            "average": 0.1050802237,
            "count": 6772734,
            "maximum": 25.45199966,
            "minimum": -21.98999977,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.27362024,
            "variance": 150.6417537
          },
          {
            "average": 1.021994663,
            "count": 6772734,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.080144074,
            "variance": 1.166711221
          },
          {
            "average": 88.89469851,
            "count": 6772734,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.242142298,
            "variance": 1.542917488
          },
          {
            "average": 232135062,
            "count": 6772734,
            "maximum": 232136236.1,
            "minimum": 232133409.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 665.3050783,
            "variance": 442630.8472
          },
          {
            "average": 1.021994663,
            "count": 6772734,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.080144074,
            "variance": 1.166711221
          },
          {
            "average": 0,
            "count": 6772734,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6772734,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1504578506,
            "count": 6772734,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3575196563,
            "variance": 0.1278203046
          },
          {
            "average": 0,
            "count": 6772734,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          719299.9904,
          2045499.979,
          -112.4016242,
          720300.0104,
          2046499.999,
          546.3583758
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                719299.9903688706,
                2045499.9789954356,
                -112.40162417334264
              ],
              [
                719299.9903688706,
                2046499.9989954357,
                -112.40162417334264
              ],
              [
                720300.0103688706,
                2046499.9989954357,
                546.3583758266574
              ],
              [
                720300.0103688706,
                2045499.9789954356,
                546.3583758266574
              ],
              [
                719299.9903688706,
                2045499.9789954356,
                -112.40162417334264
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:03:56+00:00",
        "end_time": "2019-01-21T19:16:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_719300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_719300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_719300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.9230176,
            18.48845419,
            -112.4016242,
            -66.91344167,
            18.49759069,
            546.3583758
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.9230176042421,
                  18.488558304575683,
                  -112.40162417334264
                ],
                [
                  -66.92290870162438,
                  18.49759068969559,
                  -112.40162417334264
                ],
                [
                  -66.91344167226822,
                  18.49748652094225,
                  546.3583758266574
                ],
                [
                  -66.91355107036966,
                  18.48845419026704,
                  546.3583758266574
                ],
                [
                  -66.9230176042421,
                  18.488558304575683,
                  -112.40162417334264
                ]
              ]
            ]
          },
          "id": "20190121_719300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:03:56Z",
            "pc:count": 6772734,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 719783.8843,
                "count": 6772734,
                "maximum": 720300.0104,
                "minimum": 719299.9904,
                "name": "X",
                "position": 0,
                "stddev": 291.8984706,
                "variance": 85204.71716
              },
              {
                "average": 2045957.173,
                "count": 6772734,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 297.9046848,
                "variance": 88747.20121
              },
              {
                "average": -0.6759641888,
                "count": 6772734,
                "maximum": 546.3583758,
                "minimum": -112.4016242,
                "name": "Z",
                "position": 2,
                "stddev": 11.96820697,
                "variance": 143.2379781
              },
              {
                "average": 732.7118486,
                "count": 6772734,
                "maximum": 3143,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 545.5458395,
                "variance": 297620.2629
              },
              {
                "average": 1.064139386,
                "count": 6772734,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2814885426,
                "variance": 0.07923579962
              },
              {
                "average": 1.128934342,
                "count": 6772734,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4128289574,
                "variance": 0.170427748
              },
              {
                "average": 0.4273999245,
                "count": 6772734,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4947011878,
                "variance": 0.2447292652
              },
              {
                "average": 0.005377296672,
                "count": 6772734,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07313263391,
                "variance": 0.005348382142
              },
              {
                "average": 19.69258914,
                "count": 6772734,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.52957348,
                "variance": 463.5225341
              },
              {
                "average": 0.1050802237,
                "count": 6772734,
                "maximum": 25.45199966,
                "minimum": -21.98999977,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.27362024,
                "variance": 150.6417537
              },
              {
                "average": 1.021994663,
                "count": 6772734,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.080144074,
                "variance": 1.166711221
              },
              {
                "average": 88.89469851,
                "count": 6772734,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.242142298,
                "variance": 1.542917488
              },
              {
                "average": 232135062,
                "count": 6772734,
                "maximum": 232136236.1,
                "minimum": 232133409.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 665.3050783,
                "variance": 442630.8472
              },
              {
                "average": 1.021994663,
                "count": 6772734,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.080144074,
                "variance": 1.166711221
              },
              {
                "average": 0,
                "count": 6772734,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6772734,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1504578506,
                "count": 6772734,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3575196563,
                "variance": 0.1278203046
              },
              {
                "average": 0,
                "count": 6772734,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              719299.9904,
              2045499.979,
              -112.4016242,
              720300.0104,
              2046499.999,
              546.3583758
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    719299.9903688706,
                    2045499.9789954356,
                    -112.40162417334264
                  ],
                  [
                    719299.9903688706,
                    2046499.9989954357,
                    -112.40162417334264
                  ],
                  [
                    720300.0103688706,
                    2046499.9989954357,
                    546.3583758266574
                  ],
                  [
                    720300.0103688706,
                    2045499.9789954356,
                    546.3583758266574
                  ],
                  [
                    719299.9903688706,
                    2045499.9789954356,
                    -112.40162417334264
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:03:56+00:00",
            "end_time": "2019-01-21T19:16:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_694300e_2039500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16036987267992,
              18.427772811122665,
              -136.5001434693802
            ],
            [
              -67.16027375058172,
              18.436806540587128,
              -136.5001434693802
            ],
            [
              -67.15080870291109,
              18.436714536790884,
              585.5998565306198
            ],
            [
              -67.15090531885433,
              18.42768085555676,
              585.5998565306198
            ],
            [
              -67.16036987267992,
              18.427772811122665,
              -136.5001434693802
            ]
          ]
        ]
      },
      "bbox": [
        -67.16036987,
        18.42768086,
        -136.5001435,
        -67.1508087,
        18.43680654,
        585.5998565
      ],
      "properties": {
        "datetime": "2019-01-27T15:00:03Z",
        "pc:count": 21431618,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694884.7624,
            "count": 21431618,
            "maximum": 695300.0103,
            "minimum": 694299.9903,
            "name": "X",
            "position": 0,
            "stddev": 284.0600579,
            "variance": 80690.11652
          },
          {
            "average": 2039040.428,
            "count": 21431618,
            "maximum": 2039500,
            "minimum": 2038499.98,
            "name": "Y",
            "position": 1,
            "stddev": 288.3345926,
            "variance": 83136.83727
          },
          {
            "average": 18.32490383,
            "count": 21431618,
            "maximum": 585.5998565,
            "minimum": -136.5001435,
            "name": "Z",
            "position": 2,
            "stddev": 26.02831436,
            "variance": 677.4731483
          },
          {
            "average": 1104.118352,
            "count": 21431618,
            "maximum": 4319,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 685.3169119,
            "variance": 469659.2698
          },
          {
            "average": 1.751115945,
            "count": 21431618,
            "maximum": 13,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.225780729,
            "variance": 1.502538396
          },
          {
            "average": 2.502585666,
            "count": 21431618,
            "maximum": 13,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.786934328,
            "variance": 3.193134294
          },
          {
            "average": 0.4069038091,
            "count": 21431618,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4912566646,
            "variance": 0.2413331105
          },
          {
            "average": 0.00163338111,
            "count": 21431618,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04038209074,
            "variance": 0.001630713252
          },
          {
            "average": 11.1601412,
            "count": 21431618,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 17.89563811,
            "variance": 320.2538633
          },
          {
            "average": 2.93272662,
            "count": 21431618,
            "maximum": 20.82600021,
            "minimum": -21.97800064,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.22279211,
            "variance": 174.8422311
          },
          {
            "average": 1.032704857,
            "count": 21431618,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.103552304,
            "variance": 1.217827688
          },
          {
            "average": 114.5025998,
            "count": 21431618,
            "maximum": 117,
            "minimum": 112,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.158297425,
            "variance": 1.341652925
          },
          {
            "average": 232635804.7,
            "count": 21431618,
            "maximum": 232636403.9,
            "minimum": 232635155.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 281.285526,
            "variance": 79121.54716
          },
          {
            "average": 1.032704857,
            "count": 21431618,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.103552304,
            "variance": 1.217827688
          },
          {
            "average": 0,
            "count": 21431618,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21431618,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2437950788,
            "count": 21431618,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4293705241,
            "variance": 0.184359047
          },
          {
            "average": 0,
            "count": 21431618,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9903,
          2038499.98,
          -136.5001435,
          695300.0103,
          2039500,
          585.5998565
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.990333168,
                2038499.9796119253,
                -136.5001434693802
              ],
              [
                694299.990333168,
                2039499.9996119253,
                -136.5001434693802
              ],
              [
                695300.010333168,
                2039499.9996119253,
                585.5998565306198
              ],
              [
                695300.010333168,
                2038499.9796119253,
                585.5998565306198
              ],
              [
                694299.990333168,
                2038499.9796119253,
                -136.5001434693802
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T15:00:03+00:00",
        "end_time": "2019-01-27T14:39:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_694300e_2039500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_694300e_2039500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_694300e_2039500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2039500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16036987,
            18.42768086,
            -136.5001435,
            -67.1508087,
            18.43680654,
            585.5998565
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16036987267992,
                  18.427772811122665,
                  -136.5001434693802
                ],
                [
                  -67.16027375058172,
                  18.436806540587128,
                  -136.5001434693802
                ],
                [
                  -67.15080870291109,
                  18.436714536790884,
                  585.5998565306198
                ],
                [
                  -67.15090531885433,
                  18.42768085555676,
                  585.5998565306198
                ],
                [
                  -67.16036987267992,
                  18.427772811122665,
                  -136.5001434693802
                ]
              ]
            ]
          },
          "id": "20190127_694300e_2039500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2039500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T15:00:03Z",
            "pc:count": 21431618,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694884.7624,
                "count": 21431618,
                "maximum": 695300.0103,
                "minimum": 694299.9903,
                "name": "X",
                "position": 0,
                "stddev": 284.0600579,
                "variance": 80690.11652
              },
              {
                "average": 2039040.428,
                "count": 21431618,
                "maximum": 2039500,
                "minimum": 2038499.98,
                "name": "Y",
                "position": 1,
                "stddev": 288.3345926,
                "variance": 83136.83727
              },
              {
                "average": 18.32490383,
                "count": 21431618,
                "maximum": 585.5998565,
                "minimum": -136.5001435,
                "name": "Z",
                "position": 2,
                "stddev": 26.02831436,
                "variance": 677.4731483
              },
              {
                "average": 1104.118352,
                "count": 21431618,
                "maximum": 4319,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 685.3169119,
                "variance": 469659.2698
              },
              {
                "average": 1.751115945,
                "count": 21431618,
                "maximum": 13,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.225780729,
                "variance": 1.502538396
              },
              {
                "average": 2.502585666,
                "count": 21431618,
                "maximum": 13,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.786934328,
                "variance": 3.193134294
              },
              {
                "average": 0.4069038091,
                "count": 21431618,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4912566646,
                "variance": 0.2413331105
              },
              {
                "average": 0.00163338111,
                "count": 21431618,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04038209074,
                "variance": 0.001630713252
              },
              {
                "average": 11.1601412,
                "count": 21431618,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 17.89563811,
                "variance": 320.2538633
              },
              {
                "average": 2.93272662,
                "count": 21431618,
                "maximum": 20.82600021,
                "minimum": -21.97800064,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.22279211,
                "variance": 174.8422311
              },
              {
                "average": 1.032704857,
                "count": 21431618,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.103552304,
                "variance": 1.217827688
              },
              {
                "average": 114.5025998,
                "count": 21431618,
                "maximum": 117,
                "minimum": 112,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.158297425,
                "variance": 1.341652925
              },
              {
                "average": 232635804.7,
                "count": 21431618,
                "maximum": 232636403.9,
                "minimum": 232635155.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 281.285526,
                "variance": 79121.54716
              },
              {
                "average": 1.032704857,
                "count": 21431618,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.103552304,
                "variance": 1.217827688
              },
              {
                "average": 0,
                "count": 21431618,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21431618,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2437950788,
                "count": 21431618,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4293705241,
                "variance": 0.184359047
              },
              {
                "average": 0,
                "count": 21431618,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9903,
              2038499.98,
              -136.5001435,
              695300.0103,
              2039500,
              585.5998565
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.990333168,
                    2038499.9796119253,
                    -136.5001434693802
                  ],
                  [
                    694299.990333168,
                    2039499.9996119253,
                    -136.5001434693802
                  ],
                  [
                    695300.010333168,
                    2039499.9996119253,
                    585.5998565306198
                  ],
                  [
                    695300.010333168,
                    2038499.9796119253,
                    585.5998565306198
                  ],
                  [
                    694299.990333168,
                    2038499.9796119253,
                    -136.5001434693802
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T15:00:03+00:00",
            "end_time": "2019-01-27T14:39:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_713300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.97981697873432,
              18.489173053284272,
              -136.9909754536163
            ],
            [
              -66.97971104927564,
              18.498205759876125,
              -136.9909754536163
            ],
            [
              -66.97024364769219,
              18.498104428913127,
              543.8690245463837
            ],
            [
              -66.97035007272461,
              18.489071775283133,
              543.8690245463837
            ],
            [
              -66.97981697873432,
              18.489173053284272,
              -136.9909754536163
            ]
          ]
        ]
      },
      "bbox": [
        -66.97981698,
        18.48907178,
        -136.9909755,
        -66.97024365,
        18.49820576,
        543.8690245
      ],
      "properties": {
        "datetime": "2019-01-21T20:05:22Z",
        "pc:count": 21610098,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 713812.3323,
            "count": 21610098,
            "maximum": 714300.0104,
            "minimum": 713299.9904,
            "name": "X",
            "position": 0,
            "stddev": 303.5608685,
            "variance": 92149.20086
          },
          {
            "average": 2045904.174,
            "count": 21610098,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 272.4533103,
            "variance": 74230.80627
          },
          {
            "average": 3.708134023,
            "count": 21610098,
            "maximum": 543.8690245,
            "minimum": -136.9909755,
            "name": "Z",
            "position": 2,
            "stddev": 14.12814752,
            "variance": 199.6045522
          },
          {
            "average": 1098.970688,
            "count": 21610098,
            "maximum": 3890,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 630.2097691,
            "variance": 397164.3531
          },
          {
            "average": 1.687136356,
            "count": 21610098,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.104169672,
            "variance": 1.219190665
          },
          {
            "average": 2.374115656,
            "count": 21610098,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.580354723,
            "variance": 2.497521049
          },
          {
            "average": 0.4253148227,
            "count": 21610098,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.494390671,
            "variance": 0.2444221356
          },
          {
            "average": 0.001694809528,
            "count": 21610098,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04113316457,
            "variance": 0.001691937227
          },
          {
            "average": 13.98190624,
            "count": 21610098,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.45980492,
            "variance": 378.6840074
          },
          {
            "average": 1.449010262,
            "count": 21610098,
            "maximum": 23.77799988,
            "minimum": -23.50799942,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.91901742,
            "variance": 193.7390458
          },
          {
            "average": 0.8975174014,
            "count": 21610098,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.01803002,
            "variance": 1.036385121
          },
          {
            "average": 89.18648883,
            "count": 21610098,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.128570136,
            "variance": 1.273670551
          },
          {
            "average": 232135211.9,
            "count": 21610098,
            "maximum": 232136322.9,
            "minimum": 232133327.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 615.0778823,
            "variance": 378320.8013
          },
          {
            "average": 0.8975174014,
            "count": 21610098,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.01803002,
            "variance": 1.036385121
          },
          {
            "average": 0,
            "count": 21610098,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21610098,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.239028717,
            "count": 21610098,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4264903257,
            "variance": 0.1818939979
          },
          {
            "average": 0,
            "count": 21610098,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          713299.9904,
          2045499.979,
          -136.9909755,
          714300.0104,
          2046499.999,
          543.8690245
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                713299.9903908604,
                2045499.979219427,
                -136.9909754536163
              ],
              [
                713299.9903908604,
                2046499.9992194271,
                -136.9909754536163
              ],
              [
                714300.0103908604,
                2046499.9992194271,
                543.8690245463837
              ],
              [
                714300.0103908604,
                2045499.979219427,
                543.8690245463837
              ],
              [
                713299.9903908604,
                2045499.979219427,
                -136.9909754536163
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:05:22+00:00",
        "end_time": "2019-01-21T19:15:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_713300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_713300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_713300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_713300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.97981698,
            18.48907178,
            -136.9909755,
            -66.97024365,
            18.49820576,
            543.8690245
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.97981697873432,
                  18.489173053284272,
                  -136.9909754536163
                ],
                [
                  -66.97971104927564,
                  18.498205759876125,
                  -136.9909754536163
                ],
                [
                  -66.97024364769219,
                  18.498104428913127,
                  543.8690245463837
                ],
                [
                  -66.97035007272461,
                  18.489071775283133,
                  543.8690245463837
                ],
                [
                  -66.97981697873432,
                  18.489173053284272,
                  -136.9909754536163
                ]
              ]
            ]
          },
          "id": "20190121_713300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_713300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:05:22Z",
            "pc:count": 21610098,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 713812.3323,
                "count": 21610098,
                "maximum": 714300.0104,
                "minimum": 713299.9904,
                "name": "X",
                "position": 0,
                "stddev": 303.5608685,
                "variance": 92149.20086
              },
              {
                "average": 2045904.174,
                "count": 21610098,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 272.4533103,
                "variance": 74230.80627
              },
              {
                "average": 3.708134023,
                "count": 21610098,
                "maximum": 543.8690245,
                "minimum": -136.9909755,
                "name": "Z",
                "position": 2,
                "stddev": 14.12814752,
                "variance": 199.6045522
              },
              {
                "average": 1098.970688,
                "count": 21610098,
                "maximum": 3890,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 630.2097691,
                "variance": 397164.3531
              },
              {
                "average": 1.687136356,
                "count": 21610098,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.104169672,
                "variance": 1.219190665
              },
              {
                "average": 2.374115656,
                "count": 21610098,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.580354723,
                "variance": 2.497521049
              },
              {
                "average": 0.4253148227,
                "count": 21610098,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.494390671,
                "variance": 0.2444221356
              },
              {
                "average": 0.001694809528,
                "count": 21610098,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04113316457,
                "variance": 0.001691937227
              },
              {
                "average": 13.98190624,
                "count": 21610098,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.45980492,
                "variance": 378.6840074
              },
              {
                "average": 1.449010262,
                "count": 21610098,
                "maximum": 23.77799988,
                "minimum": -23.50799942,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.91901742,
                "variance": 193.7390458
              },
              {
                "average": 0.8975174014,
                "count": 21610098,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.01803002,
                "variance": 1.036385121
              },
              {
                "average": 89.18648883,
                "count": 21610098,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.128570136,
                "variance": 1.273670551
              },
              {
                "average": 232135211.9,
                "count": 21610098,
                "maximum": 232136322.9,
                "minimum": 232133327.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 615.0778823,
                "variance": 378320.8013
              },
              {
                "average": 0.8975174014,
                "count": 21610098,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.01803002,
                "variance": 1.036385121
              },
              {
                "average": 0,
                "count": 21610098,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21610098,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.239028717,
                "count": 21610098,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4264903257,
                "variance": 0.1818939979
              },
              {
                "average": 0,
                "count": 21610098,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              713299.9904,
              2045499.979,
              -136.9909755,
              714300.0104,
              2046499.999,
              543.8690245
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    713299.9903908604,
                    2045499.979219427,
                    -136.9909754536163
                  ],
                  [
                    713299.9903908604,
                    2046499.9992194271,
                    -136.9909754536163
                  ],
                  [
                    714300.0103908604,
                    2046499.9992194271,
                    543.8690245463837
                  ],
                  [
                    714300.0103908604,
                    2045499.979219427,
                    543.8690245463837
                  ],
                  [
                    713299.9903908604,
                    2045499.979219427,
                    -136.9909754536163
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:05:22+00:00",
            "end_time": "2019-01-21T19:15:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2043500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18487006297836,
              18.46414701360582,
              -77.24423708551637
            ],
            [
              -67.18477502185796,
              18.473180651741252,
              -77.24423708551637
            ],
            [
              -67.17882236650125,
              18.47312351758989,
              488.97576291448365
            ],
            [
              -67.17891771887017,
              18.46408990935426,
              488.97576291448365
            ],
            [
              -67.18487006297836,
              18.46414701360582,
              -77.24423708551637
            ]
          ]
        ]
      },
      "bbox": [
        -67.18487006,
        18.46408991,
        -77.24423709,
        -67.17882237,
        18.47318065,
        488.9757629
      ],
      "properties": {
        "datetime": "2019-01-26T12:31:18Z",
        "pc:count": 1282306,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692046.1988,
            "count": 1282306,
            "maximum": 692300.0103,
            "minimum": 691671.2303,
            "name": "X",
            "position": 0,
            "stddev": 159.5401478,
            "variance": 25453.05877
          },
          {
            "average": 2042940.973,
            "count": 1282306,
            "maximum": 2043499.989,
            "minimum": 2042499.989,
            "name": "Y",
            "position": 1,
            "stddev": 291.1359417,
            "variance": 84760.13655
          },
          {
            "average": 0.0692845544,
            "count": 1282306,
            "maximum": 488.9757629,
            "minimum": -77.24423709,
            "name": "Z",
            "position": 2,
            "stddev": 23.08619777,
            "variance": 532.9725275
          },
          {
            "average": 434.9753304,
            "count": 1282306,
            "maximum": 4770,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 710.3438294,
            "variance": 504588.356
          },
          {
            "average": 1.527548027,
            "count": 1282306,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.12797684,
            "variance": 1.272331751
          },
          {
            "average": 2.055342485,
            "count": 1282306,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.735292585,
            "variance": 3.011240356
          },
          {
            "average": 0.5031731896,
            "count": 1282306,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4999901257,
            "variance": 0.2499901258
          },
          {
            "average": 0.01303277065,
            "count": 1282306,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.1134148472,
            "variance": 0.01286292757
          },
          {
            "average": 26.97443668,
            "count": 1282306,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.25403277,
            "variance": 451.7339089
          },
          {
            "average": 0.7723062417,
            "count": 1282306,
            "maximum": 20.27400017,
            "minimum": -21.5340004,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.43423692,
            "variance": 154.6102479
          },
          {
            "average": 1.323879792,
            "count": 1282306,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.101197638,
            "variance": 1.212636239
          },
          {
            "average": 100.3547741,
            "count": 1282306,
            "maximum": 102,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.532820893,
            "variance": 0.283898104
          },
          {
            "average": 232540411.5,
            "count": 1282306,
            "maximum": 232541078.2,
            "minimum": 232540296.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 168.169985,
            "variance": 28281.14385
          },
          {
            "average": 1.323879792,
            "count": 1282306,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.101197638,
            "variance": 1.212636239
          },
          {
            "average": 0,
            "count": 1282306,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1282306,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2163103035,
            "count": 1282306,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4117284157,
            "variance": 0.1695202883
          },
          {
            "average": 0,
            "count": 1282306,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691671.2303,
          2042499.989,
          -77.24423709,
          692300.0103,
          2043499.989,
          488.9757629
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691671.2302521514,
                2042499.9887732447,
                -77.24423708551637
              ],
              [
                691671.2302521514,
                2043499.9887732447,
                -77.24423708551637
              ],
              [
                692300.0102521514,
                2043499.9887732447,
                488.97576291448365
              ],
              [
                692300.0102521514,
                2042499.9887732447,
                488.97576291448365
              ],
              [
                691671.2302521514,
                2042499.9887732447,
                -77.24423708551637
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:31:18+00:00",
        "end_time": "2019-01-26T12:18:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2043500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2043500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2043500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2043500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18487006,
            18.46408991,
            -77.24423709,
            -67.17882237,
            18.47318065,
            488.9757629
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18487006297836,
                  18.46414701360582,
                  -77.24423708551637
                ],
                [
                  -67.18477502185796,
                  18.473180651741252,
                  -77.24423708551637
                ],
                [
                  -67.17882236650125,
                  18.47312351758989,
                  488.97576291448365
                ],
                [
                  -67.17891771887017,
                  18.46408990935426,
                  488.97576291448365
                ],
                [
                  -67.18487006297836,
                  18.46414701360582,
                  -77.24423708551637
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2043500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2043500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:31:18Z",
            "pc:count": 1282306,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692046.1988,
                "count": 1282306,
                "maximum": 692300.0103,
                "minimum": 691671.2303,
                "name": "X",
                "position": 0,
                "stddev": 159.5401478,
                "variance": 25453.05877
              },
              {
                "average": 2042940.973,
                "count": 1282306,
                "maximum": 2043499.989,
                "minimum": 2042499.989,
                "name": "Y",
                "position": 1,
                "stddev": 291.1359417,
                "variance": 84760.13655
              },
              {
                "average": 0.0692845544,
                "count": 1282306,
                "maximum": 488.9757629,
                "minimum": -77.24423709,
                "name": "Z",
                "position": 2,
                "stddev": 23.08619777,
                "variance": 532.9725275
              },
              {
                "average": 434.9753304,
                "count": 1282306,
                "maximum": 4770,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 710.3438294,
                "variance": 504588.356
              },
              {
                "average": 1.527548027,
                "count": 1282306,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.12797684,
                "variance": 1.272331751
              },
              {
                "average": 2.055342485,
                "count": 1282306,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.735292585,
                "variance": 3.011240356
              },
              {
                "average": 0.5031731896,
                "count": 1282306,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4999901257,
                "variance": 0.2499901258
              },
              {
                "average": 0.01303277065,
                "count": 1282306,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.1134148472,
                "variance": 0.01286292757
              },
              {
                "average": 26.97443668,
                "count": 1282306,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.25403277,
                "variance": 451.7339089
              },
              {
                "average": 0.7723062417,
                "count": 1282306,
                "maximum": 20.27400017,
                "minimum": -21.5340004,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.43423692,
                "variance": 154.6102479
              },
              {
                "average": 1.323879792,
                "count": 1282306,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.101197638,
                "variance": 1.212636239
              },
              {
                "average": 100.3547741,
                "count": 1282306,
                "maximum": 102,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.532820893,
                "variance": 0.283898104
              },
              {
                "average": 232540411.5,
                "count": 1282306,
                "maximum": 232541078.2,
                "minimum": 232540296.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 168.169985,
                "variance": 28281.14385
              },
              {
                "average": 1.323879792,
                "count": 1282306,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.101197638,
                "variance": 1.212636239
              },
              {
                "average": 0,
                "count": 1282306,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1282306,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2163103035,
                "count": 1282306,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4117284157,
                "variance": 0.1695202883
              },
              {
                "average": 0,
                "count": 1282306,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691671.2303,
              2042499.989,
              -77.24423709,
              692300.0103,
              2043499.989,
              488.9757629
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691671.2302521514,
                    2042499.9887732447,
                    -77.24423708551637
                  ],
                  [
                    691671.2302521514,
                    2043499.9887732447,
                    -77.24423708551637
                  ],
                  [
                    692300.0102521514,
                    2043499.9887732447,
                    488.97576291448365
                  ],
                  [
                    692300.0102521514,
                    2042499.9887732447,
                    488.97576291448365
                  ],
                  [
                    691671.2302521514,
                    2042499.9887732447,
                    -77.24423708551637
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:31:18+00:00",
            "end_time": "2019-01-26T12:18:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_690300e_2036500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.19850999099323,
              18.40103464071635,
              -117.80447767440131
            ],
            [
              -67.19841600742836,
              18.4100685877622,
              -117.80447767440131
            ],
            [
              -67.18895222019839,
              18.409978611832745,
              493.51552232559874
            ],
            [
              -67.18904669680634,
              18.40094471201439,
              493.51552232559874
            ],
            [
              -67.19850999099323,
              18.40103464071635,
              -117.80447767440131
            ]
          ]
        ]
      },
      "bbox": [
        -67.19850999,
        18.40094471,
        -117.8044777,
        -67.18895222,
        18.41006859,
        493.5155223
      ],
      "properties": {
        "datetime": "2019-02-01T16:38:40Z",
        "pc:count": 25695159,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 690900.2241,
            "count": 25695159,
            "maximum": 691300.0103,
            "minimum": 690299.9903,
            "name": "X",
            "position": 0,
            "stddev": 271.9887803,
            "variance": 73977.89664
          },
          {
            "average": 2035885.407,
            "count": 25695159,
            "maximum": 2036500,
            "minimum": 2035499.98,
            "name": "Y",
            "position": 1,
            "stddev": 276.5341896,
            "variance": 76471.158
          },
          {
            "average": -0.636450943,
            "count": 25695159,
            "maximum": 493.5155223,
            "minimum": -117.8044777,
            "name": "Z",
            "position": 2,
            "stddev": 6.259673144,
            "variance": 39.18350787
          },
          {
            "average": 242.9257016,
            "count": 25695159,
            "maximum": 3717,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 355.9862183,
            "variance": 126726.1876
          },
          {
            "average": 2.321897716,
            "count": 25695159,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.496795883,
            "variance": 2.240397916
          },
          {
            "average": 3.644166047,
            "count": 25695159,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.911086615,
            "variance": 3.652252049
          },
          {
            "average": 0.552602068,
            "count": 25695159,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4972253333,
            "variance": 0.2472330321
          },
          {
            "average": 0.001437235707,
            "count": 25695159,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03788363916,
            "variance": 0.001435170116
          },
          {
            "average": 31.67164729,
            "count": 25695159,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.03917127,
            "variance": 401.5683853
          },
          {
            "average": -1.639844379,
            "count": 25695159,
            "maximum": 20.61599922,
            "minimum": -21.59399986,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.70943405,
            "variance": 187.9485819
          },
          {
            "average": 0.7421819807,
            "count": 25695159,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.755319625,
            "variance": 0.5705077358
          },
          {
            "average": 103.0117337,
            "count": 25695159,
            "maximum": 124,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.13726296,
            "variance": 4.567892959
          },
          {
            "average": 232546135.2,
            "count": 25695159,
            "maximum": 233074320.8,
            "minimum": 232540193.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 50293.91706,
            "variance": 2529478093
          },
          {
            "average": 0.7421819807,
            "count": 25695159,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.755319625,
            "variance": 0.5705077358
          },
          {
            "average": 0,
            "count": 25695159,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 25695159,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.264495425,
            "count": 25695159,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4410641708,
            "variance": 0.1945376027
          },
          {
            "average": 0,
            "count": 25695159,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          690299.9903,
          2035499.98,
          -117.8044777,
          691300.0103,
          2036500,
          493.5155223
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                690299.9903475301,
                2035499.9795524424,
                -117.80447767440131
              ],
              [
                690299.9903475301,
                2036499.9995524425,
                -117.80447767440131
              ],
              [
                691300.0103475301,
                2036499.9995524425,
                493.51552232559874
              ],
              [
                691300.0103475301,
                2035499.9795524424,
                493.51552232559874
              ],
              [
                690299.9903475301,
                2035499.9795524424,
                -117.80447767440131
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:38:40+00:00",
        "end_time": "2019-01-26T12:16:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_690300e_2036500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_690300e_2036500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_690300e_2036500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2036500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.19850999,
            18.40094471,
            -117.8044777,
            -67.18895222,
            18.41006859,
            493.5155223
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.19850999099323,
                  18.40103464071635,
                  -117.80447767440131
                ],
                [
                  -67.19841600742836,
                  18.4100685877622,
                  -117.80447767440131
                ],
                [
                  -67.18895222019839,
                  18.409978611832745,
                  493.51552232559874
                ],
                [
                  -67.18904669680634,
                  18.40094471201439,
                  493.51552232559874
                ],
                [
                  -67.19850999099323,
                  18.40103464071635,
                  -117.80447767440131
                ]
              ]
            ]
          },
          "id": "20190126_690300e_2036500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2036500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:38:40Z",
            "pc:count": 25695159,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 690900.2241,
                "count": 25695159,
                "maximum": 691300.0103,
                "minimum": 690299.9903,
                "name": "X",
                "position": 0,
                "stddev": 271.9887803,
                "variance": 73977.89664
              },
              {
                "average": 2035885.407,
                "count": 25695159,
                "maximum": 2036500,
                "minimum": 2035499.98,
                "name": "Y",
                "position": 1,
                "stddev": 276.5341896,
                "variance": 76471.158
              },
              {
                "average": -0.636450943,
                "count": 25695159,
                "maximum": 493.5155223,
                "minimum": -117.8044777,
                "name": "Z",
                "position": 2,
                "stddev": 6.259673144,
                "variance": 39.18350787
              },
              {
                "average": 242.9257016,
                "count": 25695159,
                "maximum": 3717,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 355.9862183,
                "variance": 126726.1876
              },
              {
                "average": 2.321897716,
                "count": 25695159,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.496795883,
                "variance": 2.240397916
              },
              {
                "average": 3.644166047,
                "count": 25695159,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.911086615,
                "variance": 3.652252049
              },
              {
                "average": 0.552602068,
                "count": 25695159,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4972253333,
                "variance": 0.2472330321
              },
              {
                "average": 0.001437235707,
                "count": 25695159,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03788363916,
                "variance": 0.001435170116
              },
              {
                "average": 31.67164729,
                "count": 25695159,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.03917127,
                "variance": 401.5683853
              },
              {
                "average": -1.639844379,
                "count": 25695159,
                "maximum": 20.61599922,
                "minimum": -21.59399986,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.70943405,
                "variance": 187.9485819
              },
              {
                "average": 0.7421819807,
                "count": 25695159,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.755319625,
                "variance": 0.5705077358
              },
              {
                "average": 103.0117337,
                "count": 25695159,
                "maximum": 124,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.13726296,
                "variance": 4.567892959
              },
              {
                "average": 232546135.2,
                "count": 25695159,
                "maximum": 233074320.8,
                "minimum": 232540193.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 50293.91706,
                "variance": 2529478093
              },
              {
                "average": 0.7421819807,
                "count": 25695159,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.755319625,
                "variance": 0.5705077358
              },
              {
                "average": 0,
                "count": 25695159,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 25695159,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.264495425,
                "count": 25695159,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4410641708,
                "variance": 0.1945376027
              },
              {
                "average": 0,
                "count": 25695159,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              690299.9903,
              2035499.98,
              -117.8044777,
              691300.0103,
              2036500,
              493.5155223
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    690299.9903475301,
                    2035499.9795524424,
                    -117.80447767440131
                  ],
                  [
                    690299.9903475301,
                    2036499.9995524425,
                    -117.80447767440131
                  ],
                  [
                    691300.0103475301,
                    2036499.9995524425,
                    493.51552232559874
                  ],
                  [
                    691300.0103475301,
                    2035499.9795524424,
                    493.51552232559874
                  ],
                  [
                    690299.9903475301,
                    2035499.9795524424,
                    -117.80447767440131
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:38:40+00:00",
            "end_time": "2019-01-26T12:16:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_718300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.93248401199713,
              18.488661948302223,
              -115.53894490163532
            ],
            [
              -66.93237560486835,
              18.497694387618612,
              -115.53894490163532
            ],
            [
              -66.92290851276064,
              18.49759069179659,
              545.8410550983647
            ],
            [
              -66.9230174153883,
              18.48855830667777,
              545.8410550983647
            ],
            [
              -66.93248401199713,
              18.488661948302223,
              -115.53894490163532
            ]
          ]
        ]
      },
      "bbox": [
        -66.93248401,
        18.48855831,
        -115.5389449,
        -66.92290851,
        18.49769439,
        545.8410551
      ],
      "properties": {
        "datetime": "2019-05-25T11:47:43Z",
        "pc:count": 9886832,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 718760.2399,
            "count": 9886832,
            "maximum": 719300.0103,
            "minimum": 718299.9903,
            "name": "X",
            "position": 0,
            "stddev": 288.0091286,
            "variance": 82949.25816
          },
          {
            "average": 2045841.909,
            "count": 9886832,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 303.3469114,
            "variance": 92019.34867
          },
          {
            "average": -1.811047136,
            "count": 9886832,
            "maximum": 545.8410551,
            "minimum": -115.5389449,
            "name": "Z",
            "position": 2,
            "stddev": 10.39080189,
            "variance": 107.9687639
          },
          {
            "average": 650.6744511,
            "count": 9886832,
            "maximum": 3314,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 533.6858322,
            "variance": 284820.5675
          },
          {
            "average": 1.265336561,
            "count": 9886832,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.610215077,
            "variance": 0.3723624402
          },
          {
            "average": 1.531555912,
            "count": 9886832,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8849181504,
            "variance": 0.783080133
          },
          {
            "average": 0.4643001924,
            "count": 9886832,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4987239205,
            "variance": 0.2487255489
          },
          {
            "average": 0.004156842151,
            "count": 9886832,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06433943762,
            "variance": 0.004139563233
          },
          {
            "average": 24.1275094,
            "count": 9886832,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.57774843,
            "variance": 465.5992274
          },
          {
            "average": 0.6602871572,
            "count": 9886832,
            "maximum": 24.68400002,
            "minimum": -23.45999908,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.55683367,
            "variance": 157.6740717
          },
          {
            "average": 0.8892290271,
            "count": 9886832,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9738370139,
            "variance": 0.9483585297
          },
          {
            "average": 159.5830935,
            "count": 9886832,
            "maximum": 815,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 214.7112967,
            "variance": 46100.94091
          },
          {
            "average": 233170760.8,
            "count": 9886832,
            "maximum": 242820063.7,
            "minimum": 232133389.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3161009.285,
            "variance": 9991979702000.0
          },
          {
            "average": 0.8892290271,
            "count": 9886832,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9738370139,
            "variance": 0.9483585297
          },
          {
            "average": 0,
            "count": 9886832,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9886832,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1512585629,
            "count": 9886832,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3583007438,
            "variance": 0.128379423
          },
          {
            "average": 0,
            "count": 9886832,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          718299.9903,
          2045499.979,
          -115.5389449,
          719300.0103,
          2046499.999,
          545.8410551
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                718299.9903135151,
                2045499.9794575435,
                -115.53894490163532
              ],
              [
                718299.9903135151,
                2046499.9994575435,
                -115.53894490163532
              ],
              [
                719300.0103135151,
                2046499.9994575435,
                545.8410550983647
              ],
              [
                719300.0103135151,
                2045499.9794575435,
                545.8410550983647
              ],
              [
                718299.9903135151,
                2045499.9794575435,
                -115.53894490163532
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:47:43+00:00",
        "end_time": "2019-01-21T19:16:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_718300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_718300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_718300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.93248401,
            18.48855831,
            -115.5389449,
            -66.92290851,
            18.49769439,
            545.8410551
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.93248401199713,
                  18.488661948302223,
                  -115.53894490163532
                ],
                [
                  -66.93237560486835,
                  18.497694387618612,
                  -115.53894490163532
                ],
                [
                  -66.92290851276064,
                  18.49759069179659,
                  545.8410550983647
                ],
                [
                  -66.9230174153883,
                  18.48855830667777,
                  545.8410550983647
                ],
                [
                  -66.93248401199713,
                  18.488661948302223,
                  -115.53894490163532
                ]
              ]
            ]
          },
          "id": "20190121_718300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:47:43Z",
            "pc:count": 9886832,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 718760.2399,
                "count": 9886832,
                "maximum": 719300.0103,
                "minimum": 718299.9903,
                "name": "X",
                "position": 0,
                "stddev": 288.0091286,
                "variance": 82949.25816
              },
              {
                "average": 2045841.909,
                "count": 9886832,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 303.3469114,
                "variance": 92019.34867
              },
              {
                "average": -1.811047136,
                "count": 9886832,
                "maximum": 545.8410551,
                "minimum": -115.5389449,
                "name": "Z",
                "position": 2,
                "stddev": 10.39080189,
                "variance": 107.9687639
              },
              {
                "average": 650.6744511,
                "count": 9886832,
                "maximum": 3314,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 533.6858322,
                "variance": 284820.5675
              },
              {
                "average": 1.265336561,
                "count": 9886832,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.610215077,
                "variance": 0.3723624402
              },
              {
                "average": 1.531555912,
                "count": 9886832,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8849181504,
                "variance": 0.783080133
              },
              {
                "average": 0.4643001924,
                "count": 9886832,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4987239205,
                "variance": 0.2487255489
              },
              {
                "average": 0.004156842151,
                "count": 9886832,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06433943762,
                "variance": 0.004139563233
              },
              {
                "average": 24.1275094,
                "count": 9886832,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.57774843,
                "variance": 465.5992274
              },
              {
                "average": 0.6602871572,
                "count": 9886832,
                "maximum": 24.68400002,
                "minimum": -23.45999908,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.55683367,
                "variance": 157.6740717
              },
              {
                "average": 0.8892290271,
                "count": 9886832,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9738370139,
                "variance": 0.9483585297
              },
              {
                "average": 159.5830935,
                "count": 9886832,
                "maximum": 815,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 214.7112967,
                "variance": 46100.94091
              },
              {
                "average": 233170760.8,
                "count": 9886832,
                "maximum": 242820063.7,
                "minimum": 232133389.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3161009.285,
                "variance": 9991979702000.0
              },
              {
                "average": 0.8892290271,
                "count": 9886832,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9738370139,
                "variance": 0.9483585297
              },
              {
                "average": 0,
                "count": 9886832,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9886832,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1512585629,
                "count": 9886832,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3583007438,
                "variance": 0.128379423
              },
              {
                "average": 0,
                "count": 9886832,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              718299.9903,
              2045499.979,
              -115.5389449,
              719300.0103,
              2046499.999,
              545.8410551
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    718299.9903135151,
                    2045499.9794575435,
                    -115.53894490163532
                  ],
                  [
                    718299.9903135151,
                    2046499.9994575435,
                    -115.53894490163532
                  ],
                  [
                    719300.0103135151,
                    2046499.9994575435,
                    545.8410550983647
                  ],
                  [
                    719300.0103135151,
                    2045499.9794575435,
                    545.8410550983647
                  ],
                  [
                    718299.9903135151,
                    2045499.9794575435,
                    -115.53894490163532
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:47:43+00:00",
            "end_time": "2019-01-21T19:16:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_722300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.89450831369803,
              18.49727667849969,
              -136.71414654249418
            ],
            [
              -66.89446280479626,
              18.50099877966144,
              -136.71414654249418
            ],
            [
              -66.88499576116283,
              18.500893169450602,
              538.8258534575058
            ],
            [
              -66.88504147431343,
              18.497171091032175,
              538.8258534575058
            ],
            [
              -66.89450831369803,
              18.49727667849969,
              -136.71414654249418
            ]
          ]
        ]
      },
      "bbox": [
        -66.89450831,
        18.49717109,
        -136.7141465,
        -66.88499576,
        18.50099878,
        538.8258535
      ],
      "properties": {
        "datetime": "2019-01-21T19:27:29Z",
        "pc:count": 2009750,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 722796.4499,
            "count": 2009750,
            "maximum": 723300.0165,
            "minimum": 722299.9965,
            "name": "X",
            "position": 0,
            "stddev": 286.5338391,
            "variance": 82101.64093
          },
          {
            "average": 2046669.958,
            "count": 2009750,
            "maximum": 2046912.089,
            "minimum": 2046499.989,
            "name": "Y",
            "position": 1,
            "stddev": 104.5054364,
            "variance": 10921.38624
          },
          {
            "average": 0.1581693475,
            "count": 2009750,
            "maximum": 538.8258535,
            "minimum": -136.7141465,
            "name": "Z",
            "position": 2,
            "stddev": 10.93182729,
            "variance": 119.504848
          },
          {
            "average": 779.8945416,
            "count": 2009750,
            "maximum": 2863,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 521.5408152,
            "variance": 272004.8219
          },
          {
            "average": 1.02015176,
            "count": 2009750,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1433275655,
            "variance": 0.02054279102
          },
          {
            "average": 1.040351785,
            "count": 2009750,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2027655937,
            "variance": 0.04111388601
          },
          {
            "average": 0.3870421694,
            "count": 2009750,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4870735535,
            "variance": 0.2372406466
          },
          {
            "average": 0.004936932454,
            "count": 2009750,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07008966826,
            "variance": 0.004912561597
          },
          {
            "average": 19.57681602,
            "count": 2009750,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.60513681,
            "variance": 466.7819367
          },
          {
            "average": 1.142386518,
            "count": 2009750,
            "maximum": 24.84600067,
            "minimum": -22.34399986,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.14076636,
            "variance": 147.3982078
          },
          {
            "average": 1.014264958,
            "count": 2009750,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.113542881,
            "variance": 1.239977747
          },
          {
            "average": 86.25194029,
            "count": 2009750,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4341272562,
            "variance": 0.1884664746
          },
          {
            "average": 232133604.4,
            "count": 2009750,
            "maximum": 232134049.1,
            "minimum": 232133447.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 252.6084906,
            "variance": 63811.04953
          },
          {
            "average": 1.014264958,
            "count": 2009750,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.113542881,
            "variance": 1.239977747
          },
          {
            "average": 0,
            "count": 2009750,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2009750,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.103631795,
            "count": 2009750,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3047823687,
            "variance": 0.09289229229
          },
          {
            "average": 0,
            "count": 2009750,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          722299.9965,
          2046499.989,
          -136.7141465,
          723300.0165,
          2046912.089,
          538.8258535
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                722299.9965358467,
                2046499.9888272446,
                -136.71414654249418
              ],
              [
                722299.9965358467,
                2046912.0888272447,
                -136.71414654249418
              ],
              [
                723300.0165358467,
                2046912.0888272447,
                538.8258534575058
              ],
              [
                723300.0165358467,
                2046499.9888272446,
                538.8258534575058
              ],
              [
                722299.9965358467,
                2046499.9888272446,
                -136.71414654249418
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:27:29+00:00",
        "end_time": "2019-01-21T19:17:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_722300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_722300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_722300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.89450831,
            18.49717109,
            -136.7141465,
            -66.88499576,
            18.50099878,
            538.8258535
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.89450831369803,
                  18.49727667849969,
                  -136.71414654249418
                ],
                [
                  -66.89446280479626,
                  18.50099877966144,
                  -136.71414654249418
                ],
                [
                  -66.88499576116283,
                  18.500893169450602,
                  538.8258534575058
                ],
                [
                  -66.88504147431343,
                  18.497171091032175,
                  538.8258534575058
                ],
                [
                  -66.89450831369803,
                  18.49727667849969,
                  -136.71414654249418
                ]
              ]
            ]
          },
          "id": "20190121_722300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:27:29Z",
            "pc:count": 2009750,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 722796.4499,
                "count": 2009750,
                "maximum": 723300.0165,
                "minimum": 722299.9965,
                "name": "X",
                "position": 0,
                "stddev": 286.5338391,
                "variance": 82101.64093
              },
              {
                "average": 2046669.958,
                "count": 2009750,
                "maximum": 2046912.089,
                "minimum": 2046499.989,
                "name": "Y",
                "position": 1,
                "stddev": 104.5054364,
                "variance": 10921.38624
              },
              {
                "average": 0.1581693475,
                "count": 2009750,
                "maximum": 538.8258535,
                "minimum": -136.7141465,
                "name": "Z",
                "position": 2,
                "stddev": 10.93182729,
                "variance": 119.504848
              },
              {
                "average": 779.8945416,
                "count": 2009750,
                "maximum": 2863,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 521.5408152,
                "variance": 272004.8219
              },
              {
                "average": 1.02015176,
                "count": 2009750,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1433275655,
                "variance": 0.02054279102
              },
              {
                "average": 1.040351785,
                "count": 2009750,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2027655937,
                "variance": 0.04111388601
              },
              {
                "average": 0.3870421694,
                "count": 2009750,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4870735535,
                "variance": 0.2372406466
              },
              {
                "average": 0.004936932454,
                "count": 2009750,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07008966826,
                "variance": 0.004912561597
              },
              {
                "average": 19.57681602,
                "count": 2009750,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.60513681,
                "variance": 466.7819367
              },
              {
                "average": 1.142386518,
                "count": 2009750,
                "maximum": 24.84600067,
                "minimum": -22.34399986,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.14076636,
                "variance": 147.3982078
              },
              {
                "average": 1.014264958,
                "count": 2009750,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.113542881,
                "variance": 1.239977747
              },
              {
                "average": 86.25194029,
                "count": 2009750,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4341272562,
                "variance": 0.1884664746
              },
              {
                "average": 232133604.4,
                "count": 2009750,
                "maximum": 232134049.1,
                "minimum": 232133447.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 252.6084906,
                "variance": 63811.04953
              },
              {
                "average": 1.014264958,
                "count": 2009750,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.113542881,
                "variance": 1.239977747
              },
              {
                "average": 0,
                "count": 2009750,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2009750,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.103631795,
                "count": 2009750,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3047823687,
                "variance": 0.09289229229
              },
              {
                "average": 0,
                "count": 2009750,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              722299.9965,
              2046499.989,
              -136.7141465,
              723300.0165,
              2046912.089,
              538.8258535
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    722299.9965358467,
                    2046499.9888272446,
                    -136.71414654249418
                  ],
                  [
                    722299.9965358467,
                    2046912.0888272447,
                    -136.71414654249418
                  ],
                  [
                    723300.0165358467,
                    2046912.0888272447,
                    538.8258534575058
                  ],
                  [
                    723300.0165358467,
                    2046499.9888272446,
                    538.8258534575058
                  ],
                  [
                    722299.9965358467,
                    2046499.9888272446,
                    -136.71414654249418
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:27:29+00:00",
            "end_time": "2019-01-21T19:17:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_709300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.01758050671054,
              18.498606280699377,
              -142.14872423029453
            ],
            [
              -67.01747650183687,
              18.50763900683296,
              -142.14872423029453
            ],
            [
              -67.00800836190595,
              18.507539516019477,
              545.9712757697055
            ],
            [
              -67.00811286268755,
              18.498506841863275,
              545.9712757697055
            ],
            [
              -67.01758050671054,
              18.498606280699377,
              -142.14872423029453
            ]
          ]
        ]
      },
      "bbox": [
        -67.01758051,
        18.49850684,
        -142.1487242,
        -67.00800836,
        18.50763901,
        545.9712758
      ],
      "properties": {
        "datetime": "2019-05-25T11:45:13Z",
        "pc:count": 26556251,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 709838.1329,
            "count": 26556251,
            "maximum": 710300.0104,
            "minimum": 709299.9904,
            "name": "X",
            "position": 0,
            "stddev": 290.5172669,
            "variance": 84400.28238
          },
          {
            "average": 2047163.534,
            "count": 26556251,
            "maximum": 2047499.992,
            "minimum": 2046499.992,
            "name": "Y",
            "position": 1,
            "stddev": 230.7177709,
            "variance": 53230.6898
          },
          {
            "average": 28.02536902,
            "count": 26556251,
            "maximum": 545.9712758,
            "minimum": -142.1487242,
            "name": "Z",
            "position": 2,
            "stddev": 28.27780705,
            "variance": 799.6343716
          },
          {
            "average": 1404.634979,
            "count": 26556251,
            "maximum": 4632,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 554.9027415,
            "variance": 307917.0526
          },
          {
            "average": 1.87764779,
            "count": 26556251,
            "maximum": 11,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.330938273,
            "variance": 1.771396686
          },
          {
            "average": 2.755307404,
            "count": 26556251,
            "maximum": 11,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.91476277,
            "variance": 3.666316465
          },
          {
            "average": 0.3638022927,
            "count": 26556251,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4810927075,
            "variance": 0.2314501932
          },
          {
            "average": 0.00128444335,
            "count": 26556251,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03581610816,
            "variance": 0.001282793604
          },
          {
            "average": 2.05259033,
            "count": 26556251,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.946481966,
            "variance": 35.36064777
          },
          {
            "average": 2.593564547,
            "count": 26556251,
            "maximum": 23.30400085,
            "minimum": -22.96199989,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.74082838,
            "variance": 188.8103644
          },
          {
            "average": 1.027208585,
            "count": 26556251,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.139677034,
            "variance": 1.298863741
          },
          {
            "average": 228.4639588,
            "count": 26556251,
            "maximum": 815,
            "minimum": 83,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 290.5028406,
            "variance": 84391.9004
          },
          {
            "average": 234237798.8,
            "count": 26556251,
            "maximum": 242819913.2,
            "minimum": 232131683,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4250574.921,
            "variance": 18067387160000.0
          },
          {
            "average": 1.027208585,
            "count": 26556251,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.139677034,
            "variance": 1.298863741
          },
          {
            "average": 0,
            "count": 26556251,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26556251,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2497629278,
            "count": 26556251,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4328757498,
            "variance": 0.1873814147
          },
          {
            "average": 0,
            "count": 26556251,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          709299.9904,
          2046499.992,
          -142.1487242,
          710300.0104,
          2047499.992,
          545.9712758
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                709299.9903689392,
                2046499.9920510785,
                -142.14872423029453
              ],
              [
                709299.9903689392,
                2047499.9920510785,
                -142.14872423029453
              ],
              [
                710300.0103689393,
                2047499.9920510785,
                545.9712757697055
              ],
              [
                710300.0103689393,
                2046499.9920510785,
                545.9712757697055
              ],
              [
                709299.9903689392,
                2046499.9920510785,
                -142.14872423029453
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:45:13+00:00",
        "end_time": "2019-01-21T18:48:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_709300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_709300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_709300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_709300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.01758051,
            18.49850684,
            -142.1487242,
            -67.00800836,
            18.50763901,
            545.9712758
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.01758050671054,
                  18.498606280699377,
                  -142.14872423029453
                ],
                [
                  -67.01747650183687,
                  18.50763900683296,
                  -142.14872423029453
                ],
                [
                  -67.00800836190595,
                  18.507539516019477,
                  545.9712757697055
                ],
                [
                  -67.00811286268755,
                  18.498506841863275,
                  545.9712757697055
                ],
                [
                  -67.01758050671054,
                  18.498606280699377,
                  -142.14872423029453
                ]
              ]
            ]
          },
          "id": "20190121_709300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_709300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:45:13Z",
            "pc:count": 26556251,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 709838.1329,
                "count": 26556251,
                "maximum": 710300.0104,
                "minimum": 709299.9904,
                "name": "X",
                "position": 0,
                "stddev": 290.5172669,
                "variance": 84400.28238
              },
              {
                "average": 2047163.534,
                "count": 26556251,
                "maximum": 2047499.992,
                "minimum": 2046499.992,
                "name": "Y",
                "position": 1,
                "stddev": 230.7177709,
                "variance": 53230.6898
              },
              {
                "average": 28.02536902,
                "count": 26556251,
                "maximum": 545.9712758,
                "minimum": -142.1487242,
                "name": "Z",
                "position": 2,
                "stddev": 28.27780705,
                "variance": 799.6343716
              },
              {
                "average": 1404.634979,
                "count": 26556251,
                "maximum": 4632,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 554.9027415,
                "variance": 307917.0526
              },
              {
                "average": 1.87764779,
                "count": 26556251,
                "maximum": 11,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.330938273,
                "variance": 1.771396686
              },
              {
                "average": 2.755307404,
                "count": 26556251,
                "maximum": 11,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.91476277,
                "variance": 3.666316465
              },
              {
                "average": 0.3638022927,
                "count": 26556251,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4810927075,
                "variance": 0.2314501932
              },
              {
                "average": 0.00128444335,
                "count": 26556251,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03581610816,
                "variance": 0.001282793604
              },
              {
                "average": 2.05259033,
                "count": 26556251,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.946481966,
                "variance": 35.36064777
              },
              {
                "average": 2.593564547,
                "count": 26556251,
                "maximum": 23.30400085,
                "minimum": -22.96199989,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.74082838,
                "variance": 188.8103644
              },
              {
                "average": 1.027208585,
                "count": 26556251,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.139677034,
                "variance": 1.298863741
              },
              {
                "average": 228.4639588,
                "count": 26556251,
                "maximum": 815,
                "minimum": 83,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 290.5028406,
                "variance": 84391.9004
              },
              {
                "average": 234237798.8,
                "count": 26556251,
                "maximum": 242819913.2,
                "minimum": 232131683,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4250574.921,
                "variance": 18067387160000.0
              },
              {
                "average": 1.027208585,
                "count": 26556251,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.139677034,
                "variance": 1.298863741
              },
              {
                "average": 0,
                "count": 26556251,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26556251,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2497629278,
                "count": 26556251,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4328757498,
                "variance": 0.1873814147
              },
              {
                "average": 0,
                "count": 26556251,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              709299.9904,
              2046499.992,
              -142.1487242,
              710300.0104,
              2047499.992,
              545.9712758
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    709299.9903689392,
                    2046499.9920510785,
                    -142.14872423029453
                  ],
                  [
                    709299.9903689392,
                    2047499.9920510785,
                    -142.14872423029453
                  ],
                  [
                    710300.0103689393,
                    2047499.9920510785,
                    545.9712757697055
                  ],
                  [
                    710300.0103689393,
                    2046499.9920510785,
                    545.9712757697055
                  ],
                  [
                    709299.9903689392,
                    2046499.9920510785,
                    -142.14872423029453
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:45:13+00:00",
            "end_time": "2019-01-21T18:48:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_694300e_2038500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16046593768436,
              18.41873925159,
              -136.21704997063728
            ],
            [
              -67.1603698710928,
              18.42777299012263,
              -136.21704997063728
            ],
            [
              -67.15090531725743,
              18.427681034555786,
              587.9629500293628
            ],
            [
              -67.15100187740899,
              18.418647344248626,
              587.9629500293628
            ],
            [
              -67.16046593768436,
              18.41873925159,
              -136.21704997063728
            ]
          ]
        ]
      },
      "bbox": [
        -67.16046594,
        18.41864734,
        -136.21705,
        -67.15090532,
        18.42777299,
        587.96295
      ],
      "properties": {
        "datetime": "2019-01-27T15:00:03Z",
        "pc:count": 22709991,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694870.7456,
            "count": 22709991,
            "maximum": 695300.0103,
            "minimum": 694299.9903,
            "name": "X",
            "position": 0,
            "stddev": 286.1672716,
            "variance": 81891.70734
          },
          {
            "average": 2037988.91,
            "count": 22709991,
            "maximum": 2038499.999,
            "minimum": 2037499.979,
            "name": "Y",
            "position": 1,
            "stddev": 287.4772071,
            "variance": 82643.1446
          },
          {
            "average": 18.50950334,
            "count": 22709991,
            "maximum": 587.96295,
            "minimum": -136.21705,
            "name": "Z",
            "position": 2,
            "stddev": 28.42613214,
            "variance": 808.0449882
          },
          {
            "average": 1081.401368,
            "count": 22709991,
            "maximum": 4690,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 664.8118297,
            "variance": 441974.769
          },
          {
            "average": 1.792034176,
            "count": 22709991,
            "maximum": 10,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.263739632,
            "variance": 1.597037858
          },
          {
            "average": 2.584883675,
            "count": 22709991,
            "maximum": 10,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.83694382,
            "variance": 3.374362598
          },
          {
            "average": 0.4089958908,
            "count": 22709991,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4916485155,
            "variance": 0.2417182628
          },
          {
            "average": 0.001531836803,
            "count": 22709991,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03910869911,
            "variance": 0.001529490346
          },
          {
            "average": 11.42659105,
            "count": 22709991,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 17.90006834,
            "variance": 320.4124466
          },
          {
            "average": -3.284903986,
            "count": 22709991,
            "maximum": 20.98800087,
            "minimum": -22.51199913,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.05725354,
            "variance": 170.4918701
          },
          {
            "average": 1.010033866,
            "count": 22709991,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.091741879,
            "variance": 1.191900331
          },
          {
            "average": 115.4856404,
            "count": 22709991,
            "maximum": 117,
            "minimum": 113,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.195332941,
            "variance": 1.428820839
          },
          {
            "average": 232636041.9,
            "count": 22709991,
            "maximum": 232636403.8,
            "minimum": 232635435.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 286.5386216,
            "variance": 82104.38168
          },
          {
            "average": 1.010013302,
            "count": 22709991,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.091751486,
            "variance": 1.191921307
          },
          {
            "average": 0,
            "count": 22709991,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22709991,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2272017193,
            "count": 22709991,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4190239919,
            "variance": 0.1755811058
          },
          {
            "average": 0,
            "count": 22709991,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9903,
          2037499.979,
          -136.21705,
          695300.0103,
          2038499.999,
          587.96295
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9902996821,
                2037499.9794265975,
                -136.21704997063728
              ],
              [
                694299.9902996821,
                2038499.9994265975,
                -136.21704997063728
              ],
              [
                695300.0102996822,
                2038499.9994265975,
                587.9629500293628
              ],
              [
                695300.0102996822,
                2037499.9794265975,
                587.9629500293628
              ],
              [
                694299.9902996821,
                2037499.9794265975,
                -136.21704997063728
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T15:00:03+00:00",
        "end_time": "2019-01-27T14:43:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_694300e_2038500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_694300e_2038500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_694300e_2038500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2038500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16046594,
            18.41864734,
            -136.21705,
            -67.15090532,
            18.42777299,
            587.96295
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16046593768436,
                  18.41873925159,
                  -136.21704997063728
                ],
                [
                  -67.1603698710928,
                  18.42777299012263,
                  -136.21704997063728
                ],
                [
                  -67.15090531725743,
                  18.427681034555786,
                  587.9629500293628
                ],
                [
                  -67.15100187740899,
                  18.418647344248626,
                  587.9629500293628
                ],
                [
                  -67.16046593768436,
                  18.41873925159,
                  -136.21704997063728
                ]
              ]
            ]
          },
          "id": "20190127_694300e_2038500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2038500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T15:00:03Z",
            "pc:count": 22709991,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694870.7456,
                "count": 22709991,
                "maximum": 695300.0103,
                "minimum": 694299.9903,
                "name": "X",
                "position": 0,
                "stddev": 286.1672716,
                "variance": 81891.70734
              },
              {
                "average": 2037988.91,
                "count": 22709991,
                "maximum": 2038499.999,
                "minimum": 2037499.979,
                "name": "Y",
                "position": 1,
                "stddev": 287.4772071,
                "variance": 82643.1446
              },
              {
                "average": 18.50950334,
                "count": 22709991,
                "maximum": 587.96295,
                "minimum": -136.21705,
                "name": "Z",
                "position": 2,
                "stddev": 28.42613214,
                "variance": 808.0449882
              },
              {
                "average": 1081.401368,
                "count": 22709991,
                "maximum": 4690,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 664.8118297,
                "variance": 441974.769
              },
              {
                "average": 1.792034176,
                "count": 22709991,
                "maximum": 10,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.263739632,
                "variance": 1.597037858
              },
              {
                "average": 2.584883675,
                "count": 22709991,
                "maximum": 10,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.83694382,
                "variance": 3.374362598
              },
              {
                "average": 0.4089958908,
                "count": 22709991,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4916485155,
                "variance": 0.2417182628
              },
              {
                "average": 0.001531836803,
                "count": 22709991,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03910869911,
                "variance": 0.001529490346
              },
              {
                "average": 11.42659105,
                "count": 22709991,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 17.90006834,
                "variance": 320.4124466
              },
              {
                "average": -3.284903986,
                "count": 22709991,
                "maximum": 20.98800087,
                "minimum": -22.51199913,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.05725354,
                "variance": 170.4918701
              },
              {
                "average": 1.010033866,
                "count": 22709991,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.091741879,
                "variance": 1.191900331
              },
              {
                "average": 115.4856404,
                "count": 22709991,
                "maximum": 117,
                "minimum": 113,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.195332941,
                "variance": 1.428820839
              },
              {
                "average": 232636041.9,
                "count": 22709991,
                "maximum": 232636403.8,
                "minimum": 232635435.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 286.5386216,
                "variance": 82104.38168
              },
              {
                "average": 1.010013302,
                "count": 22709991,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.091751486,
                "variance": 1.191921307
              },
              {
                "average": 0,
                "count": 22709991,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22709991,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2272017193,
                "count": 22709991,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4190239919,
                "variance": 0.1755811058
              },
              {
                "average": 0,
                "count": 22709991,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9903,
              2037499.979,
              -136.21705,
              695300.0103,
              2038499.999,
              587.96295
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9902996821,
                    2037499.9794265975,
                    -136.21704997063728
                  ],
                  [
                    694299.9902996821,
                    2038499.9994265975,
                    -136.21704997063728
                  ],
                  [
                    695300.0102996822,
                    2038499.9994265975,
                    587.9629500293628
                  ],
                  [
                    695300.0102996822,
                    2037499.9794265975,
                    587.9629500293628
                  ],
                  [
                    694299.9902996821,
                    2037499.9794265975,
                    -136.21704997063728
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T15:00:03+00:00",
            "end_time": "2019-01-27T14:43:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2035500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17965818588456,
              18.39377801797679,
              -132.99647896878878
            ],
            [
              -67.17958383221558,
              18.400854460663584,
              -132.99647896878878
            ],
            [
              -67.17090039627031,
              18.400771096147853,
              541.1835210312113
            ],
            [
              -67.17097510412746,
              18.393694687752014,
              541.1835210312113
            ],
            [
              -67.17965818588456,
              18.39377801797679,
              -132.99647896878878
            ]
          ]
        ]
      },
      "bbox": [
        -67.17965819,
        18.39369469,
        -132.996479,
        -67.1709004,
        18.40085446,
        541.183521
      ],
      "properties": {
        "datetime": "2019-01-27T14:33:53Z",
        "pc:count": 3642981,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692624.7623,
            "count": 3642981,
            "maximum": 693217.6106,
            "minimum": 692299.9906,
            "name": "X",
            "position": 0,
            "stddev": 263.8875864,
            "variance": 69636.65824
          },
          {
            "average": 2035291.124,
            "count": 3642981,
            "maximum": 2035499.996,
            "minimum": 2034716.656,
            "name": "Y",
            "position": 1,
            "stddev": 176.0277529,
            "variance": 30985.7698
          },
          {
            "average": 3.093778576,
            "count": 3642981,
            "maximum": 541.183521,
            "minimum": -132.996479,
            "name": "Z",
            "position": 2,
            "stddev": 13.55437944,
            "variance": 183.7212021
          },
          {
            "average": 1668.898234,
            "count": 3642981,
            "maximum": 4253,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 415.4363839,
            "variance": 172587.3891
          },
          {
            "average": 1.310847353,
            "count": 3642981,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8362311081,
            "variance": 0.6992824661
          },
          {
            "average": 1.621427342,
            "count": 3642981,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.299932509,
            "variance": 1.689824527
          },
          {
            "average": 0.4150674955,
            "count": 3642981,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4927337378,
            "variance": 0.2427865363
          },
          {
            "average": 0.001891582745,
            "count": 3642981,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04345118155,
            "variance": 0.001888005178
          },
          {
            "average": 1.843567123,
            "count": 3642981,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.702428163,
            "variance": 22.11283063
          },
          {
            "average": 6.410166679,
            "count": 3642981,
            "maximum": 20.64599991,
            "minimum": -21.63599968,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.09755466,
            "variance": 146.3508287
          },
          {
            "average": 1.19431806,
            "count": 3642981,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.151704791,
            "variance": 1.326423924
          },
          {
            "average": 109.517547,
            "count": 3642981,
            "maximum": 111,
            "minimum": 108,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8825590957,
            "variance": 0.7789105574
          },
          {
            "average": 232627835.5,
            "count": 3642981,
            "maximum": 232634833.6,
            "minimum": 232543453.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 23521.01879,
            "variance": 553238324.9
          },
          {
            "average": 1.19431806,
            "count": 3642981,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.151704791,
            "variance": 1.326423924
          },
          {
            "average": 0,
            "count": 3642981,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3642981,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2633296742,
            "count": 3642981,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4404397917,
            "variance": 0.1939872102
          },
          {
            "average": 0,
            "count": 3642981,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692299.9906,
          2034716.656,
          -132.996479,
          693217.6106,
          2035499.996,
          541.183521
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692299.990561092,
                2034716.6555286273,
                -132.99647896878878
              ],
              [
                692299.990561092,
                2035499.9955286272,
                -132.99647896878878
              ],
              [
                693217.6105610922,
                2035499.9955286272,
                541.1835210312113
              ],
              [
                693217.6105610922,
                2034716.6555286273,
                541.1835210312113
              ],
              [
                692299.990561092,
                2034716.6555286273,
                -132.99647896878878
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:33:53+00:00",
        "end_time": "2019-01-26T13:10:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2035500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2035500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2035500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2035500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17965819,
            18.39369469,
            -132.996479,
            -67.1709004,
            18.40085446,
            541.183521
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17965818588456,
                  18.39377801797679,
                  -132.99647896878878
                ],
                [
                  -67.17958383221558,
                  18.400854460663584,
                  -132.99647896878878
                ],
                [
                  -67.17090039627031,
                  18.400771096147853,
                  541.1835210312113
                ],
                [
                  -67.17097510412746,
                  18.393694687752014,
                  541.1835210312113
                ],
                [
                  -67.17965818588456,
                  18.39377801797679,
                  -132.99647896878878
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2035500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2035500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:33:53Z",
            "pc:count": 3642981,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692624.7623,
                "count": 3642981,
                "maximum": 693217.6106,
                "minimum": 692299.9906,
                "name": "X",
                "position": 0,
                "stddev": 263.8875864,
                "variance": 69636.65824
              },
              {
                "average": 2035291.124,
                "count": 3642981,
                "maximum": 2035499.996,
                "minimum": 2034716.656,
                "name": "Y",
                "position": 1,
                "stddev": 176.0277529,
                "variance": 30985.7698
              },
              {
                "average": 3.093778576,
                "count": 3642981,
                "maximum": 541.183521,
                "minimum": -132.996479,
                "name": "Z",
                "position": 2,
                "stddev": 13.55437944,
                "variance": 183.7212021
              },
              {
                "average": 1668.898234,
                "count": 3642981,
                "maximum": 4253,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 415.4363839,
                "variance": 172587.3891
              },
              {
                "average": 1.310847353,
                "count": 3642981,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8362311081,
                "variance": 0.6992824661
              },
              {
                "average": 1.621427342,
                "count": 3642981,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.299932509,
                "variance": 1.689824527
              },
              {
                "average": 0.4150674955,
                "count": 3642981,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4927337378,
                "variance": 0.2427865363
              },
              {
                "average": 0.001891582745,
                "count": 3642981,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04345118155,
                "variance": 0.001888005178
              },
              {
                "average": 1.843567123,
                "count": 3642981,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.702428163,
                "variance": 22.11283063
              },
              {
                "average": 6.410166679,
                "count": 3642981,
                "maximum": 20.64599991,
                "minimum": -21.63599968,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.09755466,
                "variance": 146.3508287
              },
              {
                "average": 1.19431806,
                "count": 3642981,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.151704791,
                "variance": 1.326423924
              },
              {
                "average": 109.517547,
                "count": 3642981,
                "maximum": 111,
                "minimum": 108,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8825590957,
                "variance": 0.7789105574
              },
              {
                "average": 232627835.5,
                "count": 3642981,
                "maximum": 232634833.6,
                "minimum": 232543453.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 23521.01879,
                "variance": 553238324.9
              },
              {
                "average": 1.19431806,
                "count": 3642981,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.151704791,
                "variance": 1.326423924
              },
              {
                "average": 0,
                "count": 3642981,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3642981,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2633296742,
                "count": 3642981,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4404397917,
                "variance": 0.1939872102
              },
              {
                "average": 0,
                "count": 3642981,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692299.9906,
              2034716.656,
              -132.996479,
              693217.6106,
              2035499.996,
              541.183521
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692299.990561092,
                    2034716.6555286273,
                    -132.99647896878878
                  ],
                  [
                    692299.990561092,
                    2035499.9955286272,
                    -132.99647896878878
                  ],
                  [
                    693217.6105610922,
                    2035499.9955286272,
                    541.1835210312113
                  ],
                  [
                    693217.6105610922,
                    2034716.6555286273,
                    541.1835210312113
                  ],
                  [
                    692299.990561092,
                    2034716.6555286273,
                    -132.99647896878878
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:33:53+00:00",
            "end_time": "2019-01-26T13:10:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_720300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.91355126047199,
              18.48845419612031,
              -109.64950359463984
            ],
            [
              -66.91344186238047,
              18.49748652679661,
              -109.64950359463984
            ],
            [
              -66.9039748960608,
              18.497381885125623,
              548.7904964053603
            ],
            [
              -66.90408478962078,
              18.488349609141128,
              548.7904964053603
            ],
            [
              -66.91355126047199,
              18.48845419612031,
              -109.64950359463984
            ]
          ]
        ]
      },
      "bbox": [
        -66.91355126,
        18.48834961,
        -109.6495036,
        -66.9039749,
        18.49748653,
        548.7904964
      ],
      "properties": {
        "datetime": "2019-01-21T20:03:41Z",
        "pc:count": 6610898,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 720797.405,
            "count": 6610898,
            "maximum": 721300.0103,
            "minimum": 720299.9903,
            "name": "X",
            "position": 0,
            "stddev": 288.362702,
            "variance": 83153.04792
          },
          {
            "average": 2045982.616,
            "count": 6610898,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 285.7754414,
            "variance": 81667.60292
          },
          {
            "average": 0.2240318373,
            "count": 6610898,
            "maximum": 548.7904964,
            "minimum": -109.6495036,
            "name": "Z",
            "position": 2,
            "stddev": 11.7964272,
            "variance": 139.1556948
          },
          {
            "average": 761.6379823,
            "count": 6610898,
            "maximum": 3164,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 524.7895261,
            "variance": 275404.0467
          },
          {
            "average": 1.023832012,
            "count": 6610898,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1561761118,
            "variance": 0.02439097791
          },
          {
            "average": 1.047794566,
            "count": 6610898,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2211220633,
            "variance": 0.0488949669
          },
          {
            "average": 0.4094393833,
            "count": 6610898,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4917304254,
            "variance": 0.2417988113
          },
          {
            "average": 0.005688788422,
            "count": 6610898,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07520922127,
            "variance": 0.005656426964
          },
          {
            "average": 19.28058397,
            "count": 6610898,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.56944304,
            "variance": 465.240873
          },
          {
            "average": -0.3986270756,
            "count": 6610898,
            "maximum": 24.40200043,
            "minimum": -22.99200058,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.35101092,
            "variance": 152.5474707
          },
          {
            "average": 1.04691405,
            "count": 6610898,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.107174124,
            "variance": 1.225834541
          },
          {
            "average": 88.77084429,
            "count": 6610898,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.221062375,
            "variance": 1.490993324
          },
          {
            "average": 232134997,
            "count": 6610898,
            "maximum": 232136221.4,
            "minimum": 232133418,
            "name": "GpsTime",
            "position": 12,
            "stddev": 654.5848864,
            "variance": 428481.3735
          },
          {
            "average": 1.04691405,
            "count": 6610898,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.107174124,
            "variance": 1.225834541
          },
          {
            "average": 0,
            "count": 6610898,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6610898,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1696757385,
            "count": 6610898,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3753477102,
            "variance": 0.1408859035
          },
          {
            "average": 0,
            "count": 6610898,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          720299.9903,
          2045499.979,
          -109.6495036,
          721300.0103,
          2046499.999,
          548.7904964
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                720299.9902820834,
                2045499.9794114206,
                -109.64950359463984
              ],
              [
                720299.9902820834,
                2046499.9994114207,
                -109.64950359463984
              ],
              [
                721300.0102820834,
                2046499.9994114207,
                548.7904964053603
              ],
              [
                721300.0102820834,
                2045499.9794114206,
                548.7904964053603
              ],
              [
                720299.9902820834,
                2045499.9794114206,
                -109.64950359463984
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:03:41+00:00",
        "end_time": "2019-01-21T19:16:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_720300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_720300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_720300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.91355126,
            18.48834961,
            -109.6495036,
            -66.9039749,
            18.49748653,
            548.7904964
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.91355126047199,
                  18.48845419612031,
                  -109.64950359463984
                ],
                [
                  -66.91344186238047,
                  18.49748652679661,
                  -109.64950359463984
                ],
                [
                  -66.9039748960608,
                  18.497381885125623,
                  548.7904964053603
                ],
                [
                  -66.90408478962078,
                  18.488349609141128,
                  548.7904964053603
                ],
                [
                  -66.91355126047199,
                  18.48845419612031,
                  -109.64950359463984
                ]
              ]
            ]
          },
          "id": "20190121_720300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:03:41Z",
            "pc:count": 6610898,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 720797.405,
                "count": 6610898,
                "maximum": 721300.0103,
                "minimum": 720299.9903,
                "name": "X",
                "position": 0,
                "stddev": 288.362702,
                "variance": 83153.04792
              },
              {
                "average": 2045982.616,
                "count": 6610898,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 285.7754414,
                "variance": 81667.60292
              },
              {
                "average": 0.2240318373,
                "count": 6610898,
                "maximum": 548.7904964,
                "minimum": -109.6495036,
                "name": "Z",
                "position": 2,
                "stddev": 11.7964272,
                "variance": 139.1556948
              },
              {
                "average": 761.6379823,
                "count": 6610898,
                "maximum": 3164,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 524.7895261,
                "variance": 275404.0467
              },
              {
                "average": 1.023832012,
                "count": 6610898,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1561761118,
                "variance": 0.02439097791
              },
              {
                "average": 1.047794566,
                "count": 6610898,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2211220633,
                "variance": 0.0488949669
              },
              {
                "average": 0.4094393833,
                "count": 6610898,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4917304254,
                "variance": 0.2417988113
              },
              {
                "average": 0.005688788422,
                "count": 6610898,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07520922127,
                "variance": 0.005656426964
              },
              {
                "average": 19.28058397,
                "count": 6610898,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.56944304,
                "variance": 465.240873
              },
              {
                "average": -0.3986270756,
                "count": 6610898,
                "maximum": 24.40200043,
                "minimum": -22.99200058,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.35101092,
                "variance": 152.5474707
              },
              {
                "average": 1.04691405,
                "count": 6610898,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.107174124,
                "variance": 1.225834541
              },
              {
                "average": 88.77084429,
                "count": 6610898,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.221062375,
                "variance": 1.490993324
              },
              {
                "average": 232134997,
                "count": 6610898,
                "maximum": 232136221.4,
                "minimum": 232133418,
                "name": "GpsTime",
                "position": 12,
                "stddev": 654.5848864,
                "variance": 428481.3735
              },
              {
                "average": 1.04691405,
                "count": 6610898,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.107174124,
                "variance": 1.225834541
              },
              {
                "average": 0,
                "count": 6610898,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6610898,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1696757385,
                "count": 6610898,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3753477102,
                "variance": 0.1408859035
              },
              {
                "average": 0,
                "count": 6610898,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              720299.9903,
              2045499.979,
              -109.6495036,
              721300.0103,
              2046499.999,
              548.7904964
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    720299.9902820834,
                    2045499.9794114206,
                    -109.64950359463984
                  ],
                  [
                    720299.9902820834,
                    2046499.9994114207,
                    -109.64950359463984
                  ],
                  [
                    721300.0102820834,
                    2046499.9994114207,
                    548.7904964053603
                  ],
                  [
                    721300.0102820834,
                    2045499.9794114206,
                    548.7904964053603
                  ],
                  [
                    720299.9902820834,
                    2045499.9794114206,
                    -109.64950359463984
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:03:41+00:00",
            "end_time": "2019-01-21T19:16:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2041500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18857396474587,
              18.446113215144806,
              -100.48261323962251
            ],
            [
              -67.18847921489092,
              18.455147069695407,
              -100.48261323962251
            ],
            [
              -67.1790130129102,
              18.455056385509913,
              488.5973867603775
            ],
            [
              -67.17910825722056,
              18.446022578457804,
              488.5973867603775
            ],
            [
              -67.18857396474587,
              18.446113215144806,
              -100.48261323962251
            ]
          ]
        ]
      },
      "bbox": [
        -67.18857396,
        18.44602258,
        -100.4826132,
        -67.17901301,
        18.45514707,
        488.5973868
      ],
      "properties": {
        "datetime": "2019-01-26T12:43:21Z",
        "pc:count": 4937897,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691816.7457,
            "count": 4937897,
            "maximum": 692300.0105,
            "minimum": 691299.9905,
            "name": "X",
            "position": 0,
            "stddev": 275.3099011,
            "variance": 75795.54166
          },
          {
            "average": 2040983.169,
            "count": 4937897,
            "maximum": 2041499.999,
            "minimum": 2040499.979,
            "name": "Y",
            "position": 1,
            "stddev": 291.957058,
            "variance": 85238.92373
          },
          {
            "average": 0.3257141212,
            "count": 4937897,
            "maximum": 488.5973868,
            "minimum": -100.4826132,
            "name": "Z",
            "position": 2,
            "stddev": 16.26585518,
            "variance": 264.5780449
          },
          {
            "average": 475.6878043,
            "count": 4937897,
            "maximum": 4045,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 624.9349306,
            "variance": 390543.6675
          },
          {
            "average": 1.173208352,
            "count": 4937897,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4894586263,
            "variance": 0.2395697469
          },
          {
            "average": 1.346688276,
            "count": 4937897,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7180969679,
            "variance": 0.5156632554
          },
          {
            "average": 0.4860176306,
            "count": 4937897,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4998045057,
            "variance": 0.2498045439
          },
          {
            "average": 0.006579724121,
            "count": 4937897,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08084820762,
            "variance": 0.006536432676
          },
          {
            "average": 24.66061423,
            "count": 4937897,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.62202939,
            "variance": 467.5121549
          },
          {
            "average": 1.690889741,
            "count": 4937897,
            "maximum": 20.61000061,
            "minimum": -21.56999969,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.13497318,
            "variance": 147.2575742
          },
          {
            "average": 1.326140258,
            "count": 4937897,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.117021836,
            "variance": 1.247737782
          },
          {
            "average": 101.3107165,
            "count": 4937897,
            "maximum": 104,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.045935819,
            "variance": 1.093981738
          },
          {
            "average": 232540761.3,
            "count": 4937897,
            "maximum": 232541801.1,
            "minimum": 232540264.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 396.4023448,
            "variance": 157134.819
          },
          {
            "average": 1.326140258,
            "count": 4937897,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.117021836,
            "variance": 1.247737782
          },
          {
            "average": 0,
            "count": 4937897,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4937897,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1934220175,
            "count": 4937897,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3949809771,
            "variance": 0.1560099722
          },
          {
            "average": 0,
            "count": 4937897,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691299.9905,
          2040499.979,
          -100.4826132,
          692300.0105,
          2041499.999,
          488.5973868
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691299.9905008869,
                2040499.979122121,
                -100.48261323962251
              ],
              [
                691299.9905008869,
                2041499.999122121,
                -100.48261323962251
              ],
              [
                692300.010500887,
                2041499.999122121,
                488.5973867603775
              ],
              [
                692300.010500887,
                2040499.979122121,
                488.5973867603775
              ],
              [
                691299.9905008869,
                2040499.979122121,
                -100.48261323962251
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:43:21+00:00",
        "end_time": "2019-01-26T12:17:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2041500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2041500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2041500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2041500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18857396,
            18.44602258,
            -100.4826132,
            -67.17901301,
            18.45514707,
            488.5973868
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18857396474587,
                  18.446113215144806,
                  -100.48261323962251
                ],
                [
                  -67.18847921489092,
                  18.455147069695407,
                  -100.48261323962251
                ],
                [
                  -67.1790130129102,
                  18.455056385509913,
                  488.5973867603775
                ],
                [
                  -67.17910825722056,
                  18.446022578457804,
                  488.5973867603775
                ],
                [
                  -67.18857396474587,
                  18.446113215144806,
                  -100.48261323962251
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2041500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2041500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:43:21Z",
            "pc:count": 4937897,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691816.7457,
                "count": 4937897,
                "maximum": 692300.0105,
                "minimum": 691299.9905,
                "name": "X",
                "position": 0,
                "stddev": 275.3099011,
                "variance": 75795.54166
              },
              {
                "average": 2040983.169,
                "count": 4937897,
                "maximum": 2041499.999,
                "minimum": 2040499.979,
                "name": "Y",
                "position": 1,
                "stddev": 291.957058,
                "variance": 85238.92373
              },
              {
                "average": 0.3257141212,
                "count": 4937897,
                "maximum": 488.5973868,
                "minimum": -100.4826132,
                "name": "Z",
                "position": 2,
                "stddev": 16.26585518,
                "variance": 264.5780449
              },
              {
                "average": 475.6878043,
                "count": 4937897,
                "maximum": 4045,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 624.9349306,
                "variance": 390543.6675
              },
              {
                "average": 1.173208352,
                "count": 4937897,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4894586263,
                "variance": 0.2395697469
              },
              {
                "average": 1.346688276,
                "count": 4937897,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7180969679,
                "variance": 0.5156632554
              },
              {
                "average": 0.4860176306,
                "count": 4937897,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4998045057,
                "variance": 0.2498045439
              },
              {
                "average": 0.006579724121,
                "count": 4937897,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08084820762,
                "variance": 0.006536432676
              },
              {
                "average": 24.66061423,
                "count": 4937897,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.62202939,
                "variance": 467.5121549
              },
              {
                "average": 1.690889741,
                "count": 4937897,
                "maximum": 20.61000061,
                "minimum": -21.56999969,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.13497318,
                "variance": 147.2575742
              },
              {
                "average": 1.326140258,
                "count": 4937897,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.117021836,
                "variance": 1.247737782
              },
              {
                "average": 101.3107165,
                "count": 4937897,
                "maximum": 104,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.045935819,
                "variance": 1.093981738
              },
              {
                "average": 232540761.3,
                "count": 4937897,
                "maximum": 232541801.1,
                "minimum": 232540264.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 396.4023448,
                "variance": 157134.819
              },
              {
                "average": 1.326140258,
                "count": 4937897,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.117021836,
                "variance": 1.247737782
              },
              {
                "average": 0,
                "count": 4937897,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4937897,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1934220175,
                "count": 4937897,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3949809771,
                "variance": 0.1560099722
              },
              {
                "average": 0,
                "count": 4937897,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691299.9905,
              2040499.979,
              -100.4826132,
              692300.0105,
              2041499.999,
              488.5973868
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691299.9905008869,
                    2040499.979122121,
                    -100.48261323962251
                  ],
                  [
                    691299.9905008869,
                    2041499.999122121,
                    -100.48261323962251
                  ],
                  [
                    692300.010500887,
                    2041499.999122121,
                    488.5973867603775
                  ],
                  [
                    692300.010500887,
                    2040499.979122121,
                    488.5973867603775
                  ],
                  [
                    691299.9905008869,
                    2040499.979122121,
                    -100.48261323962251
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:43:21+00:00",
            "end_time": "2019-01-26T12:17:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_695300e_2039500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15090546336161,
              18.42768089708313,
              -128.77755870367224
            ],
            [
              -67.1508088474257,
              18.436714578317954,
              -128.77755870367224
            ],
            [
              -67.14778956933023,
              18.43668513049962,
              575.0424412963278
            ],
            [
              -67.14788634279674,
              18.42765146470195,
              575.0424412963278
            ],
            [
              -67.15090546336161,
              18.42768089708313,
              -128.77755870367224
            ]
          ]
        ]
      },
      "bbox": [
        -67.15090546,
        18.42765146,
        -128.7775587,
        -67.14778957,
        18.43671458,
        575.0424413
      ],
      "properties": {
        "datetime": "2019-01-27T15:00:03Z",
        "pc:count": 4472447,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 695400.3029,
            "count": 4472447,
            "maximum": 695618.995,
            "minimum": 695299.995,
            "name": "X",
            "position": 0,
            "stddev": 69.41828825,
            "variance": 4818.898743
          },
          {
            "average": 2038965.049,
            "count": 4472447,
            "maximum": 2039500.004,
            "minimum": 2038499.984,
            "name": "Y",
            "position": 1,
            "stddev": 262.454858,
            "variance": 68882.5525
          },
          {
            "average": 67.77761978,
            "count": 4472447,
            "maximum": 575.0424413,
            "minimum": -128.7775587,
            "name": "Z",
            "position": 2,
            "stddev": 19.71162509,
            "variance": 388.5481636
          },
          {
            "average": 1253.600351,
            "count": 4472447,
            "maximum": 3448,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 547.3663985,
            "variance": 299609.9742
          },
          {
            "average": 2.337049942,
            "count": 4472447,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.619002284,
            "variance": 2.621168396
          },
          {
            "average": 3.672221046,
            "count": 4472447,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.176651878,
            "variance": 4.737813397
          },
          {
            "average": 0.3184742044,
            "count": 4472447,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4658845716,
            "variance": 0.2170484341
          },
          {
            "average": 0.001060493283,
            "count": 4472447,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0325479473,
            "variance": 0.001059368873
          },
          {
            "average": 1.243935814,
            "count": 4472447,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8999487224,
            "variance": 0.8099077029
          },
          {
            "average": -10.43272598,
            "count": 4472447,
            "maximum": 20.64599991,
            "minimum": -22.49399948,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.570910762,
            "variance": 91.60233281
          },
          {
            "average": 0.942884734,
            "count": 4472447,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.141347652,
            "variance": 1.302674463
          },
          {
            "average": 116.1254405,
            "count": 4472447,
            "maximum": 117,
            "minimum": 115,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3515101299,
            "variance": 0.1235593714
          },
          {
            "average": 232636198,
            "count": 4472447,
            "maximum": 232636403.9,
            "minimum": 232635930.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 82.35598834,
            "variance": 6782.508816
          },
          {
            "average": 0.942884734,
            "count": 4472447,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.141347652,
            "variance": 1.302674463
          },
          {
            "average": 0,
            "count": 4472447,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4472447,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2807809684,
            "count": 4472447,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4493807532,
            "variance": 0.2019430614
          },
          {
            "average": 0,
            "count": 4472447,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          695299.995,
          2038499.984,
          -128.7775587,
          695618.995,
          2039500.004,
          575.0424413
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                695299.9950192382,
                2038499.98405257,
                -128.77755870367224
              ],
              [
                695299.9950192382,
                2039500.00405257,
                -128.77755870367224
              ],
              [
                695618.9950192382,
                2039500.00405257,
                575.0424412963278
              ],
              [
                695618.9950192382,
                2038499.98405257,
                575.0424412963278
              ],
              [
                695299.9950192382,
                2038499.98405257,
                -128.77755870367224
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T15:00:03+00:00",
        "end_time": "2019-01-27T14:52:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_695300e_2039500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_695300e_2039500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_695300e_2039500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2039500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15090546,
            18.42765146,
            -128.7775587,
            -67.14778957,
            18.43671458,
            575.0424413
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15090546336161,
                  18.42768089708313,
                  -128.77755870367224
                ],
                [
                  -67.1508088474257,
                  18.436714578317954,
                  -128.77755870367224
                ],
                [
                  -67.14778956933023,
                  18.43668513049962,
                  575.0424412963278
                ],
                [
                  -67.14788634279674,
                  18.42765146470195,
                  575.0424412963278
                ],
                [
                  -67.15090546336161,
                  18.42768089708313,
                  -128.77755870367224
                ]
              ]
            ]
          },
          "id": "20190127_695300e_2039500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2039500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T15:00:03Z",
            "pc:count": 4472447,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 695400.3029,
                "count": 4472447,
                "maximum": 695618.995,
                "minimum": 695299.995,
                "name": "X",
                "position": 0,
                "stddev": 69.41828825,
                "variance": 4818.898743
              },
              {
                "average": 2038965.049,
                "count": 4472447,
                "maximum": 2039500.004,
                "minimum": 2038499.984,
                "name": "Y",
                "position": 1,
                "stddev": 262.454858,
                "variance": 68882.5525
              },
              {
                "average": 67.77761978,
                "count": 4472447,
                "maximum": 575.0424413,
                "minimum": -128.7775587,
                "name": "Z",
                "position": 2,
                "stddev": 19.71162509,
                "variance": 388.5481636
              },
              {
                "average": 1253.600351,
                "count": 4472447,
                "maximum": 3448,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 547.3663985,
                "variance": 299609.9742
              },
              {
                "average": 2.337049942,
                "count": 4472447,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.619002284,
                "variance": 2.621168396
              },
              {
                "average": 3.672221046,
                "count": 4472447,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.176651878,
                "variance": 4.737813397
              },
              {
                "average": 0.3184742044,
                "count": 4472447,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4658845716,
                "variance": 0.2170484341
              },
              {
                "average": 0.001060493283,
                "count": 4472447,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0325479473,
                "variance": 0.001059368873
              },
              {
                "average": 1.243935814,
                "count": 4472447,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8999487224,
                "variance": 0.8099077029
              },
              {
                "average": -10.43272598,
                "count": 4472447,
                "maximum": 20.64599991,
                "minimum": -22.49399948,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.570910762,
                "variance": 91.60233281
              },
              {
                "average": 0.942884734,
                "count": 4472447,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.141347652,
                "variance": 1.302674463
              },
              {
                "average": 116.1254405,
                "count": 4472447,
                "maximum": 117,
                "minimum": 115,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3515101299,
                "variance": 0.1235593714
              },
              {
                "average": 232636198,
                "count": 4472447,
                "maximum": 232636403.9,
                "minimum": 232635930.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 82.35598834,
                "variance": 6782.508816
              },
              {
                "average": 0.942884734,
                "count": 4472447,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.141347652,
                "variance": 1.302674463
              },
              {
                "average": 0,
                "count": 4472447,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4472447,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2807809684,
                "count": 4472447,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4493807532,
                "variance": 0.2019430614
              },
              {
                "average": 0,
                "count": 4472447,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              695299.995,
              2038499.984,
              -128.7775587,
              695618.995,
              2039500.004,
              575.0424413
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    695299.9950192382,
                    2038499.98405257,
                    -128.77755870367224
                  ],
                  [
                    695299.9950192382,
                    2039500.00405257,
                    -128.77755870367224
                  ],
                  [
                    695618.9950192382,
                    2039500.00405257,
                    575.0424412963278
                  ],
                  [
                    695618.9950192382,
                    2038499.98405257,
                    575.0424412963278
                  ],
                  [
                    695299.9950192382,
                    2038499.98405257,
                    -128.77755870367224
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T15:00:03+00:00",
            "end_time": "2019-01-27T14:52:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_692300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17609659686451,
              18.491166213638056,
              -145.25586229447492
            ],
            [
              -67.17600094478016,
              18.50019996253501,
              -145.25586229447492
            ],
            [
              -67.16906759464987,
              18.50013299256072,
              572.4841377055251
            ],
            [
              -67.16916360983089,
              18.49109927866724,
              572.4841377055251
            ],
            [
              -67.17609659686451,
              18.491166213638056,
              -145.25586229447492
            ]
          ]
        ]
      },
      "bbox": [
        -67.1760966,
        18.49109928,
        -145.2558623,
        -67.16906759,
        18.50019996,
        572.4841377
      ],
      "properties": {
        "datetime": "2019-01-26T12:35:13Z",
        "pc:count": 5168660,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693057.065,
            "count": 5168660,
            "maximum": 693300.0049,
            "minimum": 692567.7449,
            "name": "X",
            "position": 0,
            "stddev": 141.6064713,
            "variance": 20052.39272
          },
          {
            "average": 2045851.897,
            "count": 5168660,
            "maximum": 2046500,
            "minimum": 2045499.98,
            "name": "Y",
            "position": 1,
            "stddev": 245.9502341,
            "variance": 60491.51763
          },
          {
            "average": -0.1507431862,
            "count": 5168660,
            "maximum": 572.4841377,
            "minimum": -145.2558623,
            "name": "Z",
            "position": 2,
            "stddev": 12.12164058,
            "variance": 146.9341705
          },
          {
            "average": 379.6026752,
            "count": 5168660,
            "maximum": 4114,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 520.1764323,
            "variance": 270583.5207
          },
          {
            "average": 1.579891693,
            "count": 5168660,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9838204693,
            "variance": 0.9679027158
          },
          {
            "average": 2.159950548,
            "count": 5168660,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.409715875,
            "variance": 1.987298849
          },
          {
            "average": 0.5278952378,
            "count": 5168660,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4992212975,
            "variance": 0.2492219039
          },
          {
            "average": 0.003690318187,
            "count": 5168660,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06063580172,
            "variance": 0.00367670045
          },
          {
            "average": 26.23264134,
            "count": 5168660,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.67380091,
            "variance": 469.7536459
          },
          {
            "average": -2.67402993,
            "count": 5168660,
            "maximum": 22.72800064,
            "minimum": -22.68600082,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.21890838,
            "variance": 174.7395387
          },
          {
            "average": 0.9657708187,
            "count": 5168660,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9533146815,
            "variance": 0.908808882
          },
          {
            "average": 92.23843762,
            "count": 5168660,
            "maximum": 103,
            "minimum": 72,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 12.89530956,
            "variance": 166.2890088
          },
          {
            "average": 232403556.6,
            "count": 5168660,
            "maximum": 232541313.7,
            "minimum": 232127925.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 194252.821,
            "variance": 37734158460.0
          },
          {
            "average": 0.9657708187,
            "count": 5168660,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9533146815,
            "variance": 0.908808882
          },
          {
            "average": 0,
            "count": 5168660,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5168660,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2199053526,
            "count": 5168660,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4141823532,
            "variance": 0.1715470217
          },
          {
            "average": 0,
            "count": 5168660,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692567.7449,
          2045499.98,
          -145.2558623,
          693300.0049,
          2046500,
          572.4841377
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692567.7449263466,
                2045499.9795615238,
                -145.25586229447492
              ],
              [
                692567.7449263466,
                2046499.9995615238,
                -145.25586229447492
              ],
              [
                693300.0049263466,
                2046499.9995615238,
                572.4841377055251
              ],
              [
                693300.0049263466,
                2045499.9795615238,
                572.4841377055251
              ],
              [
                692567.7449263466,
                2045499.9795615238,
                -145.25586229447492
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:35:13+00:00",
        "end_time": "2019-01-21T17:45:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_692300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_692300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_692300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_692300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.1760966,
            18.49109928,
            -145.2558623,
            -67.16906759,
            18.50019996,
            572.4841377
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17609659686451,
                  18.491166213638056,
                  -145.25586229447492
                ],
                [
                  -67.17600094478016,
                  18.50019996253501,
                  -145.25586229447492
                ],
                [
                  -67.16906759464987,
                  18.50013299256072,
                  572.4841377055251
                ],
                [
                  -67.16916360983089,
                  18.49109927866724,
                  572.4841377055251
                ],
                [
                  -67.17609659686451,
                  18.491166213638056,
                  -145.25586229447492
                ]
              ]
            ]
          },
          "id": "20190121_692300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_692300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:35:13Z",
            "pc:count": 5168660,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693057.065,
                "count": 5168660,
                "maximum": 693300.0049,
                "minimum": 692567.7449,
                "name": "X",
                "position": 0,
                "stddev": 141.6064713,
                "variance": 20052.39272
              },
              {
                "average": 2045851.897,
                "count": 5168660,
                "maximum": 2046500,
                "minimum": 2045499.98,
                "name": "Y",
                "position": 1,
                "stddev": 245.9502341,
                "variance": 60491.51763
              },
              {
                "average": -0.1507431862,
                "count": 5168660,
                "maximum": 572.4841377,
                "minimum": -145.2558623,
                "name": "Z",
                "position": 2,
                "stddev": 12.12164058,
                "variance": 146.9341705
              },
              {
                "average": 379.6026752,
                "count": 5168660,
                "maximum": 4114,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 520.1764323,
                "variance": 270583.5207
              },
              {
                "average": 1.579891693,
                "count": 5168660,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9838204693,
                "variance": 0.9679027158
              },
              {
                "average": 2.159950548,
                "count": 5168660,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.409715875,
                "variance": 1.987298849
              },
              {
                "average": 0.5278952378,
                "count": 5168660,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4992212975,
                "variance": 0.2492219039
              },
              {
                "average": 0.003690318187,
                "count": 5168660,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06063580172,
                "variance": 0.00367670045
              },
              {
                "average": 26.23264134,
                "count": 5168660,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.67380091,
                "variance": 469.7536459
              },
              {
                "average": -2.67402993,
                "count": 5168660,
                "maximum": 22.72800064,
                "minimum": -22.68600082,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.21890838,
                "variance": 174.7395387
              },
              {
                "average": 0.9657708187,
                "count": 5168660,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9533146815,
                "variance": 0.908808882
              },
              {
                "average": 92.23843762,
                "count": 5168660,
                "maximum": 103,
                "minimum": 72,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 12.89530956,
                "variance": 166.2890088
              },
              {
                "average": 232403556.6,
                "count": 5168660,
                "maximum": 232541313.7,
                "minimum": 232127925.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 194252.821,
                "variance": 37734158460.0
              },
              {
                "average": 0.9657708187,
                "count": 5168660,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9533146815,
                "variance": 0.908808882
              },
              {
                "average": 0,
                "count": 5168660,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5168660,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2199053526,
                "count": 5168660,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4141823532,
                "variance": 0.1715470217
              },
              {
                "average": 0,
                "count": 5168660,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692567.7449,
              2045499.98,
              -145.2558623,
              693300.0049,
              2046500,
              572.4841377
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692567.7449263466,
                    2045499.9795615238,
                    -145.25586229447492
                  ],
                  [
                    692567.7449263466,
                    2046499.9995615238,
                    -145.25586229447492
                  ],
                  [
                    693300.0049263466,
                    2046499.9995615238,
                    572.4841377055251
                  ],
                  [
                    693300.0049263466,
                    2045499.9795615238,
                    572.4841377055251
                  ],
                  [
                    692567.7449263466,
                    2045499.9795615238,
                    -145.25586229447492
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:35:13+00:00",
            "end_time": "2019-01-21T17:45:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_716300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.9514170151169,
              18.488867809511177,
              -141.57169525352836
            ],
            [
              -66.95130959901141,
              18.497900356479175,
              -141.57169525352836
            ],
            [
              -66.94184238225715,
              18.497797606560525,
              553.5483047464717
            ],
            [
              -66.94195029389167,
              18.48876511329584,
              553.5483047464717
            ],
            [
              -66.9514170151169,
              18.488867809511177,
              -141.57169525352836
            ]
          ]
        ]
      },
      "bbox": [
        -66.95141702,
        18.48876511,
        -141.5716953,
        -66.94184238,
        18.49790036,
        553.5483047
      ],
      "properties": {
        "datetime": "2019-01-21T20:04:39Z",
        "pc:count": 18545412,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 716797.4321,
            "count": 18545412,
            "maximum": 717300.0102,
            "minimum": 716299.9902,
            "name": "X",
            "position": 0,
            "stddev": 282.2096871,
            "variance": 79642.30748
          },
          {
            "average": 2045840.837,
            "count": 18545412,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 246.9120571,
            "variance": 60965.56393
          },
          {
            "average": 19.5418481,
            "count": 18545412,
            "maximum": 553.5483047,
            "minimum": -141.5716953,
            "name": "Z",
            "position": 2,
            "stddev": 28.98539318,
            "variance": 840.1530176
          },
          {
            "average": 1048.913417,
            "count": 18545412,
            "maximum": 4682,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 646.5917518,
            "variance": 418080.8935
          },
          {
            "average": 1.646474988,
            "count": 18545412,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.066626126,
            "variance": 1.137691294
          },
          {
            "average": 2.293280139,
            "count": 18545412,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.532919021,
            "variance": 2.349840725
          },
          {
            "average": 0.4126044221,
            "count": 18545412,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4923027788,
            "variance": 0.242362026
          },
          {
            "average": 0.002007666371,
            "count": 18545412,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04476199006,
            "variance": 0.002003635754
          },
          {
            "average": 14.83407379,
            "count": 18545412,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.93982068,
            "variance": 397.5964487
          },
          {
            "average": 2.685367461,
            "count": 18545412,
            "maximum": 23.82600021,
            "minimum": -22.84199905,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.70019921,
            "variance": 187.6954584
          },
          {
            "average": 0.9009314541,
            "count": 18545412,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.032425586,
            "variance": 1.065902591
          },
          {
            "average": 89.38768052,
            "count": 18545412,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.065956579,
            "variance": 1.136263429
          },
          {
            "average": 232135321.5,
            "count": 18545412,
            "maximum": 232136279.3,
            "minimum": 232133359.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 575.3648985,
            "variance": 331044.7664
          },
          {
            "average": 0.9009287041,
            "count": 18545412,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.032426654,
            "variance": 1.065904796
          },
          {
            "average": 0,
            "count": 18545412,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 18545412,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2349713773,
            "count": 18545412,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4239809416,
            "variance": 0.1797598388
          },
          {
            "average": 0,
            "count": 18545412,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          716299.9902,
          2045499.979,
          -141.5716953,
          717300.0102,
          2046499.999,
          553.5483047
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                716299.9901555082,
                2045499.979477178,
                -141.57169525352836
              ],
              [
                716299.9901555082,
                2046499.999477178,
                -141.57169525352836
              ],
              [
                717300.0101555082,
                2046499.999477178,
                553.5483047464717
              ],
              [
                717300.0101555082,
                2045499.979477178,
                553.5483047464717
              ],
              [
                716299.9901555082,
                2045499.979477178,
                -141.57169525352836
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:04:39+00:00",
        "end_time": "2019-01-21T19:15:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_716300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_716300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_716300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_716300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.95141702,
            18.48876511,
            -141.5716953,
            -66.94184238,
            18.49790036,
            553.5483047
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.9514170151169,
                  18.488867809511177,
                  -141.57169525352836
                ],
                [
                  -66.95130959901141,
                  18.497900356479175,
                  -141.57169525352836
                ],
                [
                  -66.94184238225715,
                  18.497797606560525,
                  553.5483047464717
                ],
                [
                  -66.94195029389167,
                  18.48876511329584,
                  553.5483047464717
                ],
                [
                  -66.9514170151169,
                  18.488867809511177,
                  -141.57169525352836
                ]
              ]
            ]
          },
          "id": "20190121_716300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_716300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:04:39Z",
            "pc:count": 18545412,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 716797.4321,
                "count": 18545412,
                "maximum": 717300.0102,
                "minimum": 716299.9902,
                "name": "X",
                "position": 0,
                "stddev": 282.2096871,
                "variance": 79642.30748
              },
              {
                "average": 2045840.837,
                "count": 18545412,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 246.9120571,
                "variance": 60965.56393
              },
              {
                "average": 19.5418481,
                "count": 18545412,
                "maximum": 553.5483047,
                "minimum": -141.5716953,
                "name": "Z",
                "position": 2,
                "stddev": 28.98539318,
                "variance": 840.1530176
              },
              {
                "average": 1048.913417,
                "count": 18545412,
                "maximum": 4682,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 646.5917518,
                "variance": 418080.8935
              },
              {
                "average": 1.646474988,
                "count": 18545412,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.066626126,
                "variance": 1.137691294
              },
              {
                "average": 2.293280139,
                "count": 18545412,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.532919021,
                "variance": 2.349840725
              },
              {
                "average": 0.4126044221,
                "count": 18545412,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4923027788,
                "variance": 0.242362026
              },
              {
                "average": 0.002007666371,
                "count": 18545412,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04476199006,
                "variance": 0.002003635754
              },
              {
                "average": 14.83407379,
                "count": 18545412,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.93982068,
                "variance": 397.5964487
              },
              {
                "average": 2.685367461,
                "count": 18545412,
                "maximum": 23.82600021,
                "minimum": -22.84199905,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.70019921,
                "variance": 187.6954584
              },
              {
                "average": 0.9009314541,
                "count": 18545412,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.032425586,
                "variance": 1.065902591
              },
              {
                "average": 89.38768052,
                "count": 18545412,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.065956579,
                "variance": 1.136263429
              },
              {
                "average": 232135321.5,
                "count": 18545412,
                "maximum": 232136279.3,
                "minimum": 232133359.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 575.3648985,
                "variance": 331044.7664
              },
              {
                "average": 0.9009287041,
                "count": 18545412,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.032426654,
                "variance": 1.065904796
              },
              {
                "average": 0,
                "count": 18545412,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 18545412,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2349713773,
                "count": 18545412,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4239809416,
                "variance": 0.1797598388
              },
              {
                "average": 0,
                "count": 18545412,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              716299.9902,
              2045499.979,
              -141.5716953,
              717300.0102,
              2046499.999,
              553.5483047
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    716299.9901555082,
                    2045499.979477178,
                    -141.57169525352836
                  ],
                  [
                    716299.9901555082,
                    2046499.999477178,
                    -141.57169525352836
                  ],
                  [
                    717300.0101555082,
                    2046499.999477178,
                    553.5483047464717
                  ],
                  [
                    717300.0101555082,
                    2045499.979477178,
                    553.5483047464717
                  ],
                  [
                    716299.9901555082,
                    2045499.979477178,
                    -141.57169525352836
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:04:39+00:00",
            "end_time": "2019-01-21T19:15:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_693300e_2039500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1698342947562,
              18.427864293084912,
              -125.86111368651461
            ],
            [
              -67.16973866650667,
              18.436898070531626,
              -125.86111368651461
            ],
            [
              -67.16027356331607,
              18.43680653825722,
              579.3988863134854
            ],
            [
              -67.16036968542404,
              18.42777280879371,
              579.3988863134854
            ],
            [
              -67.1698342947562,
              18.427864293084912,
              -125.86111368651461
            ]
          ]
        ]
      },
      "bbox": [
        -67.16983429,
        18.42777281,
        -125.8611137,
        -67.16027356,
        18.43689807,
        579.3988863
      ],
      "properties": {
        "datetime": "2019-01-27T14:44:19Z",
        "pc:count": 8122696,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693763.1456,
            "count": 8122696,
            "maximum": 694300.0101,
            "minimum": 693299.9901,
            "name": "X",
            "position": 0,
            "stddev": 307.7570123,
            "variance": 94714.37864
          },
          {
            "average": 2039053.946,
            "count": 8122696,
            "maximum": 2039500,
            "minimum": 2038499.98,
            "name": "Y",
            "position": 1,
            "stddev": 288.1071401,
            "variance": 83005.72416
          },
          {
            "average": -0.113396612,
            "count": 8122696,
            "maximum": 579.3988863,
            "minimum": -125.8611137,
            "name": "Z",
            "position": 2,
            "stddev": 11.562652,
            "variance": 133.6949212
          },
          {
            "average": 320.9503127,
            "count": 8122696,
            "maximum": 3642,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 510.5561565,
            "variance": 260667.589
          },
          {
            "average": 1.39379179,
            "count": 8122696,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7343130658,
            "variance": 0.5392156786
          },
          {
            "average": 1.787808875,
            "count": 8122696,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.033709618,
            "variance": 1.068555574
          },
          {
            "average": 0.5855371172,
            "count": 8122696,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4926291013,
            "variance": 0.2426834315
          },
          {
            "average": 0.004414544137,
            "count": 8122696,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06629522213,
            "variance": 0.004395056478
          },
          {
            "average": 29.5134347,
            "count": 8122696,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.65761457,
            "variance": 426.7370396
          },
          {
            "average": 2.620597721,
            "count": 8122696,
            "maximum": 20.65800095,
            "minimum": -22.26600075,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.03126014,
            "variance": 169.813741
          },
          {
            "average": 1.110079584,
            "count": 8122696,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9627502008,
            "variance": 0.9268879492
          },
          {
            "average": 110.3031544,
            "count": 8122696,
            "maximum": 113,
            "minimum": 108,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.334475086,
            "variance": 1.780823756
          },
          {
            "average": 232624577.8,
            "count": 8122696,
            "maximum": 232635459.4,
            "minimum": 232543511.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 28708.90752,
            "variance": 824201370.9
          },
          {
            "average": 1.110079584,
            "count": 8122696,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9627502008,
            "variance": 0.9268879492
          },
          {
            "average": 0,
            "count": 8122696,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8122696,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2370973874,
            "count": 8122696,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4253025259,
            "variance": 0.1808822385
          },
          {
            "average": 0,
            "count": 8122696,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693299.9901,
          2038499.98,
          -125.8611137,
          694300.0101,
          2039500,
          579.3988863
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693299.9901190503,
                2038499.9795550008,
                -125.86111368651461
              ],
              [
                693299.9901190503,
                2039499.9995550008,
                -125.86111368651461
              ],
              [
                694300.0101190503,
                2039499.9995550008,
                579.3988863134854
              ],
              [
                694300.0101190503,
                2038499.9795550008,
                579.3988863134854
              ],
              [
                693299.9901190503,
                2038499.9795550008,
                -125.86111368651461
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:44:19+00:00",
        "end_time": "2019-01-26T13:11:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_693300e_2039500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_693300e_2039500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_693300e_2039500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2039500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16983429,
            18.42777281,
            -125.8611137,
            -67.16027356,
            18.43689807,
            579.3988863
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1698342947562,
                  18.427864293084912,
                  -125.86111368651461
                ],
                [
                  -67.16973866650667,
                  18.436898070531626,
                  -125.86111368651461
                ],
                [
                  -67.16027356331607,
                  18.43680653825722,
                  579.3988863134854
                ],
                [
                  -67.16036968542404,
                  18.42777280879371,
                  579.3988863134854
                ],
                [
                  -67.1698342947562,
                  18.427864293084912,
                  -125.86111368651461
                ]
              ]
            ]
          },
          "id": "20190126_693300e_2039500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2039500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:44:19Z",
            "pc:count": 8122696,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693763.1456,
                "count": 8122696,
                "maximum": 694300.0101,
                "minimum": 693299.9901,
                "name": "X",
                "position": 0,
                "stddev": 307.7570123,
                "variance": 94714.37864
              },
              {
                "average": 2039053.946,
                "count": 8122696,
                "maximum": 2039500,
                "minimum": 2038499.98,
                "name": "Y",
                "position": 1,
                "stddev": 288.1071401,
                "variance": 83005.72416
              },
              {
                "average": -0.113396612,
                "count": 8122696,
                "maximum": 579.3988863,
                "minimum": -125.8611137,
                "name": "Z",
                "position": 2,
                "stddev": 11.562652,
                "variance": 133.6949212
              },
              {
                "average": 320.9503127,
                "count": 8122696,
                "maximum": 3642,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 510.5561565,
                "variance": 260667.589
              },
              {
                "average": 1.39379179,
                "count": 8122696,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7343130658,
                "variance": 0.5392156786
              },
              {
                "average": 1.787808875,
                "count": 8122696,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.033709618,
                "variance": 1.068555574
              },
              {
                "average": 0.5855371172,
                "count": 8122696,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4926291013,
                "variance": 0.2426834315
              },
              {
                "average": 0.004414544137,
                "count": 8122696,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06629522213,
                "variance": 0.004395056478
              },
              {
                "average": 29.5134347,
                "count": 8122696,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.65761457,
                "variance": 426.7370396
              },
              {
                "average": 2.620597721,
                "count": 8122696,
                "maximum": 20.65800095,
                "minimum": -22.26600075,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.03126014,
                "variance": 169.813741
              },
              {
                "average": 1.110079584,
                "count": 8122696,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9627502008,
                "variance": 0.9268879492
              },
              {
                "average": 110.3031544,
                "count": 8122696,
                "maximum": 113,
                "minimum": 108,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.334475086,
                "variance": 1.780823756
              },
              {
                "average": 232624577.8,
                "count": 8122696,
                "maximum": 232635459.4,
                "minimum": 232543511.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 28708.90752,
                "variance": 824201370.9
              },
              {
                "average": 1.110079584,
                "count": 8122696,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9627502008,
                "variance": 0.9268879492
              },
              {
                "average": 0,
                "count": 8122696,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8122696,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2370973874,
                "count": 8122696,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4253025259,
                "variance": 0.1808822385
              },
              {
                "average": 0,
                "count": 8122696,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693299.9901,
              2038499.98,
              -125.8611137,
              694300.0101,
              2039500,
              579.3988863
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693299.9901190503,
                    2038499.9795550008,
                    -125.86111368651461
                  ],
                  [
                    693299.9901190503,
                    2039499.9995550008,
                    -125.86111368651461
                  ],
                  [
                    694300.0101190503,
                    2039499.9995550008,
                    579.3988863134854
                  ],
                  [
                    694300.0101190503,
                    2038499.9795550008,
                    579.3988863134854
                  ],
                  [
                    693299.9901190503,
                    2038499.9795550008,
                    -125.86111368651461
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:44:19+00:00",
            "end_time": "2019-01-26T13:11:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_687300e_2035500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.22699207902878,
              18.392267710994787,
              -156.6473732572331
            ],
            [
              -67.22692030436602,
              18.399281824518585,
              -156.6473732572331
            ],
            [
              -67.21745695825349,
              18.39919331798658,
              447.4726267427669
            ],
            [
              -67.21752911550146,
              18.39217924055085,
              447.4726267427669
            ],
            [
              -67.22699207902878,
              18.392267710994787,
              -156.6473732572331
            ]
          ]
        ]
      },
      "bbox": [
        -67.22699208,
        18.39217924,
        -156.6473733,
        -67.21745696,
        18.39928182,
        447.4726267
      ],
      "properties": {
        "datetime": "2019-02-01T16:39:20Z",
        "pc:count": 5132690,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 687880.0893,
            "count": 5132690,
            "maximum": 688300.0104,
            "minimum": 687299.9904,
            "name": "X",
            "position": 0,
            "stddev": 281.6643611,
            "variance": 79334.81231
          },
          {
            "average": 2034770.496,
            "count": 5132690,
            "maximum": 2035276.403,
            "minimum": 2034499.983,
            "name": "Y",
            "position": 1,
            "stddev": 180.3012582,
            "variance": 32508.54371
          },
          {
            "average": 0.4506890921,
            "count": 5132690,
            "maximum": 447.4726267,
            "minimum": -156.6473733,
            "name": "Z",
            "position": 2,
            "stddev": 14.6610736,
            "variance": 214.9470791
          },
          {
            "average": 839.7054661,
            "count": 5132690,
            "maximum": 3001,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 511.5802143,
            "variance": 261714.3157
          },
          {
            "average": 1.018790342,
            "count": 5132690,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1398914525,
            "variance": 0.01956961847
          },
          {
            "average": 1.037700309,
            "count": 5132690,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.199194354,
            "variance": 0.03967839068
          },
          {
            "average": 0.3655699058,
            "count": 5132690,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4815896541,
            "variance": 0.231928595
          },
          {
            "average": 0.00374852173,
            "count": 5132690,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06111031863,
            "variance": 0.003734471043
          },
          {
            "average": 26.62717873,
            "count": 5132690,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.54561987,
            "variance": 422.1224957
          },
          {
            "average": -0.6361798226,
            "count": 5132690,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.23956171,
            "variance": 149.8068709
          },
          {
            "average": 1.302440046,
            "count": 5132690,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.216482857,
            "variance": 1.479830541
          },
          {
            "average": 122.5795495,
            "count": 5132690,
            "maximum": 124,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6490501997,
            "variance": 0.4212661617
          },
          {
            "average": 233073908.2,
            "count": 5132690,
            "maximum": 233074360.5,
            "minimum": 233073663.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 248.2272199,
            "variance": 61616.75269
          },
          {
            "average": 1.302440046,
            "count": 5132690,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.216482857,
            "variance": 1.479830541
          },
          {
            "average": 0,
            "count": 5132690,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5132690,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1901936412,
            "count": 5132690,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3924538827,
            "variance": 0.15402005
          },
          {
            "average": 0,
            "count": 5132690,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          687299.9904,
          2034499.983,
          -156.6473733,
          688300.0104,
          2035276.403,
          447.4726267
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                687299.9903822269,
                2034499.9827236705,
                -156.6473732572331
              ],
              [
                687299.9903822269,
                2035276.4027236705,
                -156.6473732572331
              ],
              [
                688300.0103822269,
                2035276.4027236705,
                447.4726267427669
              ],
              [
                688300.0103822269,
                2034499.9827236705,
                447.4726267427669
              ],
              [
                687299.9903822269,
                2034499.9827236705,
                -156.6473732572331
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:39:20+00:00",
        "end_time": "2019-02-01T16:27:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_687300e_2035500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_687300e_2035500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_687300e_2035500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_687300e_2035500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.22699208,
            18.39217924,
            -156.6473733,
            -67.21745696,
            18.39928182,
            447.4726267
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.22699207902878,
                  18.392267710994787,
                  -156.6473732572331
                ],
                [
                  -67.22692030436602,
                  18.399281824518585,
                  -156.6473732572331
                ],
                [
                  -67.21745695825349,
                  18.39919331798658,
                  447.4726267427669
                ],
                [
                  -67.21752911550146,
                  18.39217924055085,
                  447.4726267427669
                ],
                [
                  -67.22699207902878,
                  18.392267710994787,
                  -156.6473732572331
                ]
              ]
            ]
          },
          "id": "20190201_687300e_2035500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_687300e_2035500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:39:20Z",
            "pc:count": 5132690,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 687880.0893,
                "count": 5132690,
                "maximum": 688300.0104,
                "minimum": 687299.9904,
                "name": "X",
                "position": 0,
                "stddev": 281.6643611,
                "variance": 79334.81231
              },
              {
                "average": 2034770.496,
                "count": 5132690,
                "maximum": 2035276.403,
                "minimum": 2034499.983,
                "name": "Y",
                "position": 1,
                "stddev": 180.3012582,
                "variance": 32508.54371
              },
              {
                "average": 0.4506890921,
                "count": 5132690,
                "maximum": 447.4726267,
                "minimum": -156.6473733,
                "name": "Z",
                "position": 2,
                "stddev": 14.6610736,
                "variance": 214.9470791
              },
              {
                "average": 839.7054661,
                "count": 5132690,
                "maximum": 3001,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 511.5802143,
                "variance": 261714.3157
              },
              {
                "average": 1.018790342,
                "count": 5132690,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1398914525,
                "variance": 0.01956961847
              },
              {
                "average": 1.037700309,
                "count": 5132690,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.199194354,
                "variance": 0.03967839068
              },
              {
                "average": 0.3655699058,
                "count": 5132690,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4815896541,
                "variance": 0.231928595
              },
              {
                "average": 0.00374852173,
                "count": 5132690,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06111031863,
                "variance": 0.003734471043
              },
              {
                "average": 26.62717873,
                "count": 5132690,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.54561987,
                "variance": 422.1224957
              },
              {
                "average": -0.6361798226,
                "count": 5132690,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.23956171,
                "variance": 149.8068709
              },
              {
                "average": 1.302440046,
                "count": 5132690,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.216482857,
                "variance": 1.479830541
              },
              {
                "average": 122.5795495,
                "count": 5132690,
                "maximum": 124,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6490501997,
                "variance": 0.4212661617
              },
              {
                "average": 233073908.2,
                "count": 5132690,
                "maximum": 233074360.5,
                "minimum": 233073663.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 248.2272199,
                "variance": 61616.75269
              },
              {
                "average": 1.302440046,
                "count": 5132690,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.216482857,
                "variance": 1.479830541
              },
              {
                "average": 0,
                "count": 5132690,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5132690,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1901936412,
                "count": 5132690,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3924538827,
                "variance": 0.15402005
              },
              {
                "average": 0,
                "count": 5132690,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              687299.9904,
              2034499.983,
              -156.6473733,
              688300.0104,
              2035276.403,
              447.4726267
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    687299.9903822269,
                    2034499.9827236705,
                    -156.6473732572331
                  ],
                  [
                    687299.9903822269,
                    2035276.4027236705,
                    -156.6473732572331
                  ],
                  [
                    688300.0103822269,
                    2035276.4027236705,
                    447.4726267427669
                  ],
                  [
                    688300.0103822269,
                    2034499.9827236705,
                    447.4726267427669
                  ],
                  [
                    687299.9903822269,
                    2034499.9827236705,
                    -156.6473732572331
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:39:20+00:00",
            "end_time": "2019-02-01T16:27:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_717300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.94204068601636,
              18.48121080547337,
              -114.68600441106423
            ],
            [
              -66.94195048043655,
              18.48876525817803,
              -114.68600441106423
            ],
            [
              -66.93248382136903,
              18.48866208925051,
              583.3739955889358
            ],
            [
              -66.93257444115943,
              18.481107681663836,
              583.3739955889358
            ],
            [
              -66.94204068601636,
              18.48121080547337,
              -114.68600441106423
            ]
          ]
        ]
      },
      "bbox": [
        -66.94204069,
        18.48110768,
        -114.6860044,
        -66.93248382,
        18.48876526,
        583.3739956
      ],
      "properties": {
        "datetime": "2019-01-21T20:21:46Z",
        "pc:count": 16074120,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 717860.104,
            "count": 16074120,
            "maximum": 718300.0103,
            "minimum": 717299.9903,
            "name": "X",
            "position": 0,
            "stddev": 285.4557622,
            "variance": 81484.99218
          },
          {
            "average": 2045150.059,
            "count": 16074120,
            "maximum": 2045499.995,
            "minimum": 2044663.615,
            "name": "Y",
            "position": 1,
            "stddev": 206.9950068,
            "variance": 42846.93282
          },
          {
            "average": 83.33940131,
            "count": 16074120,
            "maximum": 583.3739956,
            "minimum": -114.6860044,
            "name": "Z",
            "position": 2,
            "stddev": 22.95083592,
            "variance": 526.7408695
          },
          {
            "average": 1550.578292,
            "count": 16074120,
            "maximum": 4506,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 513.4785267,
            "variance": 263660.1974
          },
          {
            "average": 1.74270691,
            "count": 16074120,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.216431646,
            "variance": 1.47970595
          },
          {
            "average": 2.484812792,
            "count": 16074120,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.772936546,
            "variance": 3.143303996
          },
          {
            "average": 0.3127101204,
            "count": 16074120,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4635973623,
            "variance": 0.2149225144
          },
          {
            "average": 0.001532027881,
            "count": 16074120,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03911113482,
            "variance": 0.001529680867
          },
          {
            "average": 1.19108959,
            "count": 16074120,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.493300761,
            "variance": 0.2433456408
          },
          {
            "average": -0.6151707779,
            "count": 16074120,
            "maximum": 23.59199905,
            "minimum": -22.96800041,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.66597134,
            "variance": 186.7587727
          },
          {
            "average": 1.101355222,
            "count": 16074120,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.210645362,
            "variance": 1.465662191
          },
          {
            "average": 92.15439209,
            "count": 16074120,
            "maximum": 94,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.208326834,
            "variance": 1.460053737
          },
          {
            "average": 232136637.4,
            "count": 16074120,
            "maximum": 232137306,
            "minimum": 232135565.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 453.077074,
            "variance": 205278.835
          },
          {
            "average": 1.101355222,
            "count": 16074120,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.210645362,
            "variance": 1.465662191
          },
          {
            "average": 0,
            "count": 16074120,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16074120,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.238587058,
            "count": 16074120,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4262197614,
            "variance": 0.181663285
          },
          {
            "average": 0,
            "count": 16074120,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          717299.9903,
          2044663.615,
          -114.6860044,
          718300.0103,
          2045499.995,
          583.3739956
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                717299.9902695067,
                2044663.6152909843,
                -114.68600441106423
              ],
              [
                717299.9902695067,
                2045499.9952909842,
                -114.68600441106423
              ],
              [
                718300.0102695067,
                2045499.9952909842,
                583.3739955889358
              ],
              [
                718300.0102695067,
                2044663.6152909843,
                583.3739955889358
              ],
              [
                717299.9902695067,
                2044663.6152909843,
                -114.68600441106423
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:21:46+00:00",
        "end_time": "2019-01-21T19:52:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_717300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_717300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_717300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_717300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.94204069,
            18.48110768,
            -114.6860044,
            -66.93248382,
            18.48876526,
            583.3739956
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.94204068601636,
                  18.48121080547337,
                  -114.68600441106423
                ],
                [
                  -66.94195048043655,
                  18.48876525817803,
                  -114.68600441106423
                ],
                [
                  -66.93248382136903,
                  18.48866208925051,
                  583.3739955889358
                ],
                [
                  -66.93257444115943,
                  18.481107681663836,
                  583.3739955889358
                ],
                [
                  -66.94204068601636,
                  18.48121080547337,
                  -114.68600441106423
                ]
              ]
            ]
          },
          "id": "20190121_717300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_717300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:21:46Z",
            "pc:count": 16074120,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 717860.104,
                "count": 16074120,
                "maximum": 718300.0103,
                "minimum": 717299.9903,
                "name": "X",
                "position": 0,
                "stddev": 285.4557622,
                "variance": 81484.99218
              },
              {
                "average": 2045150.059,
                "count": 16074120,
                "maximum": 2045499.995,
                "minimum": 2044663.615,
                "name": "Y",
                "position": 1,
                "stddev": 206.9950068,
                "variance": 42846.93282
              },
              {
                "average": 83.33940131,
                "count": 16074120,
                "maximum": 583.3739956,
                "minimum": -114.6860044,
                "name": "Z",
                "position": 2,
                "stddev": 22.95083592,
                "variance": 526.7408695
              },
              {
                "average": 1550.578292,
                "count": 16074120,
                "maximum": 4506,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 513.4785267,
                "variance": 263660.1974
              },
              {
                "average": 1.74270691,
                "count": 16074120,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.216431646,
                "variance": 1.47970595
              },
              {
                "average": 2.484812792,
                "count": 16074120,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.772936546,
                "variance": 3.143303996
              },
              {
                "average": 0.3127101204,
                "count": 16074120,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4635973623,
                "variance": 0.2149225144
              },
              {
                "average": 0.001532027881,
                "count": 16074120,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03911113482,
                "variance": 0.001529680867
              },
              {
                "average": 1.19108959,
                "count": 16074120,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.493300761,
                "variance": 0.2433456408
              },
              {
                "average": -0.6151707779,
                "count": 16074120,
                "maximum": 23.59199905,
                "minimum": -22.96800041,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.66597134,
                "variance": 186.7587727
              },
              {
                "average": 1.101355222,
                "count": 16074120,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.210645362,
                "variance": 1.465662191
              },
              {
                "average": 92.15439209,
                "count": 16074120,
                "maximum": 94,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.208326834,
                "variance": 1.460053737
              },
              {
                "average": 232136637.4,
                "count": 16074120,
                "maximum": 232137306,
                "minimum": 232135565.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 453.077074,
                "variance": 205278.835
              },
              {
                "average": 1.101355222,
                "count": 16074120,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.210645362,
                "variance": 1.465662191
              },
              {
                "average": 0,
                "count": 16074120,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16074120,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.238587058,
                "count": 16074120,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4262197614,
                "variance": 0.181663285
              },
              {
                "average": 0,
                "count": 16074120,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              717299.9903,
              2044663.615,
              -114.6860044,
              718300.0103,
              2045499.995,
              583.3739956
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    717299.9902695067,
                    2044663.6152909843,
                    -114.68600441106423
                  ],
                  [
                    717299.9902695067,
                    2045499.9952909842,
                    -114.68600441106423
                  ],
                  [
                    718300.0102695067,
                    2045499.9952909842,
                    583.3739955889358
                  ],
                  [
                    718300.0102695067,
                    2044663.6152909843,
                    583.3739955889358
                  ],
                  [
                    717299.9902695067,
                    2044663.6152909843,
                    -114.68600441106423
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:21:46+00:00",
            "end_time": "2019-01-21T19:52:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_724300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.8755751388164,
              18.497064965747594,
              -106.72324988213859
            ],
            [
              -66.87552396826207,
              18.50121278608411,
              -106.72324988213859
            ],
            [
              -66.86605702934997,
              18.501106227309275,
              542.9767501178615
            ],
            [
              -66.86610842750596,
              18.496958432544687,
              542.9767501178615
            ],
            [
              -66.8755751388164,
              18.497064965747594,
              -106.72324988213859
            ]
          ]
        ]
      },
      "bbox": [
        -66.87557514,
        18.49695843,
        -106.7232499,
        -66.86605703,
        18.50121279,
        542.9767501
      ],
      "properties": {
        "datetime": "2019-01-21T19:26:59Z",
        "pc:count": 2301445,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 724795.8815,
            "count": 2301445,
            "maximum": 725300.0101,
            "minimum": 724299.9901,
            "name": "X",
            "position": 0,
            "stddev": 286.4306937,
            "variance": 82042.54228
          },
          {
            "average": 2046671.033,
            "count": 2301445,
            "maximum": 2046959.221,
            "minimum": 2046499.981,
            "name": "Y",
            "position": 1,
            "stddev": 117.1045997,
            "variance": 13713.48727
          },
          {
            "average": 0.2089904538,
            "count": 2301445,
            "maximum": 542.9767501,
            "minimum": -106.7232499,
            "name": "Z",
            "position": 2,
            "stddev": 12.01466551,
            "variance": 144.3521874
          },
          {
            "average": 756.4738466,
            "count": 2301445,
            "maximum": 2941,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 497.1394693,
            "variance": 247147.652
          },
          {
            "average": 1.017899189,
            "count": 2301445,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1352039752,
            "variance": 0.01828011492
          },
          {
            "average": 1.035818801,
            "count": 2301445,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1913946307,
            "variance": 0.03663190465
          },
          {
            "average": 0.3923070071,
            "count": 2301445,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4882646033,
            "variance": 0.2384023229
          },
          {
            "average": 0.005124171988,
            "count": 2301445,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.07139969933,
            "variance": 0.005097917064
          },
          {
            "average": 18.98795887,
            "count": 2301445,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.51658268,
            "variance": 462.9633301
          },
          {
            "average": 2.161308834,
            "count": 2301445,
            "maximum": 23.83799934,
            "minimum": -25.30200005,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.68541659,
            "variance": 160.9197941
          },
          {
            "average": 1.014912805,
            "count": 2301445,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.109088334,
            "variance": 1.230076933
          },
          {
            "average": 86.22465842,
            "count": 2301445,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4173572698,
            "variance": 0.1741870906
          },
          {
            "average": 232133605.2,
            "count": 2301445,
            "maximum": 232134019.1,
            "minimum": 232133477.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 217.5551314,
            "variance": 47330.23521
          },
          {
            "average": 1.014912805,
            "count": 2301445,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.109088334,
            "variance": 1.230076933
          },
          {
            "average": 0,
            "count": 2301445,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2301445,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1574341338,
            "count": 2301445,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3642096717,
            "variance": 0.1326486849
          },
          {
            "average": 0,
            "count": 2301445,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          724299.9901,
          2046499.981,
          -106.7232499,
          725300.0101,
          2046959.221,
          542.9767501
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                724299.9901481296,
                2046499.9810922374,
                -106.72324988213859
              ],
              [
                724299.9901481296,
                2046959.2210922376,
                -106.72324988213859
              ],
              [
                725300.0101481297,
                2046959.2210922376,
                542.9767501178615
              ],
              [
                725300.0101481297,
                2046499.9810922374,
                542.9767501178615
              ],
              [
                724299.9901481296,
                2046499.9810922374,
                -106.72324988213859
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:26:59+00:00",
        "end_time": "2019-01-21T19:17:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_724300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_724300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_724300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_724300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.87557514,
            18.49695843,
            -106.7232499,
            -66.86605703,
            18.50121279,
            542.9767501
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.8755751388164,
                  18.497064965747594,
                  -106.72324988213859
                ],
                [
                  -66.87552396826207,
                  18.50121278608411,
                  -106.72324988213859
                ],
                [
                  -66.86605702934997,
                  18.501106227309275,
                  542.9767501178615
                ],
                [
                  -66.86610842750596,
                  18.496958432544687,
                  542.9767501178615
                ],
                [
                  -66.8755751388164,
                  18.497064965747594,
                  -106.72324988213859
                ]
              ]
            ]
          },
          "id": "20190121_724300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_724300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:26:59Z",
            "pc:count": 2301445,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 724795.8815,
                "count": 2301445,
                "maximum": 725300.0101,
                "minimum": 724299.9901,
                "name": "X",
                "position": 0,
                "stddev": 286.4306937,
                "variance": 82042.54228
              },
              {
                "average": 2046671.033,
                "count": 2301445,
                "maximum": 2046959.221,
                "minimum": 2046499.981,
                "name": "Y",
                "position": 1,
                "stddev": 117.1045997,
                "variance": 13713.48727
              },
              {
                "average": 0.2089904538,
                "count": 2301445,
                "maximum": 542.9767501,
                "minimum": -106.7232499,
                "name": "Z",
                "position": 2,
                "stddev": 12.01466551,
                "variance": 144.3521874
              },
              {
                "average": 756.4738466,
                "count": 2301445,
                "maximum": 2941,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 497.1394693,
                "variance": 247147.652
              },
              {
                "average": 1.017899189,
                "count": 2301445,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1352039752,
                "variance": 0.01828011492
              },
              {
                "average": 1.035818801,
                "count": 2301445,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1913946307,
                "variance": 0.03663190465
              },
              {
                "average": 0.3923070071,
                "count": 2301445,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4882646033,
                "variance": 0.2384023229
              },
              {
                "average": 0.005124171988,
                "count": 2301445,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.07139969933,
                "variance": 0.005097917064
              },
              {
                "average": 18.98795887,
                "count": 2301445,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.51658268,
                "variance": 462.9633301
              },
              {
                "average": 2.161308834,
                "count": 2301445,
                "maximum": 23.83799934,
                "minimum": -25.30200005,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.68541659,
                "variance": 160.9197941
              },
              {
                "average": 1.014912805,
                "count": 2301445,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.109088334,
                "variance": 1.230076933
              },
              {
                "average": 86.22465842,
                "count": 2301445,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4173572698,
                "variance": 0.1741870906
              },
              {
                "average": 232133605.2,
                "count": 2301445,
                "maximum": 232134019.1,
                "minimum": 232133477.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 217.5551314,
                "variance": 47330.23521
              },
              {
                "average": 1.014912805,
                "count": 2301445,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.109088334,
                "variance": 1.230076933
              },
              {
                "average": 0,
                "count": 2301445,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2301445,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1574341338,
                "count": 2301445,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3642096717,
                "variance": 0.1326486849
              },
              {
                "average": 0,
                "count": 2301445,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              724299.9901,
              2046499.981,
              -106.7232499,
              725300.0101,
              2046959.221,
              542.9767501
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    724299.9901481296,
                    2046499.9810922374,
                    -106.72324988213859
                  ],
                  [
                    724299.9901481296,
                    2046959.2210922376,
                    -106.72324988213859
                  ],
                  [
                    725300.0101481297,
                    2046959.2210922376,
                    542.9767501178615
                  ],
                  [
                    725300.0101481297,
                    2046499.9810922374,
                    542.9767501178615
                  ],
                  [
                    724299.9901481296,
                    2046499.9810922374,
                    -106.72324988213859
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:26:59+00:00",
            "end_time": "2019-01-21T19:17:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_694300e_2040500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16027375269412,
              18.4368063587222,
              -109.81577193328965
            ],
            [
              -67.16017757507595,
              18.4458400791146,
              -109.81577193328965
            ],
            [
              -67.15071203328509,
              18.44574802708414,
              587.7042280667104
            ],
            [
              -67.15080870503343,
              18.43671435492694,
              587.7042280667104
            ],
            [
              -67.16027375269412,
              18.4368063587222,
              -109.81577193328965
            ]
          ]
        ]
      },
      "bbox": [
        -67.16027375,
        18.43671435,
        -109.8157719,
        -67.15071203,
        18.44584008,
        587.7042281
      ],
      "properties": {
        "datetime": "2019-01-27T14:56:04Z",
        "pc:count": 24917867,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694789.1365,
            "count": 24917867,
            "maximum": 695300.0103,
            "minimum": 694299.9903,
            "name": "X",
            "position": 0,
            "stddev": 264.6007596,
            "variance": 70013.562
          },
          {
            "average": 2039973.834,
            "count": 24917867,
            "maximum": 2040499.999,
            "minimum": 2039499.979,
            "name": "Y",
            "position": 1,
            "stddev": 290.8885678,
            "variance": 84616.15886
          },
          {
            "average": 45.80187525,
            "count": 24917867,
            "maximum": 587.7042281,
            "minimum": -109.8157719,
            "name": "Z",
            "position": 2,
            "stddev": 39.73839215,
            "variance": 1579.13981
          },
          {
            "average": 1086.854013,
            "count": 24917867,
            "maximum": 4792,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 665.0356824,
            "variance": 442272.4589
          },
          {
            "average": 2.048727526,
            "count": 24917867,
            "maximum": 14,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.426656132,
            "variance": 2.035347719
          },
          {
            "average": 3.097992216,
            "count": 24917867,
            "maximum": 14,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.989448047,
            "variance": 3.957903531
          },
          {
            "average": 0.4010079996,
            "count": 24917867,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4901026357,
            "variance": 0.2402005935
          },
          {
            "average": 0.00123810758,
            "count": 24917867,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03516496437,
            "variance": 0.001236574719
          },
          {
            "average": 8.90107211,
            "count": 24917867,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 16.25104431,
            "variance": 264.0964411
          },
          {
            "average": -1.792660448,
            "count": 24917867,
            "maximum": 20.70599937,
            "minimum": -21.64800072,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.43284097,
            "variance": 180.4412167
          },
          {
            "average": 0.9832667058,
            "count": 24917867,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.086724782,
            "variance": 1.180970751
          },
          {
            "average": 113.2308373,
            "count": 24917867,
            "maximum": 116,
            "minimum": 111,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.151665415,
            "variance": 1.326333228
          },
          {
            "average": 232635486.5,
            "count": 24917867,
            "maximum": 232636164.4,
            "minimum": 232634892.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 294.4251812,
            "variance": 86686.18734
          },
          {
            "average": 0.9832665854,
            "count": 24917867,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.086724724,
            "variance": 1.180970626
          },
          {
            "average": 0,
            "count": 24917867,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24917867,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2376270007,
            "count": 24917867,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4256294357,
            "variance": 0.1811604165
          },
          {
            "average": 0,
            "count": 24917867,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9903,
          2039499.979,
          -109.8157719,
          695300.0103,
          2040499.999,
          587.7042281
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9903144981,
                2039499.9794795576,
                -109.81577193328965
              ],
              [
                694299.9903144981,
                2040499.9994795576,
                -109.81577193328965
              ],
              [
                695300.0103144981,
                2040499.9994795576,
                587.7042280667104
              ],
              [
                695300.0103144981,
                2039499.9794795576,
                587.7042280667104
              ],
              [
                694299.9903144981,
                2039499.9794795576,
                -109.81577193328965
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:56:04+00:00",
        "end_time": "2019-01-27T14:34:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_694300e_2040500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_694300e_2040500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_694300e_2040500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2040500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16027375,
            18.43671435,
            -109.8157719,
            -67.15071203,
            18.44584008,
            587.7042281
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16027375269412,
                  18.4368063587222,
                  -109.81577193328965
                ],
                [
                  -67.16017757507595,
                  18.4458400791146,
                  -109.81577193328965
                ],
                [
                  -67.15071203328509,
                  18.44574802708414,
                  587.7042280667104
                ],
                [
                  -67.15080870503343,
                  18.43671435492694,
                  587.7042280667104
                ],
                [
                  -67.16027375269412,
                  18.4368063587222,
                  -109.81577193328965
                ]
              ]
            ]
          },
          "id": "20190127_694300e_2040500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2040500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:56:04Z",
            "pc:count": 24917867,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694789.1365,
                "count": 24917867,
                "maximum": 695300.0103,
                "minimum": 694299.9903,
                "name": "X",
                "position": 0,
                "stddev": 264.6007596,
                "variance": 70013.562
              },
              {
                "average": 2039973.834,
                "count": 24917867,
                "maximum": 2040499.999,
                "minimum": 2039499.979,
                "name": "Y",
                "position": 1,
                "stddev": 290.8885678,
                "variance": 84616.15886
              },
              {
                "average": 45.80187525,
                "count": 24917867,
                "maximum": 587.7042281,
                "minimum": -109.8157719,
                "name": "Z",
                "position": 2,
                "stddev": 39.73839215,
                "variance": 1579.13981
              },
              {
                "average": 1086.854013,
                "count": 24917867,
                "maximum": 4792,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 665.0356824,
                "variance": 442272.4589
              },
              {
                "average": 2.048727526,
                "count": 24917867,
                "maximum": 14,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.426656132,
                "variance": 2.035347719
              },
              {
                "average": 3.097992216,
                "count": 24917867,
                "maximum": 14,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.989448047,
                "variance": 3.957903531
              },
              {
                "average": 0.4010079996,
                "count": 24917867,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4901026357,
                "variance": 0.2402005935
              },
              {
                "average": 0.00123810758,
                "count": 24917867,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03516496437,
                "variance": 0.001236574719
              },
              {
                "average": 8.90107211,
                "count": 24917867,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 16.25104431,
                "variance": 264.0964411
              },
              {
                "average": -1.792660448,
                "count": 24917867,
                "maximum": 20.70599937,
                "minimum": -21.64800072,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.43284097,
                "variance": 180.4412167
              },
              {
                "average": 0.9832667058,
                "count": 24917867,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.086724782,
                "variance": 1.180970751
              },
              {
                "average": 113.2308373,
                "count": 24917867,
                "maximum": 116,
                "minimum": 111,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.151665415,
                "variance": 1.326333228
              },
              {
                "average": 232635486.5,
                "count": 24917867,
                "maximum": 232636164.4,
                "minimum": 232634892.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 294.4251812,
                "variance": 86686.18734
              },
              {
                "average": 0.9832665854,
                "count": 24917867,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.086724724,
                "variance": 1.180970626
              },
              {
                "average": 0,
                "count": 24917867,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24917867,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2376270007,
                "count": 24917867,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4256294357,
                "variance": 0.1811604165
              },
              {
                "average": 0,
                "count": 24917867,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9903,
              2039499.979,
              -109.8157719,
              695300.0103,
              2040499.999,
              587.7042281
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9903144981,
                    2039499.9794795576,
                    -109.81577193328965
                  ],
                  [
                    694299.9903144981,
                    2040499.9994795576,
                    -109.81577193328965
                  ],
                  [
                    695300.0103144981,
                    2040499.9994795576,
                    587.7042280667104
                  ],
                  [
                    695300.0103144981,
                    2039499.9794795576,
                    587.7042280667104
                  ],
                  [
                    694299.9903144981,
                    2039499.9794795576,
                    -109.81577193328965
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:56:04+00:00",
            "end_time": "2019-01-27T14:34:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_723300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.88524489336756,
              18.480617648954087,
              -109.25949976587012
            ],
            [
              -66.88515260384958,
              18.488139132025285,
              -109.25949976587012
            ],
            [
              -66.87568632376842,
              18.488033127116143,
              567.5205002341298
            ],
            [
              -66.87577902562835,
              18.4805116902022,
              567.5205002341298
            ],
            [
              -66.88524489336756,
              18.480617648954087,
              -109.25949976587012
            ]
          ]
        ]
      },
      "bbox": [
        -66.88524489,
        18.48051169,
        -109.2594998,
        -66.87568632,
        18.48813913,
        567.5205002
      ],
      "properties": {
        "datetime": "2019-01-21T20:20:27Z",
        "pc:count": 12430128,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 723778.4417,
            "count": 12430128,
            "maximum": 724300.0104,
            "minimum": 723299.9904,
            "name": "X",
            "position": 0,
            "stddev": 290.7850832,
            "variance": 84555.96462
          },
          {
            "average": 2045251.067,
            "count": 12430128,
            "maximum": 2045499.991,
            "minimum": 2044667.231,
            "name": "Y",
            "position": 1,
            "stddev": 173.3780601,
            "variance": 30059.95172
          },
          {
            "average": 30.87503419,
            "count": 12430128,
            "maximum": 567.5205002,
            "minimum": -109.2594998,
            "name": "Z",
            "position": 2,
            "stddev": 12.58496296,
            "variance": 158.3812926
          },
          {
            "average": 1526.046305,
            "count": 12430128,
            "maximum": 4059,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 515.936762,
            "variance": 266190.7424
          },
          {
            "average": 1.734458004,
            "count": 12430128,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.242062264,
            "variance": 1.542718667
          },
          {
            "average": 2.468751891,
            "count": 12430128,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.83133112,
            "variance": 3.353773672
          },
          {
            "average": 0.3487232794,
            "count": 12430128,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4765662305,
            "variance": 0.2271153721
          },
          {
            "average": 0.001502800293,
            "count": 12430128,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03873683008,
            "variance": 0.001500542005
          },
          {
            "average": 1.376104816,
            "count": 12430128,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.06750876,
            "variance": 4.274592474
          },
          {
            "average": 1.07502837,
            "count": 12430128,
            "maximum": 23.61000061,
            "minimum": -22.62599945,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.30912443,
            "variance": 177.1327931
          },
          {
            "average": 1.078205711,
            "count": 12430128,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.17245176,
            "variance": 1.37464313
          },
          {
            "average": 91.34799698,
            "count": 12430128,
            "maximum": 94,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.767928539,
            "variance": 0.589714241
          },
          {
            "average": 232136341.8,
            "count": 12430128,
            "maximum": 232137227.8,
            "minimum": 232135653.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 378.0316278,
            "variance": 142907.9116
          },
          {
            "average": 1.078205711,
            "count": 12430128,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.17245176,
            "variance": 1.37464313
          },
          {
            "average": 0,
            "count": 12430128,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12430128,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1855357403,
            "count": 12430128,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3887315803,
            "variance": 0.1511122415
          },
          {
            "average": 0,
            "count": 12430128,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          723299.9904,
          2044667.231,
          -109.2594998,
          724300.0104,
          2045499.991,
          567.5205002
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                723299.9903786273,
                2044667.2314233843,
                -109.25949976587012
              ],
              [
                723299.9903786273,
                2045499.991423384,
                -109.25949976587012
              ],
              [
                724300.0103786273,
                2045499.991423384,
                567.5205002341298
              ],
              [
                724300.0103786273,
                2044667.2314233843,
                567.5205002341298
              ],
              [
                723299.9903786273,
                2044667.2314233843,
                -109.25949976587012
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:20:27+00:00",
        "end_time": "2019-01-21T19:54:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_723300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_723300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_723300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_723300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.88524489,
            18.48051169,
            -109.2594998,
            -66.87568632,
            18.48813913,
            567.5205002
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.88524489336756,
                  18.480617648954087,
                  -109.25949976587012
                ],
                [
                  -66.88515260384958,
                  18.488139132025285,
                  -109.25949976587012
                ],
                [
                  -66.87568632376842,
                  18.488033127116143,
                  567.5205002341298
                ],
                [
                  -66.87577902562835,
                  18.4805116902022,
                  567.5205002341298
                ],
                [
                  -66.88524489336756,
                  18.480617648954087,
                  -109.25949976587012
                ]
              ]
            ]
          },
          "id": "20190121_723300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_723300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:20:27Z",
            "pc:count": 12430128,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 723778.4417,
                "count": 12430128,
                "maximum": 724300.0104,
                "minimum": 723299.9904,
                "name": "X",
                "position": 0,
                "stddev": 290.7850832,
                "variance": 84555.96462
              },
              {
                "average": 2045251.067,
                "count": 12430128,
                "maximum": 2045499.991,
                "minimum": 2044667.231,
                "name": "Y",
                "position": 1,
                "stddev": 173.3780601,
                "variance": 30059.95172
              },
              {
                "average": 30.87503419,
                "count": 12430128,
                "maximum": 567.5205002,
                "minimum": -109.2594998,
                "name": "Z",
                "position": 2,
                "stddev": 12.58496296,
                "variance": 158.3812926
              },
              {
                "average": 1526.046305,
                "count": 12430128,
                "maximum": 4059,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 515.936762,
                "variance": 266190.7424
              },
              {
                "average": 1.734458004,
                "count": 12430128,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.242062264,
                "variance": 1.542718667
              },
              {
                "average": 2.468751891,
                "count": 12430128,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.83133112,
                "variance": 3.353773672
              },
              {
                "average": 0.3487232794,
                "count": 12430128,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4765662305,
                "variance": 0.2271153721
              },
              {
                "average": 0.001502800293,
                "count": 12430128,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03873683008,
                "variance": 0.001500542005
              },
              {
                "average": 1.376104816,
                "count": 12430128,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.06750876,
                "variance": 4.274592474
              },
              {
                "average": 1.07502837,
                "count": 12430128,
                "maximum": 23.61000061,
                "minimum": -22.62599945,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.30912443,
                "variance": 177.1327931
              },
              {
                "average": 1.078205711,
                "count": 12430128,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.17245176,
                "variance": 1.37464313
              },
              {
                "average": 91.34799698,
                "count": 12430128,
                "maximum": 94,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.767928539,
                "variance": 0.589714241
              },
              {
                "average": 232136341.8,
                "count": 12430128,
                "maximum": 232137227.8,
                "minimum": 232135653.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 378.0316278,
                "variance": 142907.9116
              },
              {
                "average": 1.078205711,
                "count": 12430128,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.17245176,
                "variance": 1.37464313
              },
              {
                "average": 0,
                "count": 12430128,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12430128,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1855357403,
                "count": 12430128,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3887315803,
                "variance": 0.1511122415
              },
              {
                "average": 0,
                "count": 12430128,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              723299.9904,
              2044667.231,
              -109.2594998,
              724300.0104,
              2045499.991,
              567.5205002
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    723299.9903786273,
                    2044667.2314233843,
                    -109.25949976587012
                  ],
                  [
                    723299.9903786273,
                    2045499.991423384,
                    -109.25949976587012
                  ],
                  [
                    724300.0103786273,
                    2045499.991423384,
                    567.5205002341298
                  ],
                  [
                    724300.0103786273,
                    2044667.2314233843,
                    567.5205002341298
                  ],
                  [
                    723299.9903786273,
                    2044667.2314233843,
                    -109.25949976587012
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:20:27+00:00",
            "end_time": "2019-01-21T19:54:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_688300e_2036500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.21229924188252,
              18.401164830181706,
              -144.75858459264506
            ],
            [
              -67.21227999303295,
              18.403029775765862,
              -144.75858459264506
            ],
            [
              -67.20795375061195,
              18.402989032232444,
              439.7414154073549
            ],
            [
              -67.20797304598263,
              18.40112409106477,
              439.7414154073549
            ],
            [
              -67.21229924188252,
              18.401164830181706,
              -144.75858459264506
            ]
          ]
        ]
      },
      "bbox": [
        -67.21229924,
        18.40112409,
        -144.7585846,
        -67.20795375,
        18.40302978,
        439.7414154
      ],
      "properties": {
        "datetime": "2019-02-01T16:27:36Z",
        "pc:count": 320715,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 689147.4829,
            "count": 320715,
            "maximum": 689300.0014,
            "minimum": 688842.8414,
            "name": "X",
            "position": 0,
            "stddev": 106.5027316,
            "variance": 11342.83183
          },
          {
            "average": 2035560.606,
            "count": 320715,
            "maximum": 2035706.419,
            "minimum": 2035499.979,
            "name": "Y",
            "position": 1,
            "stddev": 44.39759989,
            "variance": 1971.146876
          },
          {
            "average": 0.06591005213,
            "count": 320715,
            "maximum": 439.7414154,
            "minimum": -144.7585846,
            "name": "Z",
            "position": 2,
            "stddev": 4.706872845,
            "variance": 22.15465198
          },
          {
            "average": 776.925055,
            "count": 320715,
            "maximum": 2710,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 515.7070966,
            "variance": 265953.8094
          },
          {
            "average": 1.021246278,
            "count": 320715,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1478346135,
            "variance": 0.02185507294
          },
          {
            "average": 1.042165162,
            "count": 320715,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2086841698,
            "variance": 0.04354908271
          },
          {
            "average": 0.4401134964,
            "count": 320715,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4964014253,
            "variance": 0.246414375
          },
          {
            "average": 0.006766131924,
            "count": 320715,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08197787712,
            "variance": 0.006720372337
          },
          {
            "average": 20.02675584,
            "count": 320715,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.92302466,
            "variance": 437.772961
          },
          {
            "average": 14.02389039,
            "count": 320715,
            "maximum": 21,
            "minimum": -16.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.136628229,
            "variance": 26.38494956
          },
          {
            "average": 1.132709727,
            "count": 320715,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.111249168,
            "variance": 1.234874713
          },
          {
            "average": 122,
            "count": 320715,
            "maximum": 122,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 233073652,
            "count": 320715,
            "maximum": 233073656.2,
            "minimum": 233073647.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.989803679,
            "variance": 3.959318683
          },
          {
            "average": 1.132709727,
            "count": 320715,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.111249168,
            "variance": 1.234874713
          },
          {
            "average": 0,
            "count": 320715,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 320715,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.3466660431,
            "count": 320715,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.475909029,
            "variance": 0.2264894039
          },
          {
            "average": 0,
            "count": 320715,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          688842.8414,
          2035499.979,
          -144.7585846,
          689300.0014,
          2035706.419,
          439.7414154
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                688842.8413706167,
                2035499.9789994776,
                -144.75858459264506
              ],
              [
                688842.8413706167,
                2035706.4189994775,
                -144.75858459264506
              ],
              [
                689300.0013706166,
                2035706.4189994775,
                439.7414154073549
              ],
              [
                689300.0013706166,
                2035499.9789994776,
                439.7414154073549
              ],
              [
                688842.8413706167,
                2035499.9789994776,
                -144.75858459264506
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:27:36+00:00",
        "end_time": "2019-02-01T16:27:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_688300e_2036500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_688300e_2036500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_688300e_2036500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_688300e_2036500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.21229924,
            18.40112409,
            -144.7585846,
            -67.20795375,
            18.40302978,
            439.7414154
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.21229924188252,
                  18.401164830181706,
                  -144.75858459264506
                ],
                [
                  -67.21227999303295,
                  18.403029775765862,
                  -144.75858459264506
                ],
                [
                  -67.20795375061195,
                  18.402989032232444,
                  439.7414154073549
                ],
                [
                  -67.20797304598263,
                  18.40112409106477,
                  439.7414154073549
                ],
                [
                  -67.21229924188252,
                  18.401164830181706,
                  -144.75858459264506
                ]
              ]
            ]
          },
          "id": "20190201_688300e_2036500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_688300e_2036500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:27:36Z",
            "pc:count": 320715,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 689147.4829,
                "count": 320715,
                "maximum": 689300.0014,
                "minimum": 688842.8414,
                "name": "X",
                "position": 0,
                "stddev": 106.5027316,
                "variance": 11342.83183
              },
              {
                "average": 2035560.606,
                "count": 320715,
                "maximum": 2035706.419,
                "minimum": 2035499.979,
                "name": "Y",
                "position": 1,
                "stddev": 44.39759989,
                "variance": 1971.146876
              },
              {
                "average": 0.06591005213,
                "count": 320715,
                "maximum": 439.7414154,
                "minimum": -144.7585846,
                "name": "Z",
                "position": 2,
                "stddev": 4.706872845,
                "variance": 22.15465198
              },
              {
                "average": 776.925055,
                "count": 320715,
                "maximum": 2710,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 515.7070966,
                "variance": 265953.8094
              },
              {
                "average": 1.021246278,
                "count": 320715,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1478346135,
                "variance": 0.02185507294
              },
              {
                "average": 1.042165162,
                "count": 320715,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2086841698,
                "variance": 0.04354908271
              },
              {
                "average": 0.4401134964,
                "count": 320715,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4964014253,
                "variance": 0.246414375
              },
              {
                "average": 0.006766131924,
                "count": 320715,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08197787712,
                "variance": 0.006720372337
              },
              {
                "average": 20.02675584,
                "count": 320715,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.92302466,
                "variance": 437.772961
              },
              {
                "average": 14.02389039,
                "count": 320715,
                "maximum": 21,
                "minimum": -16.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.136628229,
                "variance": 26.38494956
              },
              {
                "average": 1.132709727,
                "count": 320715,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.111249168,
                "variance": 1.234874713
              },
              {
                "average": 122,
                "count": 320715,
                "maximum": 122,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 233073652,
                "count": 320715,
                "maximum": 233073656.2,
                "minimum": 233073647.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.989803679,
                "variance": 3.959318683
              },
              {
                "average": 1.132709727,
                "count": 320715,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.111249168,
                "variance": 1.234874713
              },
              {
                "average": 0,
                "count": 320715,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 320715,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.3466660431,
                "count": 320715,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.475909029,
                "variance": 0.2264894039
              },
              {
                "average": 0,
                "count": 320715,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              688842.8414,
              2035499.979,
              -144.7585846,
              689300.0014,
              2035706.419,
              439.7414154
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    688842.8413706167,
                    2035499.9789994776,
                    -144.75858459264506
                  ],
                  [
                    688842.8413706167,
                    2035706.4189994775,
                    -144.75858459264506
                  ],
                  [
                    689300.0013706166,
                    2035706.4189994775,
                    439.7414154073549
                  ],
                  [
                    689300.0013706166,
                    2035499.9789994776,
                    439.7414154073549
                  ],
                  [
                    688842.8413706167,
                    2035499.9789994776,
                    -144.75858459264506
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:27:36+00:00",
            "end_time": "2019-02-01T16:27:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_725300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.86610851973539,
              18.4969585026369,
              -110.28621070184914
            ],
            [
              -66.86606754915056,
              18.50026488879672,
              -110.28621070184914
            ],
            [
              -66.85660091021195,
              18.500157864410433,
              543.8337892981508
            ],
            [
              -66.85664206221365,
              18.496851498725043,
              543.8337892981508
            ],
            [
              -66.86610851973539,
              18.4969585026369,
              -110.28621070184914
            ]
          ]
        ]
      },
      "bbox": [
        -66.86610852,
        18.4968515,
        -110.2862107,
        -66.85660091,
        18.50026489,
        543.8337893
      ],
      "properties": {
        "datetime": "2019-01-21T19:26:43Z",
        "pc:count": 2155904,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 725792.2697,
            "count": 2155904,
            "maximum": 726300.0003,
            "minimum": 725300.0003,
            "name": "X",
            "position": 0,
            "stddev": 288.2555981,
            "variance": 83091.28984
          },
          {
            "average": 2046657.484,
            "count": 2155904,
            "maximum": 2046866.069,
            "minimum": 2046499.989,
            "name": "Y",
            "position": 1,
            "stddev": 100.7698804,
            "variance": 10154.56879
          },
          {
            "average": 0.2441713467,
            "count": 2155904,
            "maximum": 543.8337893,
            "minimum": -110.2862107,
            "name": "Z",
            "position": 2,
            "stddev": 12.90766041,
            "variance": 166.6076972
          },
          {
            "average": 746.7958814,
            "count": 2155904,
            "maximum": 2935,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 509.0365435,
            "variance": 259118.2026
          },
          {
            "average": 1.027757729,
            "count": 2155904,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1693388263,
            "variance": 0.02867563809
          },
          {
            "average": 1.05558318,
            "count": 2155904,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2399065789,
            "variance": 0.05755516662
          },
          {
            "average": 0.4012210191,
            "count": 2155904,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4901457175,
            "variance": 0.2402428244
          },
          {
            "average": 0.004611058748,
            "count": 2155904,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06774805543,
            "variance": 0.004589799015
          },
          {
            "average": 20.48839651,
            "count": 2155904,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.73039007,
            "variance": 472.2098525
          },
          {
            "average": 1.390885547,
            "count": 2155904,
            "maximum": 23.53800011,
            "minimum": -21.24600029,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.18759934,
            "variance": 148.5375776
          },
          {
            "average": 1.036714993,
            "count": 2155904,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.110371801,
            "variance": 1.232925536
          },
          {
            "average": 86.25891366,
            "count": 2155904,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4380382024,
            "variance": 0.1918774667
          },
          {
            "average": 232133630.3,
            "count": 2155904,
            "maximum": 232134003.9,
            "minimum": 232133493,
            "name": "GpsTime",
            "position": 12,
            "stddev": 215.0638049,
            "variance": 46252.44016
          },
          {
            "average": 1.036714993,
            "count": 2155904,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.110371801,
            "variance": 1.232925536
          },
          {
            "average": 0,
            "count": 2155904,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2155904,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1222712143,
            "count": 2155904,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3275988618,
            "variance": 0.1073210142
          },
          {
            "average": 0,
            "count": 2155904,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          725300.0003,
          2046499.989,
          -110.2862107,
          726300.0003,
          2046866.069,
          543.8337893
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                725300.0003150383,
                2046499.9887365403,
                -110.28621070184914
              ],
              [
                725300.0003150383,
                2046866.0687365404,
                -110.28621070184914
              ],
              [
                726300.0003150383,
                2046866.0687365404,
                543.8337892981508
              ],
              [
                726300.0003150383,
                2046499.9887365403,
                543.8337892981508
              ],
              [
                725300.0003150383,
                2046499.9887365403,
                -110.28621070184914
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:26:43+00:00",
        "end_time": "2019-01-21T19:18:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_725300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_725300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_725300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_725300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.86610852,
            18.4968515,
            -110.2862107,
            -66.85660091,
            18.50026489,
            543.8337893
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.86610851973539,
                  18.4969585026369,
                  -110.28621070184914
                ],
                [
                  -66.86606754915056,
                  18.50026488879672,
                  -110.28621070184914
                ],
                [
                  -66.85660091021195,
                  18.500157864410433,
                  543.8337892981508
                ],
                [
                  -66.85664206221365,
                  18.496851498725043,
                  543.8337892981508
                ],
                [
                  -66.86610851973539,
                  18.4969585026369,
                  -110.28621070184914
                ]
              ]
            ]
          },
          "id": "20190121_725300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_725300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:26:43Z",
            "pc:count": 2155904,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 725792.2697,
                "count": 2155904,
                "maximum": 726300.0003,
                "minimum": 725300.0003,
                "name": "X",
                "position": 0,
                "stddev": 288.2555981,
                "variance": 83091.28984
              },
              {
                "average": 2046657.484,
                "count": 2155904,
                "maximum": 2046866.069,
                "minimum": 2046499.989,
                "name": "Y",
                "position": 1,
                "stddev": 100.7698804,
                "variance": 10154.56879
              },
              {
                "average": 0.2441713467,
                "count": 2155904,
                "maximum": 543.8337893,
                "minimum": -110.2862107,
                "name": "Z",
                "position": 2,
                "stddev": 12.90766041,
                "variance": 166.6076972
              },
              {
                "average": 746.7958814,
                "count": 2155904,
                "maximum": 2935,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 509.0365435,
                "variance": 259118.2026
              },
              {
                "average": 1.027757729,
                "count": 2155904,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1693388263,
                "variance": 0.02867563809
              },
              {
                "average": 1.05558318,
                "count": 2155904,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2399065789,
                "variance": 0.05755516662
              },
              {
                "average": 0.4012210191,
                "count": 2155904,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4901457175,
                "variance": 0.2402428244
              },
              {
                "average": 0.004611058748,
                "count": 2155904,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06774805543,
                "variance": 0.004589799015
              },
              {
                "average": 20.48839651,
                "count": 2155904,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.73039007,
                "variance": 472.2098525
              },
              {
                "average": 1.390885547,
                "count": 2155904,
                "maximum": 23.53800011,
                "minimum": -21.24600029,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.18759934,
                "variance": 148.5375776
              },
              {
                "average": 1.036714993,
                "count": 2155904,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.110371801,
                "variance": 1.232925536
              },
              {
                "average": 86.25891366,
                "count": 2155904,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4380382024,
                "variance": 0.1918774667
              },
              {
                "average": 232133630.3,
                "count": 2155904,
                "maximum": 232134003.9,
                "minimum": 232133493,
                "name": "GpsTime",
                "position": 12,
                "stddev": 215.0638049,
                "variance": 46252.44016
              },
              {
                "average": 1.036714993,
                "count": 2155904,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.110371801,
                "variance": 1.232925536
              },
              {
                "average": 0,
                "count": 2155904,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2155904,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1222712143,
                "count": 2155904,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3275988618,
                "variance": 0.1073210142
              },
              {
                "average": 0,
                "count": 2155904,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              725300.0003,
              2046499.989,
              -110.2862107,
              726300.0003,
              2046866.069,
              543.8337893
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    725300.0003150383,
                    2046499.9887365403,
                    -110.28621070184914
                  ],
                  [
                    725300.0003150383,
                    2046866.0687365404,
                    -110.28621070184914
                  ],
                  [
                    726300.0003150383,
                    2046866.0687365404,
                    543.8337892981508
                  ],
                  [
                    726300.0003150383,
                    2046499.9887365403,
                    543.8337892981508
                  ],
                  [
                    725300.0003150383,
                    2046499.9887365403,
                    -110.28621070184914
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:26:43+00:00",
            "end_time": "2019-01-21T19:18:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_693300e_2037500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17002537874933,
              18.409797071108738,
              -108.78072703881224
            ],
            [
              -67.16992986092939,
              18.41883086667821,
              -108.78072703881224
            ],
            [
              -67.16046574515093,
              18.41873943036331,
              584.9192729611877
            ],
            [
              -67.16056175625921,
              18.409705682767374,
              584.9192729611877
            ],
            [
              -67.17002537874933,
              18.409797071108738,
              -108.78072703881224
            ]
          ]
        ]
      },
      "bbox": [
        -67.17002538,
        18.40970568,
        -108.780727,
        -67.16046575,
        18.41883087,
        584.919273
      ],
      "properties": {
        "datetime": "2019-01-27T14:51:36Z",
        "pc:count": 24536327,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693783.7799,
            "count": 24536327,
            "maximum": 694300.0104,
            "minimum": 693299.9904,
            "name": "X",
            "position": 0,
            "stddev": 292.1160909,
            "variance": 85331.81055
          },
          {
            "average": 2036911.4,
            "count": 24536327,
            "maximum": 2037499.999,
            "minimum": 2036499.979,
            "name": "Y",
            "position": 1,
            "stddev": 285.442852,
            "variance": 81477.62173
          },
          {
            "average": -1.001461857,
            "count": 24536327,
            "maximum": 584.919273,
            "minimum": -108.780727,
            "name": "Z",
            "position": 2,
            "stddev": 8.771364108,
            "variance": 76.93682831
          },
          {
            "average": 566.6877131,
            "count": 24536327,
            "maximum": 4253,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 556.6690034,
            "variance": 309880.3794
          },
          {
            "average": 2.208744936,
            "count": 24536327,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.516622188,
            "variance": 2.300142861
          },
          {
            "average": 3.417905255,
            "count": 24536327,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.056800165,
            "variance": 4.23042692
          },
          {
            "average": 0.5083804516,
            "count": 24536327,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4999297733,
            "variance": 0.2499297782
          },
          {
            "average": 0.001418468217,
            "count": 24536327,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03763583694,
            "variance": 0.001416456222
          },
          {
            "average": 24.82680077,
            "count": 24536327,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.04332645,
            "variance": 442.8215882
          },
          {
            "average": 0.8143585921,
            "count": 24536327,
            "maximum": 20.68199921,
            "minimum": -21.89999962,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.55519438,
            "variance": 183.7432947
          },
          {
            "average": 0.8259755015,
            "count": 24536327,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8825315633,
            "variance": 0.7788619602
          },
          {
            "average": 112.5222202,
            "count": 24536327,
            "maximum": 115,
            "minimum": 110,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.193095169,
            "variance": 1.423476083
          },
          {
            "average": 232635301,
            "count": 24536327,
            "maximum": 232635896.4,
            "minimum": 232634615.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 319.0321265,
            "variance": 101781.4977
          },
          {
            "average": 0.8259408183,
            "count": 24536327,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8825436806,
            "variance": 0.7788833482
          },
          {
            "average": 0,
            "count": 24536327,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24536327,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.245748029,
            "count": 24536327,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4305298396,
            "variance": 0.1853559428
          },
          {
            "average": 0,
            "count": 24536327,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693299.9904,
          2036499.979,
          -108.780727,
          694300.0104,
          2037499.999,
          584.919273
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693299.990440774,
                2036499.9794208847,
                -108.78072703881224
              ],
              [
                693299.990440774,
                2037499.9994208848,
                -108.78072703881224
              ],
              [
                694300.010440774,
                2037499.9994208848,
                584.9192729611877
              ],
              [
                694300.010440774,
                2036499.9794208847,
                584.9192729611877
              ],
              [
                693299.990440774,
                2036499.9794208847,
                -108.78072703881224
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:51:36+00:00",
        "end_time": "2019-01-27T14:30:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_693300e_2037500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_693300e_2037500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_693300e_2037500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_693300e_2037500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17002538,
            18.40970568,
            -108.780727,
            -67.16046575,
            18.41883087,
            584.919273
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17002537874933,
                  18.409797071108738,
                  -108.78072703881224
                ],
                [
                  -67.16992986092939,
                  18.41883086667821,
                  -108.78072703881224
                ],
                [
                  -67.16046574515093,
                  18.41873943036331,
                  584.9192729611877
                ],
                [
                  -67.16056175625921,
                  18.409705682767374,
                  584.9192729611877
                ],
                [
                  -67.17002537874933,
                  18.409797071108738,
                  -108.78072703881224
                ]
              ]
            ]
          },
          "id": "20190127_693300e_2037500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_693300e_2037500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:51:36Z",
            "pc:count": 24536327,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693783.7799,
                "count": 24536327,
                "maximum": 694300.0104,
                "minimum": 693299.9904,
                "name": "X",
                "position": 0,
                "stddev": 292.1160909,
                "variance": 85331.81055
              },
              {
                "average": 2036911.4,
                "count": 24536327,
                "maximum": 2037499.999,
                "minimum": 2036499.979,
                "name": "Y",
                "position": 1,
                "stddev": 285.442852,
                "variance": 81477.62173
              },
              {
                "average": -1.001461857,
                "count": 24536327,
                "maximum": 584.919273,
                "minimum": -108.780727,
                "name": "Z",
                "position": 2,
                "stddev": 8.771364108,
                "variance": 76.93682831
              },
              {
                "average": 566.6877131,
                "count": 24536327,
                "maximum": 4253,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 556.6690034,
                "variance": 309880.3794
              },
              {
                "average": 2.208744936,
                "count": 24536327,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.516622188,
                "variance": 2.300142861
              },
              {
                "average": 3.417905255,
                "count": 24536327,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.056800165,
                "variance": 4.23042692
              },
              {
                "average": 0.5083804516,
                "count": 24536327,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4999297733,
                "variance": 0.2499297782
              },
              {
                "average": 0.001418468217,
                "count": 24536327,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03763583694,
                "variance": 0.001416456222
              },
              {
                "average": 24.82680077,
                "count": 24536327,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.04332645,
                "variance": 442.8215882
              },
              {
                "average": 0.8143585921,
                "count": 24536327,
                "maximum": 20.68199921,
                "minimum": -21.89999962,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.55519438,
                "variance": 183.7432947
              },
              {
                "average": 0.8259755015,
                "count": 24536327,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8825315633,
                "variance": 0.7788619602
              },
              {
                "average": 112.5222202,
                "count": 24536327,
                "maximum": 115,
                "minimum": 110,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.193095169,
                "variance": 1.423476083
              },
              {
                "average": 232635301,
                "count": 24536327,
                "maximum": 232635896.4,
                "minimum": 232634615.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 319.0321265,
                "variance": 101781.4977
              },
              {
                "average": 0.8259408183,
                "count": 24536327,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8825436806,
                "variance": 0.7788833482
              },
              {
                "average": 0,
                "count": 24536327,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24536327,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.245748029,
                "count": 24536327,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4305298396,
                "variance": 0.1853559428
              },
              {
                "average": 0,
                "count": 24536327,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693299.9904,
              2036499.979,
              -108.780727,
              694300.0104,
              2037499.999,
              584.919273
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693299.990440774,
                    2036499.9794208847,
                    -108.78072703881224
                  ],
                  [
                    693299.990440774,
                    2037499.9994208848,
                    -108.78072703881224
                  ],
                  [
                    694300.010440774,
                    2037499.9994208848,
                    584.9192729611877
                  ],
                  [
                    694300.010440774,
                    2036499.9794208847,
                    584.9192729611877
                  ],
                  [
                    693299.990440774,
                    2036499.9794208847,
                    -108.78072703881224
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:51:36+00:00",
            "end_time": "2019-01-27T14:30:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_714300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.97035026199424,
              18.4890718602622,
              -120.94818659130905
            ],
            [
              -66.97024383910029,
              18.4981043332438,
              -120.94818659130905
            ],
            [
              -66.96077649884657,
              18.498002529282815,
              549.751813408691
            ],
            [
              -66.9608834172895,
              18.488970109509175,
              549.751813408691
            ],
            [
              -66.97035026199424,
              18.4890718602622,
              -120.94818659130905
            ]
          ]
        ]
      },
      "bbox": [
        -66.97035026,
        18.48897011,
        -120.9481866,
        -66.9607765,
        18.49810433,
        549.7518134
      ],
      "properties": {
        "datetime": "2019-01-21T20:05:08Z",
        "pc:count": 24378653,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 714786.9469,
            "count": 24378653,
            "maximum": 715300.0103,
            "minimum": 714299.9903,
            "name": "X",
            "position": 0,
            "stddev": 293.2965478,
            "variance": 86022.86495
          },
          {
            "average": 2045816.311,
            "count": 24378653,
            "maximum": 2046499.988,
            "minimum": 2045499.988,
            "name": "Y",
            "position": 1,
            "stddev": 242.3495761,
            "variance": 58733.31703
          },
          {
            "average": 17.95554797,
            "count": 24378653,
            "maximum": 549.7518134,
            "minimum": -120.9481866,
            "name": "Z",
            "position": 2,
            "stddev": 29.26110752,
            "variance": 856.2124132
          },
          {
            "average": 1003.546094,
            "count": 24378653,
            "maximum": 3241,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 601.2761427,
            "variance": 361532.9997
          },
          {
            "average": 1.984186247,
            "count": 24378653,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.320242432,
            "variance": 1.743040079
          },
          {
            "average": 2.970089611,
            "count": 24378653,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.811146294,
            "variance": 3.280250897
          },
          {
            "average": 0.4122014863,
            "count": 24378653,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4922310747,
            "variance": 0.2422914309
          },
          {
            "average": 0.001439784224,
            "count": 24378653,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03791716372,
            "variance": 0.001437711305
          },
          {
            "average": 12.3351599,
            "count": 24378653,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 18.77174954,
            "variance": 352.3785807
          },
          {
            "average": 3.334808369,
            "count": 24378653,
            "maximum": 23.52000046,
            "minimum": -26.80800056,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.9206581,
            "variance": 193.784722
          },
          {
            "average": 0.8957266835,
            "count": 24378653,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.029781933,
            "variance": 1.06045083
          },
          {
            "average": 89.46605934,
            "count": 24378653,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.0479442,
            "variance": 1.098187046
          },
          {
            "average": 232135371.6,
            "count": 24378653,
            "maximum": 232136308.5,
            "minimum": 232133329,
            "name": "GpsTime",
            "position": 12,
            "stddev": 575.3915758,
            "variance": 331075.4655
          },
          {
            "average": 0.8957266835,
            "count": 24378653,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.029781933,
            "variance": 1.06045083
          },
          {
            "average": 0,
            "count": 24378653,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24378653,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2632841527,
            "count": 24378653,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4404152763,
            "variance": 0.1939656156
          },
          {
            "average": 0,
            "count": 24378653,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          714299.9903,
          2045499.988,
          -120.9481866,
          715300.0103,
          2046499.988,
          549.7518134
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                714299.9902944344,
                2045499.988401739,
                -120.94818659130905
              ],
              [
                714299.9902944344,
                2046499.988401739,
                -120.94818659130905
              ],
              [
                715300.0102944344,
                2046499.988401739,
                549.751813408691
              ],
              [
                715300.0102944344,
                2045499.988401739,
                549.751813408691
              ],
              [
                714299.9902944344,
                2045499.988401739,
                -120.94818659130905
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:05:08+00:00",
        "end_time": "2019-01-21T19:15:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_714300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_714300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_714300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_714300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.97035026,
            18.48897011,
            -120.9481866,
            -66.9607765,
            18.49810433,
            549.7518134
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.97035026199424,
                  18.4890718602622,
                  -120.94818659130905
                ],
                [
                  -66.97024383910029,
                  18.4981043332438,
                  -120.94818659130905
                ],
                [
                  -66.96077649884657,
                  18.498002529282815,
                  549.751813408691
                ],
                [
                  -66.9608834172895,
                  18.488970109509175,
                  549.751813408691
                ],
                [
                  -66.97035026199424,
                  18.4890718602622,
                  -120.94818659130905
                ]
              ]
            ]
          },
          "id": "20190121_714300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_714300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:05:08Z",
            "pc:count": 24378653,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 714786.9469,
                "count": 24378653,
                "maximum": 715300.0103,
                "minimum": 714299.9903,
                "name": "X",
                "position": 0,
                "stddev": 293.2965478,
                "variance": 86022.86495
              },
              {
                "average": 2045816.311,
                "count": 24378653,
                "maximum": 2046499.988,
                "minimum": 2045499.988,
                "name": "Y",
                "position": 1,
                "stddev": 242.3495761,
                "variance": 58733.31703
              },
              {
                "average": 17.95554797,
                "count": 24378653,
                "maximum": 549.7518134,
                "minimum": -120.9481866,
                "name": "Z",
                "position": 2,
                "stddev": 29.26110752,
                "variance": 856.2124132
              },
              {
                "average": 1003.546094,
                "count": 24378653,
                "maximum": 3241,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 601.2761427,
                "variance": 361532.9997
              },
              {
                "average": 1.984186247,
                "count": 24378653,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.320242432,
                "variance": 1.743040079
              },
              {
                "average": 2.970089611,
                "count": 24378653,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.811146294,
                "variance": 3.280250897
              },
              {
                "average": 0.4122014863,
                "count": 24378653,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4922310747,
                "variance": 0.2422914309
              },
              {
                "average": 0.001439784224,
                "count": 24378653,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03791716372,
                "variance": 0.001437711305
              },
              {
                "average": 12.3351599,
                "count": 24378653,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 18.77174954,
                "variance": 352.3785807
              },
              {
                "average": 3.334808369,
                "count": 24378653,
                "maximum": 23.52000046,
                "minimum": -26.80800056,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.9206581,
                "variance": 193.784722
              },
              {
                "average": 0.8957266835,
                "count": 24378653,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.029781933,
                "variance": 1.06045083
              },
              {
                "average": 89.46605934,
                "count": 24378653,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.0479442,
                "variance": 1.098187046
              },
              {
                "average": 232135371.6,
                "count": 24378653,
                "maximum": 232136308.5,
                "minimum": 232133329,
                "name": "GpsTime",
                "position": 12,
                "stddev": 575.3915758,
                "variance": 331075.4655
              },
              {
                "average": 0.8957266835,
                "count": 24378653,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.029781933,
                "variance": 1.06045083
              },
              {
                "average": 0,
                "count": 24378653,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24378653,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2632841527,
                "count": 24378653,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4404152763,
                "variance": 0.1939656156
              },
              {
                "average": 0,
                "count": 24378653,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              714299.9903,
              2045499.988,
              -120.9481866,
              715300.0103,
              2046499.988,
              549.7518134
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    714299.9902944344,
                    2045499.988401739,
                    -120.94818659130905
                  ],
                  [
                    714299.9902944344,
                    2046499.988401739,
                    -120.94818659130905
                  ],
                  [
                    715300.0102944344,
                    2046499.988401739,
                    549.751813408691
                  ],
                  [
                    715300.0102944344,
                    2045499.988401739,
                    549.751813408691
                  ],
                  [
                    714299.9902944344,
                    2045499.988401739,
                    -120.94818659130905
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:05:08+00:00",
            "end_time": "2019-01-21T19:15:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_726300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.85664207761108,
              18.496851476931838,
              -113.73330839797646
            ],
            [
              -66.8565992729634,
              18.500290610225658,
              -113.73330839797646
            ],
            [
              -66.84713269149357,
              18.50018311209896,
              534.2066916020236
            ],
            [
              -66.8471756848378,
              18.496744000195825,
              534.2066916020236
            ],
            [
              -66.85664207761108,
              18.496851476931838,
              -113.73330839797646
            ]
          ]
        ]
      },
      "bbox": [
        -66.85664208,
        18.496744,
        -113.7333084,
        -66.84713269,
        18.50029061,
        534.2066916
      ],
      "properties": {
        "datetime": "2019-01-21T19:26:28Z",
        "pc:count": 1994220,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 726812.5407,
            "count": 1994220,
            "maximum": 727299.9987,
            "minimum": 726299.9987,
            "name": "X",
            "position": 0,
            "stddev": 289.1348715,
            "variance": 83598.97393
          },
          {
            "average": 2046654.266,
            "count": 1994220,
            "maximum": 2046880.766,
            "minimum": 2046499.986,
            "name": "Y",
            "position": 1,
            "stddev": 103.7985569,
            "variance": 10774.14041
          },
          {
            "average": 0.2172166143,
            "count": 1994220,
            "maximum": 534.2066916,
            "minimum": -113.7333084,
            "name": "Z",
            "position": 2,
            "stddev": 12.02730063,
            "variance": 144.6559605
          },
          {
            "average": 725.9611743,
            "count": 1994220,
            "maximum": 2808,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 528.7426428,
            "variance": 279568.7823
          },
          {
            "average": 1.035667579,
            "count": 1994220,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1917296427,
            "variance": 0.0367602559
          },
          {
            "average": 1.071429933,
            "count": 1994220,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2709598282,
            "variance": 0.07341922848
          },
          {
            "average": 0.4172849535,
            "count": 1994220,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4931108831,
            "variance": 0.243158343
          },
          {
            "average": 0.004825946987,
            "count": 1994220,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06930122388,
            "variance": 0.004802659631
          },
          {
            "average": 20.50515991,
            "count": 1994220,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.72655559,
            "variance": 472.0432179
          },
          {
            "average": 1.767415471,
            "count": 1994220,
            "maximum": 23.1060009,
            "minimum": -22.63800049,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.67467885,
            "variance": 160.647484
          },
          {
            "average": 0.9327255769,
            "count": 1994220,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.045767838,
            "variance": 1.09363037
          },
          {
            "average": 86.25565234,
            "count": 1994220,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4362273652,
            "variance": 0.1902943142
          },
          {
            "average": 232133636.3,
            "count": 1994220,
            "maximum": 232133988.6,
            "minimum": 232133508.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 200.8421184,
            "variance": 40337.55653
          },
          {
            "average": 0.9327255769,
            "count": 1994220,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.045767838,
            "variance": 1.09363037
          },
          {
            "average": 0,
            "count": 1994220,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1994220,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.172002086,
            "count": 1994220,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3773823523,
            "variance": 0.1424174398
          },
          {
            "average": 0,
            "count": 1994220,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          726299.9987,
          2046499.986,
          -113.7333084,
          727299.9987,
          2046880.766,
          534.2066916
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                726299.9987173838,
                2046499.9863046324,
                -113.73330839797646
              ],
              [
                726299.9987173838,
                2046880.7663046322,
                -113.73330839797646
              ],
              [
                727299.9987173838,
                2046880.7663046322,
                534.2066916020236
              ],
              [
                727299.9987173838,
                2046499.9863046324,
                534.2066916020236
              ],
              [
                726299.9987173838,
                2046499.9863046324,
                -113.73330839797646
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:26:28+00:00",
        "end_time": "2019-01-21T19:18:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_726300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_726300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_726300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_726300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.85664208,
            18.496744,
            -113.7333084,
            -66.84713269,
            18.50029061,
            534.2066916
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.85664207761108,
                  18.496851476931838,
                  -113.73330839797646
                ],
                [
                  -66.8565992729634,
                  18.500290610225658,
                  -113.73330839797646
                ],
                [
                  -66.84713269149357,
                  18.50018311209896,
                  534.2066916020236
                ],
                [
                  -66.8471756848378,
                  18.496744000195825,
                  534.2066916020236
                ],
                [
                  -66.85664207761108,
                  18.496851476931838,
                  -113.73330839797646
                ]
              ]
            ]
          },
          "id": "20190121_726300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_726300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:26:28Z",
            "pc:count": 1994220,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 726812.5407,
                "count": 1994220,
                "maximum": 727299.9987,
                "minimum": 726299.9987,
                "name": "X",
                "position": 0,
                "stddev": 289.1348715,
                "variance": 83598.97393
              },
              {
                "average": 2046654.266,
                "count": 1994220,
                "maximum": 2046880.766,
                "minimum": 2046499.986,
                "name": "Y",
                "position": 1,
                "stddev": 103.7985569,
                "variance": 10774.14041
              },
              {
                "average": 0.2172166143,
                "count": 1994220,
                "maximum": 534.2066916,
                "minimum": -113.7333084,
                "name": "Z",
                "position": 2,
                "stddev": 12.02730063,
                "variance": 144.6559605
              },
              {
                "average": 725.9611743,
                "count": 1994220,
                "maximum": 2808,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 528.7426428,
                "variance": 279568.7823
              },
              {
                "average": 1.035667579,
                "count": 1994220,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1917296427,
                "variance": 0.0367602559
              },
              {
                "average": 1.071429933,
                "count": 1994220,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2709598282,
                "variance": 0.07341922848
              },
              {
                "average": 0.4172849535,
                "count": 1994220,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4931108831,
                "variance": 0.243158343
              },
              {
                "average": 0.004825946987,
                "count": 1994220,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06930122388,
                "variance": 0.004802659631
              },
              {
                "average": 20.50515991,
                "count": 1994220,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.72655559,
                "variance": 472.0432179
              },
              {
                "average": 1.767415471,
                "count": 1994220,
                "maximum": 23.1060009,
                "minimum": -22.63800049,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.67467885,
                "variance": 160.647484
              },
              {
                "average": 0.9327255769,
                "count": 1994220,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.045767838,
                "variance": 1.09363037
              },
              {
                "average": 86.25565234,
                "count": 1994220,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4362273652,
                "variance": 0.1902943142
              },
              {
                "average": 232133636.3,
                "count": 1994220,
                "maximum": 232133988.6,
                "minimum": 232133508.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 200.8421184,
                "variance": 40337.55653
              },
              {
                "average": 0.9327255769,
                "count": 1994220,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.045767838,
                "variance": 1.09363037
              },
              {
                "average": 0,
                "count": 1994220,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1994220,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.172002086,
                "count": 1994220,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3773823523,
                "variance": 0.1424174398
              },
              {
                "average": 0,
                "count": 1994220,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              726299.9987,
              2046499.986,
              -113.7333084,
              727299.9987,
              2046880.766,
              534.2066916
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    726299.9987173838,
                    2046499.9863046324,
                    -113.73330839797646
                  ],
                  [
                    726299.9987173838,
                    2046880.7663046322,
                    -113.73330839797646
                  ],
                  [
                    727299.9987173838,
                    2046880.7663046322,
                    534.2066916020236
                  ],
                  [
                    727299.9987173838,
                    2046499.9863046324,
                    534.2066916020236
                  ],
                  [
                    726299.9987173838,
                    2046499.9863046324,
                    -113.73330839797646
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:26:28+00:00",
            "end_time": "2019-01-21T19:18:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2040500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1886686616851,
              18.43707953100474,
              -90.98421506760943
            ],
            [
              -67.18857396650806,
              18.446113394616898,
              -90.98421506760943
            ],
            [
              -67.17910825897292,
              18.44602275792914,
              492.0157849323906
            ],
            [
              -67.17920344832012,
              18.436988941810682,
              492.0157849323906
            ],
            [
              -67.1886686616851,
              18.43707953100474,
              -90.98421506760943
            ]
          ]
        ]
      },
      "bbox": [
        -67.18866866,
        18.43698894,
        -90.98421507,
        -67.17910826,
        18.44611339,
        492.0157849
      ],
      "properties": {
        "datetime": "2019-01-26T12:49:26Z",
        "pc:count": 11600589,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691809.0131,
            "count": 11600589,
            "maximum": 692300.0101,
            "minimum": 691299.9901,
            "name": "X",
            "position": 0,
            "stddev": 282.3034756,
            "variance": 79695.25235
          },
          {
            "average": 2039861.848,
            "count": 11600589,
            "maximum": 2040499.999,
            "minimum": 2039499.979,
            "name": "Y",
            "position": 1,
            "stddev": 287.9487527,
            "variance": 82914.4842
          },
          {
            "average": -0.1130233798,
            "count": 11600589,
            "maximum": 492.0157849,
            "minimum": -90.98421507,
            "name": "Z",
            "position": 2,
            "stddev": 10.67971897,
            "variance": 114.0563973
          },
          {
            "average": 305.8107256,
            "count": 11600589,
            "maximum": 3572,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 479.9578253,
            "variance": 230359.5141
          },
          {
            "average": 1.532041261,
            "count": 11600589,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8718855214,
            "variance": 0.7601843625
          },
          {
            "average": 2.064307424,
            "count": 11600589,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.210526701,
            "variance": 1.465374893
          },
          {
            "average": 0.5337739317,
            "count": 11600589,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4988580389,
            "variance": 0.248859343
          },
          {
            "average": 0.003124927536,
            "count": 11600589,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05581364199,
            "variance": 0.003115162632
          },
          {
            "average": 28.9461798,
            "count": 11600589,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.93015823,
            "variance": 438.0715234
          },
          {
            "average": -1.577137145,
            "count": 11600589,
            "maximum": 20.61000061,
            "minimum": -21.58200073,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.2244767,
            "variance": 174.886784
          },
          {
            "average": 0.9568083138,
            "count": 11600589,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.942016457,
            "variance": 0.8873950052
          },
          {
            "average": 102.3507843,
            "count": 11600589,
            "maximum": 105,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.184603068,
            "variance": 1.40328443
          },
          {
            "average": 232541155.1,
            "count": 11600589,
            "maximum": 232542166.1,
            "minimum": 232540254.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 453.1254455,
            "variance": 205322.6694
          },
          {
            "average": 0.9568083138,
            "count": 11600589,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.942016457,
            "variance": 0.8873950052
          },
          {
            "average": 0,
            "count": 11600589,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11600589,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2448431713,
            "count": 11600589,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4299941961,
            "variance": 0.1848950087
          },
          {
            "average": 0,
            "count": 11600589,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691299.9901,
          2039499.979,
          -90.98421507,
          692300.0101,
          2040499.999,
          492.0157849
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691299.9901159499,
                2039499.9789852693,
                -90.98421506760943
              ],
              [
                691299.9901159499,
                2040499.9989852693,
                -90.98421506760943
              ],
              [
                692300.0101159499,
                2040499.9989852693,
                492.0157849323906
              ],
              [
                692300.0101159499,
                2039499.9789852693,
                492.0157849323906
              ],
              [
                691299.9901159499,
                2039499.9789852693,
                -90.98421506760943
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:49:26+00:00",
        "end_time": "2019-01-26T12:17:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2040500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2040500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2040500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2040500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18866866,
            18.43698894,
            -90.98421507,
            -67.17910826,
            18.44611339,
            492.0157849
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1886686616851,
                  18.43707953100474,
                  -90.98421506760943
                ],
                [
                  -67.18857396650806,
                  18.446113394616898,
                  -90.98421506760943
                ],
                [
                  -67.17910825897292,
                  18.44602275792914,
                  492.0157849323906
                ],
                [
                  -67.17920344832012,
                  18.436988941810682,
                  492.0157849323906
                ],
                [
                  -67.1886686616851,
                  18.43707953100474,
                  -90.98421506760943
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2040500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2040500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:49:26Z",
            "pc:count": 11600589,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691809.0131,
                "count": 11600589,
                "maximum": 692300.0101,
                "minimum": 691299.9901,
                "name": "X",
                "position": 0,
                "stddev": 282.3034756,
                "variance": 79695.25235
              },
              {
                "average": 2039861.848,
                "count": 11600589,
                "maximum": 2040499.999,
                "minimum": 2039499.979,
                "name": "Y",
                "position": 1,
                "stddev": 287.9487527,
                "variance": 82914.4842
              },
              {
                "average": -0.1130233798,
                "count": 11600589,
                "maximum": 492.0157849,
                "minimum": -90.98421507,
                "name": "Z",
                "position": 2,
                "stddev": 10.67971897,
                "variance": 114.0563973
              },
              {
                "average": 305.8107256,
                "count": 11600589,
                "maximum": 3572,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 479.9578253,
                "variance": 230359.5141
              },
              {
                "average": 1.532041261,
                "count": 11600589,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8718855214,
                "variance": 0.7601843625
              },
              {
                "average": 2.064307424,
                "count": 11600589,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.210526701,
                "variance": 1.465374893
              },
              {
                "average": 0.5337739317,
                "count": 11600589,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4988580389,
                "variance": 0.248859343
              },
              {
                "average": 0.003124927536,
                "count": 11600589,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05581364199,
                "variance": 0.003115162632
              },
              {
                "average": 28.9461798,
                "count": 11600589,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.93015823,
                "variance": 438.0715234
              },
              {
                "average": -1.577137145,
                "count": 11600589,
                "maximum": 20.61000061,
                "minimum": -21.58200073,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.2244767,
                "variance": 174.886784
              },
              {
                "average": 0.9568083138,
                "count": 11600589,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.942016457,
                "variance": 0.8873950052
              },
              {
                "average": 102.3507843,
                "count": 11600589,
                "maximum": 105,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.184603068,
                "variance": 1.40328443
              },
              {
                "average": 232541155.1,
                "count": 11600589,
                "maximum": 232542166.1,
                "minimum": 232540254.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 453.1254455,
                "variance": 205322.6694
              },
              {
                "average": 0.9568083138,
                "count": 11600589,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.942016457,
                "variance": 0.8873950052
              },
              {
                "average": 0,
                "count": 11600589,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11600589,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2448431713,
                "count": 11600589,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4299941961,
                "variance": 0.1848950087
              },
              {
                "average": 0,
                "count": 11600589,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691299.9901,
              2039499.979,
              -90.98421507,
              692300.0101,
              2040499.999,
              492.0157849
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691299.9901159499,
                    2039499.9789852693,
                    -90.98421506760943
                  ],
                  [
                    691299.9901159499,
                    2040499.9989852693,
                    -90.98421506760943
                  ],
                  [
                    692300.0101159499,
                    2040499.9989852693,
                    492.0157849323906
                  ],
                  [
                    692300.0101159499,
                    2039499.9789852693,
                    492.0157849323906
                  ],
                  [
                    691299.9901159499,
                    2039499.9789852693,
                    -90.98421506760943
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:49:26+00:00",
            "end_time": "2019-01-26T12:17:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_724300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.87575650758856,
              18.482354403405346,
              -114.19614450464348
            ],
            [
              -66.87568651288562,
              18.488033143680767,
              -114.19614450464348
            ],
            [
              -66.86622029696619,
              18.487926666156138,
              560.5838554953565
            ],
            [
              -66.8662906029989,
              18.482247960885474,
              560.5838554953565
            ],
            [
              -66.87575650758856,
              18.482354403405346,
              -114.19614450464348
            ]
          ]
        ]
      },
      "bbox": [
        -66.87575651,
        18.48224796,
        -114.1961445,
        -66.8662203,
        18.48803314,
        560.5838555
      ],
      "properties": {
        "datetime": "2019-01-21T20:11:44Z",
        "pc:count": 12137587,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 724753.6171,
            "count": 12137587,
            "maximum": 725300.0104,
            "minimum": 724299.9904,
            "name": "X",
            "position": 0,
            "stddev": 297.2154737,
            "variance": 88337.03779
          },
          {
            "average": 2045245.122,
            "count": 12137587,
            "maximum": 2045499.993,
            "minimum": 2044871.253,
            "name": "Y",
            "position": 1,
            "stddev": 163.8765017,
            "variance": 26855.50782
          },
          {
            "average": 27.63337414,
            "count": 12137587,
            "maximum": 560.5838555,
            "minimum": -114.1961445,
            "name": "Z",
            "position": 2,
            "stddev": 11.91152304,
            "variance": 141.8843812
          },
          {
            "average": 1615.043479,
            "count": 12137587,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 498.6476446,
            "variance": 248649.4735
          },
          {
            "average": 1.572119318,
            "count": 12137587,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.148704166,
            "variance": 1.319521261
          },
          {
            "average": 2.144385371,
            "count": 12137587,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.749126107,
            "variance": 3.05944214
          },
          {
            "average": 0.3392182482,
            "count": 12137587,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4734440271,
            "variance": 0.2241492468
          },
          {
            "average": 0.001604190355,
            "count": 12137587,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04002020815,
            "variance": 0.00160161706
          },
          {
            "average": 1.330888504,
            "count": 12137587,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.023460316,
            "variance": 1.047471018
          },
          {
            "average": -0.3979418914,
            "count": 12137587,
            "maximum": 22.9260006,
            "minimum": -23.75399971,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.82447598,
            "variance": 191.116136
          },
          {
            "average": 1.170288543,
            "count": 12137587,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.209485006,
            "variance": 1.462853979
          },
          {
            "average": 91.33298044,
            "count": 12137587,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.697933414,
            "variance": 0.4871110504
          },
          {
            "average": 232136341.2,
            "count": 12137587,
            "maximum": 232136704.3,
            "minimum": 232135667.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 360.6773515,
            "variance": 130088.1519
          },
          {
            "average": 1.170288543,
            "count": 12137587,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.209485006,
            "variance": 1.462853979
          },
          {
            "average": 0,
            "count": 12137587,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12137587,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2167818859,
            "count": 12137587,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4120528047,
            "variance": 0.1697875138
          },
          {
            "average": 0,
            "count": 12137587,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          724299.9904,
          2044871.253,
          -114.1961445,
          725300.0104,
          2045499.993,
          560.5838555
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                724299.9903813689,
                2044871.25302217,
                -114.19614450464348
              ],
              [
                724299.9903813689,
                2045499.9930221702,
                -114.19614450464348
              ],
              [
                725300.0103813689,
                2045499.9930221702,
                560.5838554953565
              ],
              [
                725300.0103813689,
                2044871.25302217,
                560.5838554953565
              ],
              [
                724299.9903813689,
                2044871.25302217,
                -114.19614450464348
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:11:44+00:00",
        "end_time": "2019-01-21T19:54:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_724300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_724300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_724300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_724300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.87575651,
            18.48224796,
            -114.1961445,
            -66.8662203,
            18.48803314,
            560.5838555
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.87575650758856,
                  18.482354403405346,
                  -114.19614450464348
                ],
                [
                  -66.87568651288562,
                  18.488033143680767,
                  -114.19614450464348
                ],
                [
                  -66.86622029696619,
                  18.487926666156138,
                  560.5838554953565
                ],
                [
                  -66.8662906029989,
                  18.482247960885474,
                  560.5838554953565
                ],
                [
                  -66.87575650758856,
                  18.482354403405346,
                  -114.19614450464348
                ]
              ]
            ]
          },
          "id": "20190121_724300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_724300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:11:44Z",
            "pc:count": 12137587,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 724753.6171,
                "count": 12137587,
                "maximum": 725300.0104,
                "minimum": 724299.9904,
                "name": "X",
                "position": 0,
                "stddev": 297.2154737,
                "variance": 88337.03779
              },
              {
                "average": 2045245.122,
                "count": 12137587,
                "maximum": 2045499.993,
                "minimum": 2044871.253,
                "name": "Y",
                "position": 1,
                "stddev": 163.8765017,
                "variance": 26855.50782
              },
              {
                "average": 27.63337414,
                "count": 12137587,
                "maximum": 560.5838555,
                "minimum": -114.1961445,
                "name": "Z",
                "position": 2,
                "stddev": 11.91152304,
                "variance": 141.8843812
              },
              {
                "average": 1615.043479,
                "count": 12137587,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 498.6476446,
                "variance": 248649.4735
              },
              {
                "average": 1.572119318,
                "count": 12137587,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.148704166,
                "variance": 1.319521261
              },
              {
                "average": 2.144385371,
                "count": 12137587,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.749126107,
                "variance": 3.05944214
              },
              {
                "average": 0.3392182482,
                "count": 12137587,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4734440271,
                "variance": 0.2241492468
              },
              {
                "average": 0.001604190355,
                "count": 12137587,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04002020815,
                "variance": 0.00160161706
              },
              {
                "average": 1.330888504,
                "count": 12137587,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.023460316,
                "variance": 1.047471018
              },
              {
                "average": -0.3979418914,
                "count": 12137587,
                "maximum": 22.9260006,
                "minimum": -23.75399971,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.82447598,
                "variance": 191.116136
              },
              {
                "average": 1.170288543,
                "count": 12137587,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.209485006,
                "variance": 1.462853979
              },
              {
                "average": 91.33298044,
                "count": 12137587,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.697933414,
                "variance": 0.4871110504
              },
              {
                "average": 232136341.2,
                "count": 12137587,
                "maximum": 232136704.3,
                "minimum": 232135667.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 360.6773515,
                "variance": 130088.1519
              },
              {
                "average": 1.170288543,
                "count": 12137587,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.209485006,
                "variance": 1.462853979
              },
              {
                "average": 0,
                "count": 12137587,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12137587,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2167818859,
                "count": 12137587,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4120528047,
                "variance": 0.1697875138
              },
              {
                "average": 0,
                "count": 12137587,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              724299.9904,
              2044871.253,
              -114.1961445,
              725300.0104,
              2045499.993,
              560.5838555
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    724299.9903813689,
                    2044871.25302217,
                    -114.19614450464348
                  ],
                  [
                    724299.9903813689,
                    2045499.9930221702,
                    -114.19614450464348
                  ],
                  [
                    725300.0103813689,
                    2045499.9930221702,
                    560.5838554953565
                  ],
                  [
                    725300.0103813689,
                    2044871.25302217,
                    560.5838554953565
                  ],
                  [
                    724299.9903813689,
                    2044871.25302217,
                    -114.19614450464348
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:11:44+00:00",
            "end_time": "2019-01-21T19:54:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_689300e_2035500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.208066582268,
              18.392090274413217,
              -150.97472510631331
            ],
            [
              -67.20797314579137,
              18.401124277471094,
              -150.97472510631331
            ],
            [
              -67.19850979726766,
              18.401034819348894,
              502.8852748936867
            ],
            [
              -67.19860372651556,
              18.392000863266706,
              502.8852748936867
            ],
            [
              -67.208066582268,
              18.392090274413217,
              -150.97472510631331
            ]
          ]
        ]
      },
      "bbox": [
        -67.20806658,
        18.39200086,
        -150.9747251,
        -67.1985098,
        18.40112428,
        502.8852749
      ],
      "properties": {
        "datetime": "2019-02-01T16:49:35Z",
        "pc:count": 34088496,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 689914.9135,
            "count": 34088496,
            "maximum": 690300.0106,
            "minimum": 689299.9906,
            "name": "X",
            "position": 0,
            "stddev": 256.9503394,
            "variance": 66023.4769
          },
          {
            "average": 2034883.62,
            "count": 34088496,
            "maximum": 2035500,
            "minimum": 2034499.98,
            "name": "Y",
            "position": 1,
            "stddev": 275.2136107,
            "variance": 75742.53153
          },
          {
            "average": -0.9155298144,
            "count": 34088496,
            "maximum": 502.8852749,
            "minimum": -150.9747251,
            "name": "Z",
            "position": 2,
            "stddev": 8.442842129,
            "variance": 71.28158322
          },
          {
            "average": 424.3150823,
            "count": 34088496,
            "maximum": 3916,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 421.2098147,
            "variance": 177417.708
          },
          {
            "average": 2.25647676,
            "count": 34088496,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.543154686,
            "variance": 2.381326384
          },
          {
            "average": 3.513383137,
            "count": 34088496,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.075592775,
            "variance": 4.308085366
          },
          {
            "average": 0.5070609158,
            "count": 34088496,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4999501483,
            "variance": 0.2499501508
          },
          {
            "average": 0.001419071114,
            "count": 34088496,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03764382277,
            "variance": 0.001417057393
          },
          {
            "average": 29.35814816,
            "count": 34088496,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.83116102,
            "variance": 433.9372694
          },
          {
            "average": 0.07809135866,
            "count": 34088496,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.63269994,
            "variance": 185.8505077
          },
          {
            "average": 0.7736577173,
            "count": 34088496,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8416041633,
            "variance": 0.7082975676
          },
          {
            "average": 110.3620359,
            "count": 34088496,
            "maximum": 126,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 11.75809154,
            "variance": 138.2527166
          },
          {
            "average": 232756831.2,
            "count": 34088496,
            "maximum": 233074975.6,
            "minimum": 232540169.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 262177.3439,
            "variance": 68736959660.0
          },
          {
            "average": 0.7736539623,
            "count": 34088496,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8416053842,
            "variance": 0.7082996227
          },
          {
            "average": 0,
            "count": 34088496,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 34088496,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2564306445,
            "count": 34088496,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4366623119,
            "variance": 0.1906739747
          },
          {
            "average": 0,
            "count": 34088496,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          689299.9906,
          2034499.98,
          -150.9747251,
          690300.0106,
          2035500,
          502.8852749
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                689299.9906208194,
                2034499.979527588,
                -150.97472510631331
              ],
              [
                689299.9906208194,
                2035499.999527588,
                -150.97472510631331
              ],
              [
                690300.0106208194,
                2035499.999527588,
                502.8852748936867
              ],
              [
                690300.0106208194,
                2034499.979527588,
                502.8852748936867
              ],
              [
                689299.9906208194,
                2034499.979527588,
                -150.97472510631331
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:49:35+00:00",
        "end_time": "2019-01-26T12:16:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_689300e_2035500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_689300e_2035500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_689300e_2035500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2035500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.20806658,
            18.39200086,
            -150.9747251,
            -67.1985098,
            18.40112428,
            502.8852749
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.208066582268,
                  18.392090274413217,
                  -150.97472510631331
                ],
                [
                  -67.20797314579137,
                  18.401124277471094,
                  -150.97472510631331
                ],
                [
                  -67.19850979726766,
                  18.401034819348894,
                  502.8852748936867
                ],
                [
                  -67.19860372651556,
                  18.392000863266706,
                  502.8852748936867
                ],
                [
                  -67.208066582268,
                  18.392090274413217,
                  -150.97472510631331
                ]
              ]
            ]
          },
          "id": "20190126_689300e_2035500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2035500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:49:35Z",
            "pc:count": 34088496,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 689914.9135,
                "count": 34088496,
                "maximum": 690300.0106,
                "minimum": 689299.9906,
                "name": "X",
                "position": 0,
                "stddev": 256.9503394,
                "variance": 66023.4769
              },
              {
                "average": 2034883.62,
                "count": 34088496,
                "maximum": 2035500,
                "minimum": 2034499.98,
                "name": "Y",
                "position": 1,
                "stddev": 275.2136107,
                "variance": 75742.53153
              },
              {
                "average": -0.9155298144,
                "count": 34088496,
                "maximum": 502.8852749,
                "minimum": -150.9747251,
                "name": "Z",
                "position": 2,
                "stddev": 8.442842129,
                "variance": 71.28158322
              },
              {
                "average": 424.3150823,
                "count": 34088496,
                "maximum": 3916,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 421.2098147,
                "variance": 177417.708
              },
              {
                "average": 2.25647676,
                "count": 34088496,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.543154686,
                "variance": 2.381326384
              },
              {
                "average": 3.513383137,
                "count": 34088496,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.075592775,
                "variance": 4.308085366
              },
              {
                "average": 0.5070609158,
                "count": 34088496,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4999501483,
                "variance": 0.2499501508
              },
              {
                "average": 0.001419071114,
                "count": 34088496,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03764382277,
                "variance": 0.001417057393
              },
              {
                "average": 29.35814816,
                "count": 34088496,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.83116102,
                "variance": 433.9372694
              },
              {
                "average": 0.07809135866,
                "count": 34088496,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.63269994,
                "variance": 185.8505077
              },
              {
                "average": 0.7736577173,
                "count": 34088496,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8416041633,
                "variance": 0.7082975676
              },
              {
                "average": 110.3620359,
                "count": 34088496,
                "maximum": 126,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 11.75809154,
                "variance": 138.2527166
              },
              {
                "average": 232756831.2,
                "count": 34088496,
                "maximum": 233074975.6,
                "minimum": 232540169.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 262177.3439,
                "variance": 68736959660.0
              },
              {
                "average": 0.7736539623,
                "count": 34088496,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8416053842,
                "variance": 0.7082996227
              },
              {
                "average": 0,
                "count": 34088496,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 34088496,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2564306445,
                "count": 34088496,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4366623119,
                "variance": 0.1906739747
              },
              {
                "average": 0,
                "count": 34088496,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              689299.9906,
              2034499.98,
              -150.9747251,
              690300.0106,
              2035500,
              502.8852749
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    689299.9906208194,
                    2034499.979527588,
                    -150.97472510631331
                  ],
                  [
                    689299.9906208194,
                    2035499.999527588,
                    -150.97472510631331
                  ],
                  [
                    690300.0106208194,
                    2035499.999527588,
                    502.8852748936867
                  ],
                  [
                    690300.0106208194,
                    2034499.979527588,
                    502.8852748936867
                  ],
                  [
                    689299.9906208194,
                    2034499.979527588,
                    -150.97472510631331
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:49:35+00:00",
            "end_time": "2019-01-26T12:16:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_712300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.98928375636524,
              18.489273858903317,
              -137.07516169687776
            ],
            [
              -66.98917832248512,
              18.49830661820881,
              -137.07516169687776
            ],
            [
              -66.9797108598626,
              18.49820576025766,
              547.4248383031222
            ],
            [
              -66.97981678933122,
              18.489173053666875,
              547.4248383031222
            ],
            [
              -66.98928375636524,
              18.489273858903317,
              -137.07516169687776
            ]
          ]
        ]
      },
      "bbox": [
        -66.98928376,
        18.48917305,
        -137.0751617,
        -66.97971086,
        18.49830662,
        547.4248383
      ],
      "properties": {
        "datetime": "2019-01-21T20:05:34Z",
        "pc:count": 27319171,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 712803.6519,
            "count": 27319171,
            "maximum": 713300.0104,
            "minimum": 712299.9904,
            "name": "X",
            "position": 0,
            "stddev": 283.6096452,
            "variance": 80434.43087
          },
          {
            "average": 2045947.295,
            "count": 27319171,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 282.5284607,
            "variance": 79822.33112
          },
          {
            "average": 28.7775939,
            "count": 27319171,
            "maximum": 547.4248383,
            "minimum": -137.0751617,
            "name": "Z",
            "position": 2,
            "stddev": 28.89591635,
            "variance": 834.9739819
          },
          {
            "average": 1271.885237,
            "count": 27319171,
            "maximum": 4678,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 577.9274273,
            "variance": 334000.1112
          },
          {
            "average": 1.873361128,
            "count": 27319171,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.263650064,
            "variance": 1.596811485
          },
          {
            "average": 2.747880637,
            "count": 27319171,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.776771008,
            "variance": 3.156915217
          },
          {
            "average": 0.3774161376,
            "count": 27319171,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4847403483,
            "variance": 0.2349732053
          },
          {
            "average": 0.001308495049,
            "count": 27319171,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0361494528,
            "variance": 0.001306782938
          },
          {
            "average": 8.679869678,
            "count": 27319171,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 16.16658091,
            "variance": 261.3583384
          },
          {
            "average": 1.535915932,
            "count": 27319171,
            "maximum": 25.04999924,
            "minimum": -22.44599915,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.80755528,
            "variance": 190.6485829
          },
          {
            "average": 0.9377472691,
            "count": 27319171,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.085835915,
            "variance": 1.179039635
          },
          {
            "average": 89.0203892,
            "count": 27319171,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.153300231,
            "variance": 1.330101423
          },
          {
            "average": 232135124.7,
            "count": 27319171,
            "maximum": 232136334.6,
            "minimum": 232133303.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 630.1478093,
            "variance": 397086.2615
          },
          {
            "average": 0.9377472691,
            "count": 27319171,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.085835915,
            "variance": 1.179039635
          },
          {
            "average": 0,
            "count": 27319171,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 27319171,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2413855091,
            "count": 27319171,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.427923535,
            "variance": 0.1831185518
          },
          {
            "average": 0,
            "count": 27319171,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          712299.9904,
          2045499.979,
          -137.0751617,
          713300.0104,
          2046499.999,
          547.4248383
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                712299.9903950829,
                2045499.979485556,
                -137.07516169687776
              ],
              [
                712299.9903950829,
                2046499.999485556,
                -137.07516169687776
              ],
              [
                713300.0103950829,
                2046499.999485556,
                547.4248383031222
              ],
              [
                713300.0103950829,
                2045499.979485556,
                547.4248383031222
              ],
              [
                712299.9903950829,
                2045499.979485556,
                -137.07516169687776
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:05:34+00:00",
        "end_time": "2019-01-21T19:15:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_712300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_712300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_712300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_712300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.98928376,
            18.48917305,
            -137.0751617,
            -66.97971086,
            18.49830662,
            547.4248383
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.98928375636524,
                  18.489273858903317,
                  -137.07516169687776
                ],
                [
                  -66.98917832248512,
                  18.49830661820881,
                  -137.07516169687776
                ],
                [
                  -66.9797108598626,
                  18.49820576025766,
                  547.4248383031222
                ],
                [
                  -66.97981678933122,
                  18.489173053666875,
                  547.4248383031222
                ],
                [
                  -66.98928375636524,
                  18.489273858903317,
                  -137.07516169687776
                ]
              ]
            ]
          },
          "id": "20190121_712300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_712300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:05:34Z",
            "pc:count": 27319171,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 712803.6519,
                "count": 27319171,
                "maximum": 713300.0104,
                "minimum": 712299.9904,
                "name": "X",
                "position": 0,
                "stddev": 283.6096452,
                "variance": 80434.43087
              },
              {
                "average": 2045947.295,
                "count": 27319171,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 282.5284607,
                "variance": 79822.33112
              },
              {
                "average": 28.7775939,
                "count": 27319171,
                "maximum": 547.4248383,
                "minimum": -137.0751617,
                "name": "Z",
                "position": 2,
                "stddev": 28.89591635,
                "variance": 834.9739819
              },
              {
                "average": 1271.885237,
                "count": 27319171,
                "maximum": 4678,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 577.9274273,
                "variance": 334000.1112
              },
              {
                "average": 1.873361128,
                "count": 27319171,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.263650064,
                "variance": 1.596811485
              },
              {
                "average": 2.747880637,
                "count": 27319171,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.776771008,
                "variance": 3.156915217
              },
              {
                "average": 0.3774161376,
                "count": 27319171,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4847403483,
                "variance": 0.2349732053
              },
              {
                "average": 0.001308495049,
                "count": 27319171,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0361494528,
                "variance": 0.001306782938
              },
              {
                "average": 8.679869678,
                "count": 27319171,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 16.16658091,
                "variance": 261.3583384
              },
              {
                "average": 1.535915932,
                "count": 27319171,
                "maximum": 25.04999924,
                "minimum": -22.44599915,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.80755528,
                "variance": 190.6485829
              },
              {
                "average": 0.9377472691,
                "count": 27319171,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.085835915,
                "variance": 1.179039635
              },
              {
                "average": 89.0203892,
                "count": 27319171,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.153300231,
                "variance": 1.330101423
              },
              {
                "average": 232135124.7,
                "count": 27319171,
                "maximum": 232136334.6,
                "minimum": 232133303.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 630.1478093,
                "variance": 397086.2615
              },
              {
                "average": 0.9377472691,
                "count": 27319171,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.085835915,
                "variance": 1.179039635
              },
              {
                "average": 0,
                "count": 27319171,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 27319171,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2413855091,
                "count": 27319171,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.427923535,
                "variance": 0.1831185518
              },
              {
                "average": 0,
                "count": 27319171,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              712299.9904,
              2045499.979,
              -137.0751617,
              713300.0104,
              2046499.999,
              547.4248383
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    712299.9903950829,
                    2045499.979485556,
                    -137.07516169687776
                  ],
                  [
                    712299.9903950829,
                    2046499.999485556,
                    -137.07516169687776
                  ],
                  [
                    713300.0103950829,
                    2046499.999485556,
                    547.4248383031222
                  ],
                  [
                    713300.0103950829,
                    2045499.979485556,
                    547.4248383031222
                  ],
                  [
                    712299.9903950829,
                    2045499.979485556,
                    -137.07516169687776
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:05:34+00:00",
            "end_time": "2019-01-21T19:15:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_723300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.88515260594366,
              18.4881390229087,
              -121.53499594055245
            ],
            [
              -66.88504172152248,
              18.497171188771606,
              -121.53499594055245
            ],
            [
              -66.87557494602498,
              18.497065128430087,
              551.4650040594476
            ],
            [
              -66.87568632586847,
              18.488033018000266,
              551.4650040594476
            ],
            [
              -66.88515260594366,
              18.4881390229087,
              -121.53499594055245
            ]
          ]
        ]
      },
      "bbox": [
        -66.88515261,
        18.48803302,
        -121.5349959,
        -66.87557495,
        18.49717119,
        551.4650041
      ],
      "properties": {
        "datetime": "2019-01-21T20:02:56Z",
        "pc:count": 15071033,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 723803.4835,
            "count": 15071033,
            "maximum": 724300.0103,
            "minimum": 723299.9903,
            "name": "X",
            "position": 0,
            "stddev": 289.5343575,
            "variance": 83830.14416
          },
          {
            "average": 2045846.472,
            "count": 15071033,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 253.3963689,
            "variance": 64209.71976
          },
          {
            "average": -0.3009211582,
            "count": 15071033,
            "maximum": 551.4650041,
            "minimum": -121.5349959,
            "name": "Z",
            "position": 2,
            "stddev": 9.932481324,
            "variance": 98.65418525
          },
          {
            "average": 746.5976661,
            "count": 15071033,
            "maximum": 3148,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 595.9605046,
            "variance": 355168.9231
          },
          {
            "average": 1.492524965,
            "count": 15071033,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8023510481,
            "variance": 0.6437672044
          },
          {
            "average": 1.985264116,
            "count": 15071033,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.093834432,
            "variance": 1.196473764
          },
          {
            "average": 0.4543844473,
            "count": 15071033,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4979148901,
            "variance": 0.2479192378
          },
          {
            "average": 0.002435864881,
            "count": 15071033,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04929433643,
            "variance": 0.002429931604
          },
          {
            "average": 21.26485928,
            "count": 15071033,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.39593544,
            "variance": 457.7860535
          },
          {
            "average": -0.2935090976,
            "count": 15071033,
            "maximum": 24.20400047,
            "minimum": -22.22999954,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.47849554,
            "variance": 181.6698421
          },
          {
            "average": 0.8500662828,
            "count": 15071033,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9585495968,
            "variance": 0.9188173296
          },
          {
            "average": 89.25622491,
            "count": 15071033,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.155988921,
            "variance": 1.336310385
          },
          {
            "average": 232135257.1,
            "count": 15071033,
            "maximum": 232136176.9,
            "minimum": 232133463.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 617.7170379,
            "variance": 381574.3389
          },
          {
            "average": 0.8500662828,
            "count": 15071033,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9585495968,
            "variance": 0.9188173296
          },
          {
            "average": 0,
            "count": 15071033,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15071033,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2292610599,
            "count": 15071033,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4203575122,
            "variance": 0.1767004381
          },
          {
            "average": 0,
            "count": 15071033,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          723299.9903,
          2045499.979,
          -121.5349959,
          724300.0103,
          2046499.999,
          551.4650041
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                723299.9902988928,
                2045499.979341327,
                -121.53499594055245
              ],
              [
                723299.9902988928,
                2046499.999341327,
                -121.53499594055245
              ],
              [
                724300.0102988929,
                2046499.999341327,
                551.4650040594476
              ],
              [
                724300.0102988929,
                2045499.979341327,
                551.4650040594476
              ],
              [
                723299.9902988928,
                2045499.979341327,
                -121.53499594055245
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:02:56+00:00",
        "end_time": "2019-01-21T19:17:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_723300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_723300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_723300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_723300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.88515261,
            18.48803302,
            -121.5349959,
            -66.87557495,
            18.49717119,
            551.4650041
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.88515260594366,
                  18.4881390229087,
                  -121.53499594055245
                ],
                [
                  -66.88504172152248,
                  18.497171188771606,
                  -121.53499594055245
                ],
                [
                  -66.87557494602498,
                  18.497065128430087,
                  551.4650040594476
                ],
                [
                  -66.87568632586847,
                  18.488033018000266,
                  551.4650040594476
                ],
                [
                  -66.88515260594366,
                  18.4881390229087,
                  -121.53499594055245
                ]
              ]
            ]
          },
          "id": "20190121_723300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_723300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:02:56Z",
            "pc:count": 15071033,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 723803.4835,
                "count": 15071033,
                "maximum": 724300.0103,
                "minimum": 723299.9903,
                "name": "X",
                "position": 0,
                "stddev": 289.5343575,
                "variance": 83830.14416
              },
              {
                "average": 2045846.472,
                "count": 15071033,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 253.3963689,
                "variance": 64209.71976
              },
              {
                "average": -0.3009211582,
                "count": 15071033,
                "maximum": 551.4650041,
                "minimum": -121.5349959,
                "name": "Z",
                "position": 2,
                "stddev": 9.932481324,
                "variance": 98.65418525
              },
              {
                "average": 746.5976661,
                "count": 15071033,
                "maximum": 3148,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 595.9605046,
                "variance": 355168.9231
              },
              {
                "average": 1.492524965,
                "count": 15071033,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8023510481,
                "variance": 0.6437672044
              },
              {
                "average": 1.985264116,
                "count": 15071033,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.093834432,
                "variance": 1.196473764
              },
              {
                "average": 0.4543844473,
                "count": 15071033,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4979148901,
                "variance": 0.2479192378
              },
              {
                "average": 0.002435864881,
                "count": 15071033,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04929433643,
                "variance": 0.002429931604
              },
              {
                "average": 21.26485928,
                "count": 15071033,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.39593544,
                "variance": 457.7860535
              },
              {
                "average": -0.2935090976,
                "count": 15071033,
                "maximum": 24.20400047,
                "minimum": -22.22999954,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.47849554,
                "variance": 181.6698421
              },
              {
                "average": 0.8500662828,
                "count": 15071033,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9585495968,
                "variance": 0.9188173296
              },
              {
                "average": 89.25622491,
                "count": 15071033,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.155988921,
                "variance": 1.336310385
              },
              {
                "average": 232135257.1,
                "count": 15071033,
                "maximum": 232136176.9,
                "minimum": 232133463.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 617.7170379,
                "variance": 381574.3389
              },
              {
                "average": 0.8500662828,
                "count": 15071033,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9585495968,
                "variance": 0.9188173296
              },
              {
                "average": 0,
                "count": 15071033,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15071033,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2292610599,
                "count": 15071033,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4203575122,
                "variance": 0.1767004381
              },
              {
                "average": 0,
                "count": 15071033,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              723299.9903,
              2045499.979,
              -121.5349959,
              724300.0103,
              2046499.999,
              551.4650041
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    723299.9902988928,
                    2045499.979341327,
                    -121.53499594055245
                  ],
                  [
                    723299.9902988928,
                    2046499.999341327,
                    -121.53499594055245
                  ],
                  [
                    724300.0102988929,
                    2046499.999341327,
                    551.4650040594476
                  ],
                  [
                    724300.0102988929,
                    2045499.979341327,
                    551.4650040594476
                  ],
                  [
                    723299.9902988928,
                    2045499.979341327,
                    -121.53499594055245
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:02:56+00:00",
            "end_time": "2019-01-21T19:17:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2040500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17920363593079,
              18.43698894679028,
              -106.08581848493233
            ],
            [
              -67.17910844659336,
              18.446022762909664,
              -106.08581848493233
            ],
            [
              -67.16964279402102,
              18.445931654428993,
              543.4941815150677
            ],
            [
              -67.16973847751534,
              18.436897886050478,
              543.4941815150677
            ],
            [
              -67.17920363593079,
              18.43698894679028,
              -106.08581848493233
            ]
          ]
        ]
      },
      "bbox": [
        -67.17920364,
        18.43689789,
        -106.0858185,
        -67.16964279,
        18.44602276,
        543.4941815
      ],
      "properties": {
        "datetime": "2019-01-27T14:23:15Z",
        "pc:count": 12061767,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692780.3608,
            "count": 12061767,
            "maximum": 693300.0103,
            "minimum": 692299.9903,
            "name": "X",
            "position": 0,
            "stddev": 274.9366978,
            "variance": 75590.18778
          },
          {
            "average": 2039766.299,
            "count": 12061767,
            "maximum": 2040499.999,
            "minimum": 2039499.979,
            "name": "Y",
            "position": 1,
            "stddev": 242.3556363,
            "variance": 58736.25445
          },
          {
            "average": -0.2870389968,
            "count": 12061767,
            "maximum": 543.4941815,
            "minimum": -106.0858185,
            "name": "Z",
            "position": 2,
            "stddev": 9.824632957,
            "variance": 96.52341274
          },
          {
            "average": 295.2074704,
            "count": 12061767,
            "maximum": 4564,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 437.5929176,
            "variance": 191487.5615
          },
          {
            "average": 1.924585428,
            "count": 12061767,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.192434288,
            "variance": 1.421899531
          },
          {
            "average": 2.849425296,
            "count": 12061767,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.576774975,
            "variance": 2.486219321
          },
          {
            "average": 0.5426596286,
            "count": 12061767,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4981768528,
            "variance": 0.2481801767
          },
          {
            "average": 0.003057678033,
            "count": 12061767,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0552116735,
            "variance": 0.003048328891
          },
          {
            "average": 30.13138498,
            "count": 12061767,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.60843598,
            "variance": 424.7076334
          },
          {
            "average": 0.6603901172,
            "count": 12061767,
            "maximum": 20.60400009,
            "minimum": -21.57600021,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.59947992,
            "variance": 184.9458541
          },
          {
            "average": 0.8737815114,
            "count": 12061767,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.878937547,
            "variance": 0.7725312115
          },
          {
            "average": 106.0236425,
            "count": 12061767,
            "maximum": 109,
            "minimum": 103,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.135565792,
            "variance": 1.289509668
          },
          {
            "average": 232542727.1,
            "count": 12061767,
            "maximum": 232634195.8,
            "minimum": 232541384.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 539.2512632,
            "variance": 290791.9249
          },
          {
            "average": 0.8737815114,
            "count": 12061767,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.878937547,
            "variance": 0.7725312115
          },
          {
            "average": 0,
            "count": 12061767,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12061767,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.255361673,
            "count": 12061767,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4360643355,
            "variance": 0.1901521047
          },
          {
            "average": 0,
            "count": 12061767,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692299.9903,
          2039499.979,
          -106.0858185,
          693300.0103,
          2040499.999,
          543.4941815
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692299.990290886,
                2039499.9793371782,
                -106.08581848493233
              ],
              [
                692299.990290886,
                2040499.9993371782,
                -106.08581848493233
              ],
              [
                693300.010290886,
                2040499.9993371782,
                543.4941815150677
              ],
              [
                693300.010290886,
                2039499.9793371782,
                543.4941815150677
              ],
              [
                692299.990290886,
                2039499.9793371782,
                -106.08581848493233
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:23:15+00:00",
        "end_time": "2019-01-26T12:36:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2040500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2040500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2040500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2040500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17920364,
            18.43689789,
            -106.0858185,
            -67.16964279,
            18.44602276,
            543.4941815
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17920363593079,
                  18.43698894679028,
                  -106.08581848493233
                ],
                [
                  -67.17910844659336,
                  18.446022762909664,
                  -106.08581848493233
                ],
                [
                  -67.16964279402102,
                  18.445931654428993,
                  543.4941815150677
                ],
                [
                  -67.16973847751534,
                  18.436897886050478,
                  543.4941815150677
                ],
                [
                  -67.17920363593079,
                  18.43698894679028,
                  -106.08581848493233
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2040500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2040500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:23:15Z",
            "pc:count": 12061767,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692780.3608,
                "count": 12061767,
                "maximum": 693300.0103,
                "minimum": 692299.9903,
                "name": "X",
                "position": 0,
                "stddev": 274.9366978,
                "variance": 75590.18778
              },
              {
                "average": 2039766.299,
                "count": 12061767,
                "maximum": 2040499.999,
                "minimum": 2039499.979,
                "name": "Y",
                "position": 1,
                "stddev": 242.3556363,
                "variance": 58736.25445
              },
              {
                "average": -0.2870389968,
                "count": 12061767,
                "maximum": 543.4941815,
                "minimum": -106.0858185,
                "name": "Z",
                "position": 2,
                "stddev": 9.824632957,
                "variance": 96.52341274
              },
              {
                "average": 295.2074704,
                "count": 12061767,
                "maximum": 4564,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 437.5929176,
                "variance": 191487.5615
              },
              {
                "average": 1.924585428,
                "count": 12061767,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.192434288,
                "variance": 1.421899531
              },
              {
                "average": 2.849425296,
                "count": 12061767,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.576774975,
                "variance": 2.486219321
              },
              {
                "average": 0.5426596286,
                "count": 12061767,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4981768528,
                "variance": 0.2481801767
              },
              {
                "average": 0.003057678033,
                "count": 12061767,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0552116735,
                "variance": 0.003048328891
              },
              {
                "average": 30.13138498,
                "count": 12061767,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.60843598,
                "variance": 424.7076334
              },
              {
                "average": 0.6603901172,
                "count": 12061767,
                "maximum": 20.60400009,
                "minimum": -21.57600021,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.59947992,
                "variance": 184.9458541
              },
              {
                "average": 0.8737815114,
                "count": 12061767,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.878937547,
                "variance": 0.7725312115
              },
              {
                "average": 106.0236425,
                "count": 12061767,
                "maximum": 109,
                "minimum": 103,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.135565792,
                "variance": 1.289509668
              },
              {
                "average": 232542727.1,
                "count": 12061767,
                "maximum": 232634195.8,
                "minimum": 232541384.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 539.2512632,
                "variance": 290791.9249
              },
              {
                "average": 0.8737815114,
                "count": 12061767,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.878937547,
                "variance": 0.7725312115
              },
              {
                "average": 0,
                "count": 12061767,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12061767,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.255361673,
                "count": 12061767,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4360643355,
                "variance": 0.1901521047
              },
              {
                "average": 0,
                "count": 12061767,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692299.9903,
              2039499.979,
              -106.0858185,
              693300.0103,
              2040499.999,
              543.4941815
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692299.990290886,
                    2039499.9793371782,
                    -106.08581848493233
                  ],
                  [
                    692299.990290886,
                    2040499.9993371782,
                    -106.08581848493233
                  ],
                  [
                    693300.010290886,
                    2040499.9993371782,
                    543.4941815150677
                  ],
                  [
                    693300.010290886,
                    2039499.9793371782,
                    543.4941815150677
                  ],
                  [
                    692299.990290886,
                    2039499.9793371782,
                    -106.08581848493233
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:23:15+00:00",
            "end_time": "2019-01-26T12:36:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_721300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.90408497528107,
              18.48834961226981,
              -120.36272957033799
            ],
            [
              -66.9039750817308,
              18.497381888255394,
              -120.36272957033799
            ],
            [
              -66.89450817873315,
              18.49727677368025,
              547.7772704296619
            ],
            [
              -66.89461856773656,
              18.488244552633574,
              547.7772704296619
            ],
            [
              -66.90408497528107,
              18.48834961226981,
              -120.36272957033799
            ]
          ]
        ]
      },
      "bbox": [
        -66.90408498,
        18.48824455,
        -120.3627296,
        -66.89450818,
        18.49738189,
        547.7772704
      ],
      "properties": {
        "datetime": "2019-01-21T20:03:26Z",
        "pc:count": 6582634,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 721804.7304,
            "count": 6582634,
            "maximum": 722300.0107,
            "minimum": 721299.9907,
            "name": "X",
            "position": 0,
            "stddev": 289.1178123,
            "variance": 83589.10936
          },
          {
            "average": 2045972.74,
            "count": 6582634,
            "maximum": 2046500,
            "minimum": 2045499.98,
            "name": "Y",
            "position": 1,
            "stddev": 285.3054227,
            "variance": 81399.18422
          },
          {
            "average": 0.09419439202,
            "count": 6582634,
            "maximum": 547.7772704,
            "minimum": -120.3627296,
            "name": "Z",
            "position": 2,
            "stddev": 12.22284466,
            "variance": 149.3979317
          },
          {
            "average": 760.7737176,
            "count": 6582634,
            "maximum": 2918,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 525.3786723,
            "variance": 276022.7493
          },
          {
            "average": 1.031177793,
            "count": 6582634,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1848203678,
            "variance": 0.03415856834
          },
          {
            "average": 1.062597738,
            "count": 6582634,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2657461126,
            "variance": 0.07062099637
          },
          {
            "average": 0.4290606162,
            "count": 6582634,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4949420583,
            "variance": 0.244967641
          },
          {
            "average": 0.005053448209,
            "count": 6582634,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0709077685,
            "variance": 0.005027911634
          },
          {
            "average": 19.67011488,
            "count": 6582634,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.61177813,
            "variance": 467.0689539
          },
          {
            "average": -0.7032373797,
            "count": 6582634,
            "maximum": 23.15399933,
            "minimum": -23.05200005,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.0169977,
            "variance": 144.4082337
          },
          {
            "average": 1.012325765,
            "count": 6582634,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.074268488,
            "variance": 1.154052784
          },
          {
            "average": 88.78961233,
            "count": 6582634,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.180530159,
            "variance": 1.393651457
          },
          {
            "average": 232135007.9,
            "count": 6582634,
            "maximum": 232136206.3,
            "minimum": 232133449.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 630.6026604,
            "variance": 397659.7153
          },
          {
            "average": 1.012325765,
            "count": 6582634,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.074268488,
            "variance": 1.154052784
          },
          {
            "average": 0,
            "count": 6582634,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6582634,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1529033818,
            "count": 6582634,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3598943697,
            "variance": 0.1295239573
          },
          {
            "average": 0,
            "count": 6582634,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          721299.9907,
          2045499.98,
          -120.3627296,
          722300.0107,
          2046500,
          547.7772704
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                721299.9906678395,
                2045499.9795301862,
                -120.36272957033799
              ],
              [
                721299.9906678395,
                2046499.9995301862,
                -120.36272957033799
              ],
              [
                722300.0106678396,
                2046499.9995301862,
                547.7772704296619
              ],
              [
                722300.0106678396,
                2045499.9795301862,
                547.7772704296619
              ],
              [
                721299.9906678395,
                2045499.9795301862,
                -120.36272957033799
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:03:26+00:00",
        "end_time": "2019-01-21T19:17:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_721300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_721300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_721300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.90408498,
            18.48824455,
            -120.3627296,
            -66.89450818,
            18.49738189,
            547.7772704
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.90408497528107,
                  18.48834961226981,
                  -120.36272957033799
                ],
                [
                  -66.9039750817308,
                  18.497381888255394,
                  -120.36272957033799
                ],
                [
                  -66.89450817873315,
                  18.49727677368025,
                  547.7772704296619
                ],
                [
                  -66.89461856773656,
                  18.488244552633574,
                  547.7772704296619
                ],
                [
                  -66.90408497528107,
                  18.48834961226981,
                  -120.36272957033799
                ]
              ]
            ]
          },
          "id": "20190121_721300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:03:26Z",
            "pc:count": 6582634,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 721804.7304,
                "count": 6582634,
                "maximum": 722300.0107,
                "minimum": 721299.9907,
                "name": "X",
                "position": 0,
                "stddev": 289.1178123,
                "variance": 83589.10936
              },
              {
                "average": 2045972.74,
                "count": 6582634,
                "maximum": 2046500,
                "minimum": 2045499.98,
                "name": "Y",
                "position": 1,
                "stddev": 285.3054227,
                "variance": 81399.18422
              },
              {
                "average": 0.09419439202,
                "count": 6582634,
                "maximum": 547.7772704,
                "minimum": -120.3627296,
                "name": "Z",
                "position": 2,
                "stddev": 12.22284466,
                "variance": 149.3979317
              },
              {
                "average": 760.7737176,
                "count": 6582634,
                "maximum": 2918,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 525.3786723,
                "variance": 276022.7493
              },
              {
                "average": 1.031177793,
                "count": 6582634,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1848203678,
                "variance": 0.03415856834
              },
              {
                "average": 1.062597738,
                "count": 6582634,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2657461126,
                "variance": 0.07062099637
              },
              {
                "average": 0.4290606162,
                "count": 6582634,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4949420583,
                "variance": 0.244967641
              },
              {
                "average": 0.005053448209,
                "count": 6582634,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0709077685,
                "variance": 0.005027911634
              },
              {
                "average": 19.67011488,
                "count": 6582634,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.61177813,
                "variance": 467.0689539
              },
              {
                "average": -0.7032373797,
                "count": 6582634,
                "maximum": 23.15399933,
                "minimum": -23.05200005,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.0169977,
                "variance": 144.4082337
              },
              {
                "average": 1.012325765,
                "count": 6582634,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.074268488,
                "variance": 1.154052784
              },
              {
                "average": 88.78961233,
                "count": 6582634,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.180530159,
                "variance": 1.393651457
              },
              {
                "average": 232135007.9,
                "count": 6582634,
                "maximum": 232136206.3,
                "minimum": 232133449.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 630.6026604,
                "variance": 397659.7153
              },
              {
                "average": 1.012325765,
                "count": 6582634,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.074268488,
                "variance": 1.154052784
              },
              {
                "average": 0,
                "count": 6582634,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6582634,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1529033818,
                "count": 6582634,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3598943697,
                "variance": 0.1295239573
              },
              {
                "average": 0,
                "count": 6582634,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              721299.9907,
              2045499.98,
              -120.3627296,
              722300.0107,
              2046500,
              547.7772704
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    721299.9906678395,
                    2045499.9795301862,
                    -120.36272957033799
                  ],
                  [
                    721299.9906678395,
                    2046499.9995301862,
                    -120.36272957033799
                  ],
                  [
                    722300.0106678396,
                    2046499.9995301862,
                    547.7772704296619
                  ],
                  [
                    722300.0106678396,
                    2045499.9795301862,
                    547.7772704296619
                  ],
                  [
                    721299.9906678395,
                    2045499.9795301862,
                    -120.36272957033799
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:03:26+00:00",
            "end_time": "2019-01-21T19:17:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2038500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17939384697375,
              18.418921656292422,
              -139.82096904389223
            ],
            [
              -67.17929876752248,
              18.42795549053276,
              -139.82096904389223
            ],
            [
              -67.16983410295862,
              18.427864477527127,
              544.8190309561078
            ],
            [
              -67.16992967599654,
              18.418830691018044,
              544.8190309561078
            ],
            [
              -67.17939384697375,
              18.418921656292422,
              -139.82096904389223
            ]
          ]
        ]
      },
      "bbox": [
        -67.17939385,
        18.41883069,
        -139.820969,
        -67.1698341,
        18.42795549,
        544.819031
      ],
      "properties": {
        "datetime": "2019-01-27T14:30:21Z",
        "pc:count": 12633007,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692691.4885,
            "count": 12633007,
            "maximum": 693300.0102,
            "minimum": 692299.9902,
            "name": "X",
            "position": 0,
            "stddev": 261.8164866,
            "variance": 68547.87264
          },
          {
            "average": 2038098.913,
            "count": 12633007,
            "maximum": 2038500,
            "minimum": 2037499.98,
            "name": "Y",
            "position": 1,
            "stddev": 275.6072832,
            "variance": 75959.37458
          },
          {
            "average": -0.2406092586,
            "count": 12633007,
            "maximum": 544.819031,
            "minimum": -139.820969,
            "name": "Z",
            "position": 2,
            "stddev": 8.847589934,
            "variance": 78.27984763
          },
          {
            "average": 275.076556,
            "count": 12633007,
            "maximum": 3522,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 438.4406469,
            "variance": 192230.2009
          },
          {
            "average": 1.625078257,
            "count": 12633007,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9099691851,
            "variance": 0.8280439178
          },
          {
            "average": 2.250427313,
            "count": 12633007,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.211725048,
            "variance": 1.468277592
          },
          {
            "average": 0.5704536537,
            "count": 12633007,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4950114161,
            "variance": 0.2450363021
          },
          {
            "average": 0.002876353983,
            "count": 12633007,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05355446571,
            "variance": 0.002868080798
          },
          {
            "average": 30.51437753,
            "count": 12633007,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.46785664,
            "variance": 418.9331553
          },
          {
            "average": 2.235880125,
            "count": 12633007,
            "maximum": 20.62800026,
            "minimum": -21.75,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.29020489,
            "variance": 176.629546
          },
          {
            "average": 0.8796517725,
            "count": 12633007,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8510351501,
            "variance": 0.7242608267
          },
          {
            "average": 107.2480254,
            "count": 12633007,
            "maximum": 110,
            "minimum": 105,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.095127464,
            "variance": 1.199304162
          },
          {
            "average": 232554889.5,
            "count": 12633007,
            "maximum": 232634621.4,
            "minimum": 232542176.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 30529.11681,
            "variance": 932026973.5
          },
          {
            "average": 0.8796517725,
            "count": 12633007,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8510351501,
            "variance": 0.7242608267
          },
          {
            "average": 0,
            "count": 12633007,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12633007,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2525891896,
            "count": 12633007,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4344973024,
            "variance": 0.1887879058
          },
          {
            "average": 0,
            "count": 12633007,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692299.9902,
          2037499.98,
          -139.820969,
          693300.0102,
          2038500,
          544.819031
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692299.9901758309,
                2037499.9801749422,
                -139.82096904389223
              ],
              [
                692299.9901758309,
                2038500.0001749422,
                -139.82096904389223
              ],
              [
                693300.0101758309,
                2038500.0001749422,
                544.8190309561078
              ],
              [
                693300.0101758309,
                2037499.9801749422,
                544.8190309561078
              ],
              [
                692299.9901758309,
                2037499.9801749422,
                -139.82096904389223
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:30:21+00:00",
        "end_time": "2019-01-26T12:49:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2038500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2038500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2038500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2038500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17939385,
            18.41883069,
            -139.820969,
            -67.1698341,
            18.42795549,
            544.819031
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17939384697375,
                  18.418921656292422,
                  -139.82096904389223
                ],
                [
                  -67.17929876752248,
                  18.42795549053276,
                  -139.82096904389223
                ],
                [
                  -67.16983410295862,
                  18.427864477527127,
                  544.8190309561078
                ],
                [
                  -67.16992967599654,
                  18.418830691018044,
                  544.8190309561078
                ],
                [
                  -67.17939384697375,
                  18.418921656292422,
                  -139.82096904389223
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2038500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2038500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:30:21Z",
            "pc:count": 12633007,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692691.4885,
                "count": 12633007,
                "maximum": 693300.0102,
                "minimum": 692299.9902,
                "name": "X",
                "position": 0,
                "stddev": 261.8164866,
                "variance": 68547.87264
              },
              {
                "average": 2038098.913,
                "count": 12633007,
                "maximum": 2038500,
                "minimum": 2037499.98,
                "name": "Y",
                "position": 1,
                "stddev": 275.6072832,
                "variance": 75959.37458
              },
              {
                "average": -0.2406092586,
                "count": 12633007,
                "maximum": 544.819031,
                "minimum": -139.820969,
                "name": "Z",
                "position": 2,
                "stddev": 8.847589934,
                "variance": 78.27984763
              },
              {
                "average": 275.076556,
                "count": 12633007,
                "maximum": 3522,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 438.4406469,
                "variance": 192230.2009
              },
              {
                "average": 1.625078257,
                "count": 12633007,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9099691851,
                "variance": 0.8280439178
              },
              {
                "average": 2.250427313,
                "count": 12633007,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.211725048,
                "variance": 1.468277592
              },
              {
                "average": 0.5704536537,
                "count": 12633007,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4950114161,
                "variance": 0.2450363021
              },
              {
                "average": 0.002876353983,
                "count": 12633007,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05355446571,
                "variance": 0.002868080798
              },
              {
                "average": 30.51437753,
                "count": 12633007,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.46785664,
                "variance": 418.9331553
              },
              {
                "average": 2.235880125,
                "count": 12633007,
                "maximum": 20.62800026,
                "minimum": -21.75,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.29020489,
                "variance": 176.629546
              },
              {
                "average": 0.8796517725,
                "count": 12633007,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8510351501,
                "variance": 0.7242608267
              },
              {
                "average": 107.2480254,
                "count": 12633007,
                "maximum": 110,
                "minimum": 105,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.095127464,
                "variance": 1.199304162
              },
              {
                "average": 232554889.5,
                "count": 12633007,
                "maximum": 232634621.4,
                "minimum": 232542176.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 30529.11681,
                "variance": 932026973.5
              },
              {
                "average": 0.8796517725,
                "count": 12633007,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8510351501,
                "variance": 0.7242608267
              },
              {
                "average": 0,
                "count": 12633007,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12633007,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2525891896,
                "count": 12633007,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4344973024,
                "variance": 0.1887879058
              },
              {
                "average": 0,
                "count": 12633007,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692299.9902,
              2037499.98,
              -139.820969,
              693300.0102,
              2038500,
              544.819031
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692299.9901758309,
                    2037499.9801749422,
                    -139.82096904389223
                  ],
                  [
                    692299.9901758309,
                    2038500.0001749422,
                    -139.82096904389223
                  ],
                  [
                    693300.0101758309,
                    2038500.0001749422,
                    544.8190309561078
                  ],
                  [
                    693300.0101758309,
                    2037499.9801749422,
                    544.8190309561078
                  ],
                  [
                    692299.9901758309,
                    2037499.9801749422,
                    -139.82096904389223
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:30:21+00:00",
            "end_time": "2019-01-26T12:49:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_722300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.89461875748697,
              18.48824455481471,
              -124.0336931155415
            ],
            [
              -66.89450836849346,
              18.49727677586249,
              -124.0336931155415
            ],
            [
              -66.88504152910318,
              18.49717118839717,
              548.0463068844585
            ],
            [
              -66.88515241353444,
              18.4881390225354,
              548.0463068844585
            ],
            [
              -66.89461875748697,
              18.48824455481471,
              -124.0336931155415
            ]
          ]
        ]
      },
      "bbox": [
        -66.89461876,
        18.48813902,
        -124.0336931,
        -66.88504153,
        18.49727678,
        548.0463069
      ],
      "properties": {
        "datetime": "2019-01-21T20:03:11Z",
        "pc:count": 11025751,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 722857.8783,
            "count": 11025751,
            "maximum": 723300.0106,
            "minimum": 722299.9906,
            "name": "X",
            "position": 0,
            "stddev": 282.6008338,
            "variance": 79863.23127
          },
          {
            "average": 2045848.393,
            "count": 11025751,
            "maximum": 2046500,
            "minimum": 2045499.98,
            "name": "Y",
            "position": 1,
            "stddev": 287.5000443,
            "variance": 82656.27548
          },
          {
            "average": -2.227632563,
            "count": 11025751,
            "maximum": 548.0463069,
            "minimum": -124.0336931,
            "name": "Z",
            "position": 2,
            "stddev": 10.41370295,
            "variance": 108.445209
          },
          {
            "average": 602.0476448,
            "count": 11025751,
            "maximum": 3111,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 487.6929831,
            "variance": 237844.4457
          },
          {
            "average": 1.393795126,
            "count": 11025751,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7066389777,
            "variance": 0.4993386448
          },
          {
            "average": 1.787833228,
            "count": 11025751,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9743338767,
            "variance": 0.9493265033
          },
          {
            "average": 0.4699638147,
            "count": 11025751,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4990970348,
            "variance": 0.2490978502
          },
          {
            "average": 0.003452281845,
            "count": 11025751,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05865461539,
            "variance": 0.003440363907
          },
          {
            "average": 24.09113066,
            "count": 11025751,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.5026719,
            "variance": 462.3648987
          },
          {
            "average": 0.3184677912,
            "count": 11025751,
            "maximum": 25.67399979,
            "minimum": -22.4279995,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.91618225,
            "variance": 166.8277639
          },
          {
            "average": 0.837010649,
            "count": 11025751,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9330153107,
            "variance": 0.87051757
          },
          {
            "average": 89.26987731,
            "count": 11025751,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.256495973,
            "variance": 1.578782131
          },
          {
            "average": 232135262.9,
            "count": 11025751,
            "maximum": 232136191.6,
            "minimum": 232133450.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 672.5672632,
            "variance": 452346.7235
          },
          {
            "average": 0.837010649,
            "count": 11025751,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9330153107,
            "variance": 0.87051757
          },
          {
            "average": 0,
            "count": 11025751,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11025751,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1892740912,
            "count": 11025751,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3917262099,
            "variance": 0.1534494235
          },
          {
            "average": 0,
            "count": 11025751,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          722299.9906,
          2045499.98,
          -124.0336931,
          723300.0106,
          2046500,
          548.0463069
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                722299.9906226755,
                2045499.9795379916,
                -124.0336931155415
              ],
              [
                722299.9906226755,
                2046499.9995379916,
                -124.0336931155415
              ],
              [
                723300.0106226755,
                2046499.9995379916,
                548.0463068844585
              ],
              [
                723300.0106226755,
                2045499.9795379916,
                548.0463068844585
              ],
              [
                722299.9906226755,
                2045499.9795379916,
                -124.0336931155415
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:03:11+00:00",
        "end_time": "2019-01-21T19:17:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_722300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_722300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_722300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.89461876,
            18.48813902,
            -124.0336931,
            -66.88504153,
            18.49727678,
            548.0463069
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.89461875748697,
                  18.48824455481471,
                  -124.0336931155415
                ],
                [
                  -66.89450836849346,
                  18.49727677586249,
                  -124.0336931155415
                ],
                [
                  -66.88504152910318,
                  18.49717118839717,
                  548.0463068844585
                ],
                [
                  -66.88515241353444,
                  18.4881390225354,
                  548.0463068844585
                ],
                [
                  -66.89461875748697,
                  18.48824455481471,
                  -124.0336931155415
                ]
              ]
            ]
          },
          "id": "20190121_722300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:03:11Z",
            "pc:count": 11025751,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 722857.8783,
                "count": 11025751,
                "maximum": 723300.0106,
                "minimum": 722299.9906,
                "name": "X",
                "position": 0,
                "stddev": 282.6008338,
                "variance": 79863.23127
              },
              {
                "average": 2045848.393,
                "count": 11025751,
                "maximum": 2046500,
                "minimum": 2045499.98,
                "name": "Y",
                "position": 1,
                "stddev": 287.5000443,
                "variance": 82656.27548
              },
              {
                "average": -2.227632563,
                "count": 11025751,
                "maximum": 548.0463069,
                "minimum": -124.0336931,
                "name": "Z",
                "position": 2,
                "stddev": 10.41370295,
                "variance": 108.445209
              },
              {
                "average": 602.0476448,
                "count": 11025751,
                "maximum": 3111,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 487.6929831,
                "variance": 237844.4457
              },
              {
                "average": 1.393795126,
                "count": 11025751,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7066389777,
                "variance": 0.4993386448
              },
              {
                "average": 1.787833228,
                "count": 11025751,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9743338767,
                "variance": 0.9493265033
              },
              {
                "average": 0.4699638147,
                "count": 11025751,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4990970348,
                "variance": 0.2490978502
              },
              {
                "average": 0.003452281845,
                "count": 11025751,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05865461539,
                "variance": 0.003440363907
              },
              {
                "average": 24.09113066,
                "count": 11025751,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.5026719,
                "variance": 462.3648987
              },
              {
                "average": 0.3184677912,
                "count": 11025751,
                "maximum": 25.67399979,
                "minimum": -22.4279995,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.91618225,
                "variance": 166.8277639
              },
              {
                "average": 0.837010649,
                "count": 11025751,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9330153107,
                "variance": 0.87051757
              },
              {
                "average": 89.26987731,
                "count": 11025751,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.256495973,
                "variance": 1.578782131
              },
              {
                "average": 232135262.9,
                "count": 11025751,
                "maximum": 232136191.6,
                "minimum": 232133450.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 672.5672632,
                "variance": 452346.7235
              },
              {
                "average": 0.837010649,
                "count": 11025751,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9330153107,
                "variance": 0.87051757
              },
              {
                "average": 0,
                "count": 11025751,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11025751,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1892740912,
                "count": 11025751,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3917262099,
                "variance": 0.1534494235
              },
              {
                "average": 0,
                "count": 11025751,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              722299.9906,
              2045499.98,
              -124.0336931,
              723300.0106,
              2046500,
              548.0463069
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    722299.9906226755,
                    2045499.9795379916,
                    -124.0336931155415
                  ],
                  [
                    722299.9906226755,
                    2046499.9995379916,
                    -124.0336931155415
                  ],
                  [
                    723300.0106226755,
                    2046499.9995379916,
                    548.0463068844585
                  ],
                  [
                    723300.0106226755,
                    2045499.9795379916,
                    548.0463068844585
                  ],
                  [
                    722299.9906226755,
                    2045499.9795379916,
                    -124.0336931155415
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:03:11+00:00",
            "end_time": "2019-01-21T19:17:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_729300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.82824308012606,
              18.496527617192832,
              -111.58560620157755
            ],
            [
              -66.82820186233475,
              18.499795988020438,
              -111.58560620157755
            ],
            [
              -66.81873548620334,
              18.499687072296158,
              538.8343937984224
            ],
            [
              -66.81877688330714,
              18.496418722065705,
              538.8343937984224
            ],
            [
              -66.82824308012606,
              18.496527617192832,
              -111.58560620157755
            ]
          ]
        ]
      },
      "bbox": [
        -66.82824308,
        18.49641872,
        -111.5856062,
        -66.81873549,
        18.49979599,
        538.8343938
      ],
      "properties": {
        "datetime": "2019-01-21T19:25:43Z",
        "pc:count": 2471497,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 729816.3603,
            "count": 2471497,
            "maximum": 730300.0003,
            "minimum": 729300.0003,
            "name": "X",
            "position": 0,
            "stddev": 279.7381882,
            "variance": 78253.45395
          },
          {
            "average": 2046646.73,
            "count": 2471497,
            "maximum": 2046861.865,
            "minimum": 2046499.985,
            "name": "Y",
            "position": 1,
            "stddev": 97.81675222,
            "variance": 9568.117015
          },
          {
            "average": 0.04861959356,
            "count": 2471497,
            "maximum": 538.8343938,
            "minimum": -111.5856062,
            "name": "Z",
            "position": 2,
            "stddev": 9.021046359,
            "variance": 81.37927741
          },
          {
            "average": 617.0943695,
            "count": 2471497,
            "maximum": 2801,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 529.8971137,
            "variance": 280790.9511
          },
          {
            "average": 1.085582948,
            "count": 2471497,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3003888685,
            "variance": 0.09023347233
          },
          {
            "average": 1.171287685,
            "count": 2471497,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4217241072,
            "variance": 0.1778512226
          },
          {
            "average": 0.4571387301,
            "count": 2471497,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.498159625,
            "variance": 0.248163012
          },
          {
            "average": 0.003875384028,
            "count": 2471497,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06213185165,
            "variance": 0.003860366989
          },
          {
            "average": 22.17528931,
            "count": 2471497,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.89109005,
            "variance": 479.2198235
          },
          {
            "average": 1.15436167,
            "count": 2471497,
            "maximum": 23.0340004,
            "minimum": -21.91799927,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.78182506,
            "variance": 163.3750519
          },
          {
            "average": 0.9200193243,
            "count": 2471497,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9996726264,
            "variance": 0.99934536
          },
          {
            "average": 86.27356537,
            "count": 2471497,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4457885601,
            "variance": 0.1987274403
          },
          {
            "average": 232133665.3,
            "count": 2471497,
            "maximum": 232133943.8,
            "minimum": 232133553.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 165.03971,
            "variance": 27238.10587
          },
          {
            "average": 0.9200193243,
            "count": 2471497,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9996726264,
            "variance": 0.99934536
          },
          {
            "average": 0,
            "count": 2471497,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2471497,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1677533899,
            "count": 2471497,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3736472221,
            "variance": 0.1396122466
          },
          {
            "average": 0,
            "count": 2471497,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          729300.0003,
          2046499.985,
          -111.5856062,
          730300.0003,
          2046861.865,
          538.8343938
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                729300.0002688243,
                2046499.9850929365,
                -111.58560620157755
              ],
              [
                729300.0002688243,
                2046861.8650929364,
                -111.58560620157755
              ],
              [
                730300.0002688243,
                2046861.8650929364,
                538.8343937984224
              ],
              [
                730300.0002688243,
                2046499.9850929365,
                538.8343937984224
              ],
              [
                729300.0002688243,
                2046499.9850929365,
                -111.58560620157755
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:25:43+00:00",
        "end_time": "2019-01-21T19:19:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_729300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_729300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_729300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_729300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.82824308,
            18.49641872,
            -111.5856062,
            -66.81873549,
            18.49979599,
            538.8343938
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.82824308012606,
                  18.496527617192832,
                  -111.58560620157755
                ],
                [
                  -66.82820186233475,
                  18.499795988020438,
                  -111.58560620157755
                ],
                [
                  -66.81873548620334,
                  18.499687072296158,
                  538.8343937984224
                ],
                [
                  -66.81877688330714,
                  18.496418722065705,
                  538.8343937984224
                ],
                [
                  -66.82824308012606,
                  18.496527617192832,
                  -111.58560620157755
                ]
              ]
            ]
          },
          "id": "20190121_729300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_729300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:25:43Z",
            "pc:count": 2471497,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 729816.3603,
                "count": 2471497,
                "maximum": 730300.0003,
                "minimum": 729300.0003,
                "name": "X",
                "position": 0,
                "stddev": 279.7381882,
                "variance": 78253.45395
              },
              {
                "average": 2046646.73,
                "count": 2471497,
                "maximum": 2046861.865,
                "minimum": 2046499.985,
                "name": "Y",
                "position": 1,
                "stddev": 97.81675222,
                "variance": 9568.117015
              },
              {
                "average": 0.04861959356,
                "count": 2471497,
                "maximum": 538.8343938,
                "minimum": -111.5856062,
                "name": "Z",
                "position": 2,
                "stddev": 9.021046359,
                "variance": 81.37927741
              },
              {
                "average": 617.0943695,
                "count": 2471497,
                "maximum": 2801,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 529.8971137,
                "variance": 280790.9511
              },
              {
                "average": 1.085582948,
                "count": 2471497,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3003888685,
                "variance": 0.09023347233
              },
              {
                "average": 1.171287685,
                "count": 2471497,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4217241072,
                "variance": 0.1778512226
              },
              {
                "average": 0.4571387301,
                "count": 2471497,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.498159625,
                "variance": 0.248163012
              },
              {
                "average": 0.003875384028,
                "count": 2471497,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06213185165,
                "variance": 0.003860366989
              },
              {
                "average": 22.17528931,
                "count": 2471497,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.89109005,
                "variance": 479.2198235
              },
              {
                "average": 1.15436167,
                "count": 2471497,
                "maximum": 23.0340004,
                "minimum": -21.91799927,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.78182506,
                "variance": 163.3750519
              },
              {
                "average": 0.9200193243,
                "count": 2471497,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9996726264,
                "variance": 0.99934536
              },
              {
                "average": 86.27356537,
                "count": 2471497,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4457885601,
                "variance": 0.1987274403
              },
              {
                "average": 232133665.3,
                "count": 2471497,
                "maximum": 232133943.8,
                "minimum": 232133553.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 165.03971,
                "variance": 27238.10587
              },
              {
                "average": 0.9200193243,
                "count": 2471497,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9996726264,
                "variance": 0.99934536
              },
              {
                "average": 0,
                "count": 2471497,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2471497,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1677533899,
                "count": 2471497,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3736472221,
                "variance": 0.1396122466
              },
              {
                "average": 0,
                "count": 2471497,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              729300.0003,
              2046499.985,
              -111.5856062,
              730300.0003,
              2046861.865,
              538.8343938
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    729300.0002688243,
                    2046499.9850929365,
                    -111.58560620157755
                  ],
                  [
                    729300.0002688243,
                    2046861.8650929364,
                    -111.58560620157755
                  ],
                  [
                    730300.0002688243,
                    2046861.8650929364,
                    538.8343937984224
                  ],
                  [
                    730300.0002688243,
                    2046499.9850929365,
                    538.8343937984224
                  ],
                  [
                    729300.0002688243,
                    2046499.9850929365,
                    -111.58560620157755
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:25:43+00:00",
            "end_time": "2019-01-21T19:19:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_693300e_2040500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16973866571874,
              18.43689788972446,
              -131.6171518625065
            ],
            [
              -67.16964298223422,
              18.445931658103923,
              -131.6171518625065
            ],
            [
              -67.16017738490994,
              18.445840077842302,
              549.6628481374935
            ],
            [
              -67.16027356253804,
              18.436806357450884,
              549.6628481374935
            ],
            [
              -67.16973866571874,
              18.43689788972446,
              -131.6171518625065
            ]
          ]
        ]
      },
      "bbox": [
        -67.16973867,
        18.43680636,
        -131.6171519,
        -67.16017738,
        18.44593166,
        549.6628481
      ],
      "properties": {
        "datetime": "2019-01-27T14:39:21Z",
        "pc:count": 12567577,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693829.8105,
            "count": 12567577,
            "maximum": 694300.0104,
            "minimum": 693299.9904,
            "name": "X",
            "position": 0,
            "stddev": 283.8256314,
            "variance": 80556.98906
          },
          {
            "average": 2040029.767,
            "count": 12567577,
            "maximum": 2040500,
            "minimum": 2039499.98,
            "name": "Y",
            "position": 1,
            "stddev": 298.1464829,
            "variance": 88891.32525
          },
          {
            "average": -0.3186961761,
            "count": 12567577,
            "maximum": 549.6628481,
            "minimum": -131.6171519,
            "name": "Z",
            "position": 2,
            "stddev": 8.118475539,
            "variance": 65.90964507
          },
          {
            "average": 276.281375,
            "count": 12567577,
            "maximum": 3659,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 432.9639894,
            "variance": 187457.8161
          },
          {
            "average": 1.596173789,
            "count": 12567577,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9138229535,
            "variance": 0.8350723904
          },
          {
            "average": 2.192561064,
            "count": 12567577,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.246284094,
            "variance": 1.553224044
          },
          {
            "average": 0.5902439269,
            "count": 12567577,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4917886262,
            "variance": 0.2418560529
          },
          {
            "average": 0.002815896811,
            "count": 12567577,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05299026099,
            "variance": 0.00280796776
          },
          {
            "average": 30.78909904,
            "count": 12567577,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.31383741,
            "variance": 412.6519902
          },
          {
            "average": 1.874249741,
            "count": 12567577,
            "maximum": 20.70599937,
            "minimum": -21.62999916,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.42817212,
            "variance": 180.3158065
          },
          {
            "average": 0.9184506289,
            "count": 12567577,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8551681317,
            "variance": 0.7313125334
          },
          {
            "average": 109.6315015,
            "count": 12567577,
            "maximum": 112,
            "minimum": 107,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.202070944,
            "variance": 1.444974555
          },
          {
            "average": 232614490.5,
            "count": 12567577,
            "maximum": 232635161.6,
            "minimum": 232543185.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 37772.33015,
            "variance": 1426748925
          },
          {
            "average": 0.9184506289,
            "count": 12567577,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8551681317,
            "variance": 0.7313125334
          },
          {
            "average": 0,
            "count": 12567577,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12567577,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2485389984,
            "count": 12567577,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4321659167,
            "variance": 0.1867673795
          },
          {
            "average": 0,
            "count": 12567577,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693299.9904,
          2039499.98,
          -131.6171519,
          694300.0104,
          2040500,
          549.6628481
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693299.9904045432,
                2039499.9795429064,
                -131.6171518625065
              ],
              [
                693299.9904045432,
                2040499.9995429064,
                -131.6171518625065
              ],
              [
                694300.0104045433,
                2040499.9995429064,
                549.6628481374935
              ],
              [
                694300.0104045433,
                2039499.9795429064,
                549.6628481374935
              ],
              [
                693299.9904045432,
                2039499.9795429064,
                -131.6171518625065
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:39:21+00:00",
        "end_time": "2019-01-26T13:06:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_693300e_2040500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_693300e_2040500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_693300e_2040500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2040500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16973867,
            18.43680636,
            -131.6171519,
            -67.16017738,
            18.44593166,
            549.6628481
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16973866571874,
                  18.43689788972446,
                  -131.6171518625065
                ],
                [
                  -67.16964298223422,
                  18.445931658103923,
                  -131.6171518625065
                ],
                [
                  -67.16017738490994,
                  18.445840077842302,
                  549.6628481374935
                ],
                [
                  -67.16027356253804,
                  18.436806357450884,
                  549.6628481374935
                ],
                [
                  -67.16973866571874,
                  18.43689788972446,
                  -131.6171518625065
                ]
              ]
            ]
          },
          "id": "20190126_693300e_2040500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2040500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:39:21Z",
            "pc:count": 12567577,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693829.8105,
                "count": 12567577,
                "maximum": 694300.0104,
                "minimum": 693299.9904,
                "name": "X",
                "position": 0,
                "stddev": 283.8256314,
                "variance": 80556.98906
              },
              {
                "average": 2040029.767,
                "count": 12567577,
                "maximum": 2040500,
                "minimum": 2039499.98,
                "name": "Y",
                "position": 1,
                "stddev": 298.1464829,
                "variance": 88891.32525
              },
              {
                "average": -0.3186961761,
                "count": 12567577,
                "maximum": 549.6628481,
                "minimum": -131.6171519,
                "name": "Z",
                "position": 2,
                "stddev": 8.118475539,
                "variance": 65.90964507
              },
              {
                "average": 276.281375,
                "count": 12567577,
                "maximum": 3659,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 432.9639894,
                "variance": 187457.8161
              },
              {
                "average": 1.596173789,
                "count": 12567577,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9138229535,
                "variance": 0.8350723904
              },
              {
                "average": 2.192561064,
                "count": 12567577,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.246284094,
                "variance": 1.553224044
              },
              {
                "average": 0.5902439269,
                "count": 12567577,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4917886262,
                "variance": 0.2418560529
              },
              {
                "average": 0.002815896811,
                "count": 12567577,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05299026099,
                "variance": 0.00280796776
              },
              {
                "average": 30.78909904,
                "count": 12567577,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.31383741,
                "variance": 412.6519902
              },
              {
                "average": 1.874249741,
                "count": 12567577,
                "maximum": 20.70599937,
                "minimum": -21.62999916,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.42817212,
                "variance": 180.3158065
              },
              {
                "average": 0.9184506289,
                "count": 12567577,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8551681317,
                "variance": 0.7313125334
              },
              {
                "average": 109.6315015,
                "count": 12567577,
                "maximum": 112,
                "minimum": 107,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.202070944,
                "variance": 1.444974555
              },
              {
                "average": 232614490.5,
                "count": 12567577,
                "maximum": 232635161.6,
                "minimum": 232543185.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 37772.33015,
                "variance": 1426748925
              },
              {
                "average": 0.9184506289,
                "count": 12567577,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8551681317,
                "variance": 0.7313125334
              },
              {
                "average": 0,
                "count": 12567577,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12567577,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2485389984,
                "count": 12567577,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4321659167,
                "variance": 0.1867673795
              },
              {
                "average": 0,
                "count": 12567577,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693299.9904,
              2039499.98,
              -131.6171519,
              694300.0104,
              2040500,
              549.6628481
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693299.9904045432,
                    2039499.9795429064,
                    -131.6171518625065
                  ],
                  [
                    693299.9904045432,
                    2040499.9995429064,
                    -131.6171518625065
                  ],
                  [
                    694300.0104045433,
                    2040499.9995429064,
                    549.6628481374935
                  ],
                  [
                    694300.0104045433,
                    2039499.9795429064,
                    549.6628481374935
                  ],
                  [
                    693299.9904045432,
                    2039499.9795429064,
                    -131.6171518625065
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:39:21+00:00",
            "end_time": "2019-01-26T13:06:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_728300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.83770933443951,
              18.49663603900277,
              -116.64739001073994
            ],
            [
              -66.83766372527423,
              18.500268407743878,
              -116.64739001073994
            ],
            [
              -66.8281972635623,
              18.500159962607388,
              537.85260998926
            ],
            [
              -66.82824307201751,
              18.49652761665788,
              537.85260998926
            ],
            [
              -66.83770933443951,
              18.49663603900277,
              -116.64739001073994
            ]
          ]
        ]
      },
      "bbox": [
        -66.83770933,
        18.49652762,
        -116.64739,
        -66.82819726,
        18.50026841,
        537.85261
      ],
      "properties": {
        "datetime": "2019-01-21T19:25:57Z",
        "pc:count": 2390808,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 728788.3361,
            "count": 2390808,
            "maximum": 729300.0011,
            "minimum": 728300.0011,
            "name": "X",
            "position": 0,
            "stddev": 283.863545,
            "variance": 80578.51216
          },
          {
            "average": 2046664.218,
            "count": 2390808,
            "maximum": 2046902.165,
            "minimum": 2046499.985,
            "name": "Y",
            "position": 1,
            "stddev": 111.6354683,
            "variance": 12462.47779
          },
          {
            "average": 0.06503785883,
            "count": 2390808,
            "maximum": 537.85261,
            "minimum": -116.64739,
            "name": "Z",
            "position": 2,
            "stddev": 9.164835141,
            "variance": 83.99420316
          },
          {
            "average": 634.9303725,
            "count": 2390808,
            "maximum": 2791,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 519.9360312,
            "variance": 270333.4765
          },
          {
            "average": 1.059352319,
            "count": 2390808,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2479356593,
            "variance": 0.06147209117
          },
          {
            "average": 1.118820917,
            "count": 2390808,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3487823533,
            "variance": 0.1216491299
          },
          {
            "average": 0.4378549009,
            "count": 2390808,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4961230589,
            "variance": 0.2461380896
          },
          {
            "average": 0.004020816393,
            "count": 2390808,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06328231273,
            "variance": 0.004004651104
          },
          {
            "average": 20.30357687,
            "count": 2390808,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.72384683,
            "variance": 471.9255213
          },
          {
            "average": 0.8245397344,
            "count": 2390808,
            "maximum": 24.14999962,
            "minimum": -23.62800026,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.26946279,
            "variance": 176.0786426
          },
          {
            "average": 0.909789912,
            "count": 2390808,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.012888286,
            "variance": 1.025942679
          },
          {
            "average": 86.22478551,
            "count": 2390808,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4174410837,
            "variance": 0.1742570584
          },
          {
            "average": 232133638.4,
            "count": 2390808,
            "maximum": 232133957.8,
            "minimum": 232133538.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 167.2191411,
            "variance": 27962.24115
          },
          {
            "average": 0.909789912,
            "count": 2390808,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.012888286,
            "variance": 1.025942679
          },
          {
            "average": 0,
            "count": 2390808,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2390808,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2099963694,
            "count": 2390808,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4073057373,
            "variance": 0.1658979636
          },
          {
            "average": 0,
            "count": 2390808,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          728300.0011,
          2046499.985,
          -116.64739,
          729300.0011,
          2046902.165,
          537.85261
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                728300.0011259883,
                2046499.985044018,
                -116.64739001073994
              ],
              [
                728300.0011259883,
                2046902.165044018,
                -116.64739001073994
              ],
              [
                729300.0011259883,
                2046902.165044018,
                537.85260998926
              ],
              [
                729300.0011259883,
                2046499.985044018,
                537.85260998926
              ],
              [
                728300.0011259883,
                2046499.985044018,
                -116.64739001073994
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:25:57+00:00",
        "end_time": "2019-01-21T19:18:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_728300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_728300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_728300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_728300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.83770933,
            18.49652762,
            -116.64739,
            -66.82819726,
            18.50026841,
            537.85261
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.83770933443951,
                  18.49663603900277,
                  -116.64739001073994
                ],
                [
                  -66.83766372527423,
                  18.500268407743878,
                  -116.64739001073994
                ],
                [
                  -66.8281972635623,
                  18.500159962607388,
                  537.85260998926
                ],
                [
                  -66.82824307201751,
                  18.49652761665788,
                  537.85260998926
                ],
                [
                  -66.83770933443951,
                  18.49663603900277,
                  -116.64739001073994
                ]
              ]
            ]
          },
          "id": "20190121_728300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_728300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:25:57Z",
            "pc:count": 2390808,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 728788.3361,
                "count": 2390808,
                "maximum": 729300.0011,
                "minimum": 728300.0011,
                "name": "X",
                "position": 0,
                "stddev": 283.863545,
                "variance": 80578.51216
              },
              {
                "average": 2046664.218,
                "count": 2390808,
                "maximum": 2046902.165,
                "minimum": 2046499.985,
                "name": "Y",
                "position": 1,
                "stddev": 111.6354683,
                "variance": 12462.47779
              },
              {
                "average": 0.06503785883,
                "count": 2390808,
                "maximum": 537.85261,
                "minimum": -116.64739,
                "name": "Z",
                "position": 2,
                "stddev": 9.164835141,
                "variance": 83.99420316
              },
              {
                "average": 634.9303725,
                "count": 2390808,
                "maximum": 2791,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 519.9360312,
                "variance": 270333.4765
              },
              {
                "average": 1.059352319,
                "count": 2390808,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2479356593,
                "variance": 0.06147209117
              },
              {
                "average": 1.118820917,
                "count": 2390808,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3487823533,
                "variance": 0.1216491299
              },
              {
                "average": 0.4378549009,
                "count": 2390808,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4961230589,
                "variance": 0.2461380896
              },
              {
                "average": 0.004020816393,
                "count": 2390808,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06328231273,
                "variance": 0.004004651104
              },
              {
                "average": 20.30357687,
                "count": 2390808,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.72384683,
                "variance": 471.9255213
              },
              {
                "average": 0.8245397344,
                "count": 2390808,
                "maximum": 24.14999962,
                "minimum": -23.62800026,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.26946279,
                "variance": 176.0786426
              },
              {
                "average": 0.909789912,
                "count": 2390808,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.012888286,
                "variance": 1.025942679
              },
              {
                "average": 86.22478551,
                "count": 2390808,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4174410837,
                "variance": 0.1742570584
              },
              {
                "average": 232133638.4,
                "count": 2390808,
                "maximum": 232133957.8,
                "minimum": 232133538.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 167.2191411,
                "variance": 27962.24115
              },
              {
                "average": 0.909789912,
                "count": 2390808,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.012888286,
                "variance": 1.025942679
              },
              {
                "average": 0,
                "count": 2390808,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2390808,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2099963694,
                "count": 2390808,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4073057373,
                "variance": 0.1658979636
              },
              {
                "average": 0,
                "count": 2390808,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              728300.0011,
              2046499.985,
              -116.64739,
              729300.0011,
              2046902.165,
              537.85261
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    728300.0011259883,
                    2046499.985044018,
                    -116.64739001073994
                  ],
                  [
                    728300.0011259883,
                    2046902.165044018,
                    -116.64739001073994
                  ],
                  [
                    729300.0011259883,
                    2046902.165044018,
                    537.85260998926
                  ],
                  [
                    729300.0011259883,
                    2046499.985044018,
                    537.85260998926
                  ],
                  [
                    728300.0011259883,
                    2046499.985044018,
                    -116.64739001073994
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:25:57+00:00",
            "end_time": "2019-01-21T19:18:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_731300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.80931084559856,
              18.496309347826593,
              -91.3814505886991
            ],
            [
              -66.80925046803596,
              18.501055415668922,
              -91.3814505886991
            ],
            [
              -66.79978395357088,
              18.50094554265212,
              538.2585494113009
            ],
            [
              -66.79984459152078,
              18.496199504980186,
              538.2585494113009
            ],
            [
              -66.80931084559856,
              18.496309347826593,
              -91.3814505886991
            ]
          ]
        ]
      },
      "bbox": [
        -66.80931085,
        18.4961995,
        -91.38145059,
        -66.79978395,
        18.50105542,
        538.2585494
      ],
      "properties": {
        "datetime": "2019-01-21T20:18:03Z",
        "pc:count": 2319574,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 731867.9566,
            "count": 2319574,
            "maximum": 732300.0104,
            "minimum": 731299.9904,
            "name": "X",
            "position": 0,
            "stddev": 303.898649,
            "variance": 92354.38884
          },
          {
            "average": 2046682.281,
            "count": 2319574,
            "maximum": 2047025.484,
            "minimum": 2046499.984,
            "name": "Y",
            "position": 1,
            "stddev": 125.4797277,
            "variance": 15745.16207
          },
          {
            "average": 0.08514493703,
            "count": 2319574,
            "maximum": 538.2585494,
            "minimum": -91.38145059,
            "name": "Z",
            "position": 2,
            "stddev": 9.016507875,
            "variance": 81.29741425
          },
          {
            "average": 700.8327223,
            "count": 2319574,
            "maximum": 2995,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 535.8243275,
            "variance": 287107.7099
          },
          {
            "average": 1.041002788,
            "count": 2319574,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2060584495,
            "variance": 0.04246008463
          },
          {
            "average": 1.0821043,
            "count": 2319574,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2911678942,
            "variance": 0.08477874261
          },
          {
            "average": 0.3478936218,
            "count": 2319574,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4763021599,
            "variance": 0.2268637475
          },
          {
            "average": 0.004744836767,
            "count": 2319574,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06871917729,
            "variance": 0.004722325327
          },
          {
            "average": 20.66254881,
            "count": 2319574,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.58127666,
            "variance": 465.7515023
          },
          {
            "average": 0.4657698456,
            "count": 2319574,
            "maximum": 22.57799911,
            "minimum": -24.12599945,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.57881732,
            "variance": 158.2266451
          },
          {
            "average": 0.9591666401,
            "count": 2319574,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.123259799,
            "variance": 1.261712577
          },
          {
            "average": 87.37661183,
            "count": 2319574,
            "maximum": 93,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.580771804,
            "variance": 6.660383104
          },
          {
            "average": 232134246.3,
            "count": 2319574,
            "maximum": 232137083.5,
            "minimum": 232133583.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1292.817687,
            "variance": 1671377.571
          },
          {
            "average": 0.9591666401,
            "count": 2319574,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.123259799,
            "variance": 1.261712577
          },
          {
            "average": 0,
            "count": 2319574,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2319574,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1707809279,
            "count": 2319574,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3763175037,
            "variance": 0.1416148636
          },
          {
            "average": 0,
            "count": 2319574,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          731299.9904,
          2046499.984,
          -91.38145059,
          732300.0104,
          2047025.484,
          538.2585494
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                731299.9904308156,
                2046499.9842711608,
                -91.3814505886991
              ],
              [
                731299.9904308156,
                2047025.4842711608,
                -91.3814505886991
              ],
              [
                732300.0104308156,
                2047025.4842711608,
                538.2585494113009
              ],
              [
                732300.0104308156,
                2046499.9842711608,
                538.2585494113009
              ],
              [
                731299.9904308156,
                2046499.9842711608,
                -91.3814505886991
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:18:03+00:00",
        "end_time": "2019-01-21T19:19:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_731300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_731300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_731300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_731300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.80931085,
            18.4961995,
            -91.38145059,
            -66.79978395,
            18.50105542,
            538.2585494
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.80931084559856,
                  18.496309347826593,
                  -91.3814505886991
                ],
                [
                  -66.80925046803596,
                  18.501055415668922,
                  -91.3814505886991
                ],
                [
                  -66.79978395357088,
                  18.50094554265212,
                  538.2585494113009
                ],
                [
                  -66.79984459152078,
                  18.496199504980186,
                  538.2585494113009
                ],
                [
                  -66.80931084559856,
                  18.496309347826593,
                  -91.3814505886991
                ]
              ]
            ]
          },
          "id": "20190121_731300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_731300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:18:03Z",
            "pc:count": 2319574,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 731867.9566,
                "count": 2319574,
                "maximum": 732300.0104,
                "minimum": 731299.9904,
                "name": "X",
                "position": 0,
                "stddev": 303.898649,
                "variance": 92354.38884
              },
              {
                "average": 2046682.281,
                "count": 2319574,
                "maximum": 2047025.484,
                "minimum": 2046499.984,
                "name": "Y",
                "position": 1,
                "stddev": 125.4797277,
                "variance": 15745.16207
              },
              {
                "average": 0.08514493703,
                "count": 2319574,
                "maximum": 538.2585494,
                "minimum": -91.38145059,
                "name": "Z",
                "position": 2,
                "stddev": 9.016507875,
                "variance": 81.29741425
              },
              {
                "average": 700.8327223,
                "count": 2319574,
                "maximum": 2995,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 535.8243275,
                "variance": 287107.7099
              },
              {
                "average": 1.041002788,
                "count": 2319574,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2060584495,
                "variance": 0.04246008463
              },
              {
                "average": 1.0821043,
                "count": 2319574,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2911678942,
                "variance": 0.08477874261
              },
              {
                "average": 0.3478936218,
                "count": 2319574,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4763021599,
                "variance": 0.2268637475
              },
              {
                "average": 0.004744836767,
                "count": 2319574,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06871917729,
                "variance": 0.004722325327
              },
              {
                "average": 20.66254881,
                "count": 2319574,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.58127666,
                "variance": 465.7515023
              },
              {
                "average": 0.4657698456,
                "count": 2319574,
                "maximum": 22.57799911,
                "minimum": -24.12599945,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.57881732,
                "variance": 158.2266451
              },
              {
                "average": 0.9591666401,
                "count": 2319574,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.123259799,
                "variance": 1.261712577
              },
              {
                "average": 87.37661183,
                "count": 2319574,
                "maximum": 93,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.580771804,
                "variance": 6.660383104
              },
              {
                "average": 232134246.3,
                "count": 2319574,
                "maximum": 232137083.5,
                "minimum": 232133583.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1292.817687,
                "variance": 1671377.571
              },
              {
                "average": 0.9591666401,
                "count": 2319574,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.123259799,
                "variance": 1.261712577
              },
              {
                "average": 0,
                "count": 2319574,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2319574,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1707809279,
                "count": 2319574,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3763175037,
                "variance": 0.1416148636
              },
              {
                "average": 0,
                "count": 2319574,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              731299.9904,
              2046499.984,
              -91.38145059,
              732300.0104,
              2047025.484,
              538.2585494
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    731299.9904308156,
                    2046499.9842711608,
                    -91.3814505886991
                  ],
                  [
                    731299.9904308156,
                    2047025.4842711608,
                    -91.3814505886991
                  ],
                  [
                    732300.0104308156,
                    2047025.4842711608,
                    538.2585494113009
                  ],
                  [
                    732300.0104308156,
                    2046499.9842711608,
                    538.2585494113009
                  ],
                  [
                    731299.9904308156,
                    2046499.9842711608,
                    -91.3814505886991
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:18:03+00:00",
            "end_time": "2019-01-21T19:19:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_730300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.818933793218,
              18.48403175887101,
              -115.40304277866286
            ],
            [
              -66.81889132680352,
              18.487387178304125,
              -115.40304277866286
            ],
            [
              -66.80942550185013,
              18.487277865382257,
              567.4369572213371
            ],
            [
              -66.80946815220665,
              18.483922467184236,
              567.4369572213371
            ],
            [
              -66.818933793218,
              18.48403175887101,
              -115.40304277866286
            ]
          ]
        ]
      },
      "bbox": [
        -66.81893379,
        18.48392247,
        -115.4030428,
        -66.8094255,
        18.48738718,
        567.4369572
      ],
      "properties": {
        "datetime": "2019-01-21T20:01:15Z",
        "pc:count": 5665599,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 730808.9073,
            "count": 5665599,
            "maximum": 731300.0103,
            "minimum": 730299.9903,
            "name": "X",
            "position": 0,
            "stddev": 279.6090099,
            "variance": 78181.19843
          },
          {
            "average": 2045337.216,
            "count": 5665599,
            "maximum": 2045499.99,
            "minimum": 2045128.47,
            "name": "Y",
            "position": 1,
            "stddev": 112.537274,
            "variance": 12664.63803
          },
          {
            "average": 19.58007285,
            "count": 5665599,
            "maximum": 567.4369572,
            "minimum": -115.4030428,
            "name": "Z",
            "position": 2,
            "stddev": 10.23863016,
            "variance": 104.8295475
          },
          {
            "average": 1684.05059,
            "count": 5665599,
            "maximum": 4651,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 453.791627,
            "variance": 205926.8407
          },
          {
            "average": 1.35958069,
            "count": 5665599,
            "maximum": 11,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8926904592,
            "variance": 0.796896256
          },
          {
            "average": 1.719228276,
            "count": 5665599,
            "maximum": 11,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.379124644,
            "variance": 1.901984784
          },
          {
            "average": 0.3380842873,
            "count": 5665599,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4730574399,
            "variance": 0.2237833415
          },
          {
            "average": 0.001685435203,
            "count": 5665599,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04101944427,
            "variance": 0.001682594808
          },
          {
            "average": 1.346355081,
            "count": 5665599,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.6118063876,
            "variance": 0.3743070559
          },
          {
            "average": 0.7033195233,
            "count": 5665599,
            "maximum": 23.41200066,
            "minimum": -21.47400093,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.07532928,
            "variance": 170.9642359
          },
          {
            "average": 1.219969857,
            "count": 5665599,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.222871542,
            "variance": 1.495414808
          },
          {
            "average": 90.74755467,
            "count": 5665599,
            "maximum": 91,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4344153748,
            "variance": 0.1887167179
          },
          {
            "average": 232135989.7,
            "count": 5665599,
            "maximum": 232136075.4,
            "minimum": 232135756.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 129.9359468,
            "variance": 16883.35027
          },
          {
            "average": 1.219969857,
            "count": 5665599,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.222871542,
            "variance": 1.495414808
          },
          {
            "average": 0,
            "count": 5665599,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5665599,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1493466092,
            "count": 5665599,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3564298276,
            "variance": 0.127042222
          },
          {
            "average": 0,
            "count": 5665599,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          730299.9903,
          2045128.47,
          -115.4030428,
          731300.0103,
          2045499.99,
          567.4369572
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                730299.9902963624,
                2045128.4703156203,
                -115.40304277866286
              ],
              [
                730299.9902963624,
                2045499.9903156203,
                -115.40304277866286
              ],
              [
                731300.0102963625,
                2045499.9903156203,
                567.4369572213371
              ],
              [
                731300.0102963625,
                2045128.4703156203,
                567.4369572213371
              ],
              [
                730299.9902963624,
                2045128.4703156203,
                -115.40304277866286
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:01:15+00:00",
        "end_time": "2019-01-21T19:55:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_730300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_730300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_730300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_730300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.81893379,
            18.48392247,
            -115.4030428,
            -66.8094255,
            18.48738718,
            567.4369572
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.818933793218,
                  18.48403175887101,
                  -115.40304277866286
                ],
                [
                  -66.81889132680352,
                  18.487387178304125,
                  -115.40304277866286
                ],
                [
                  -66.80942550185013,
                  18.487277865382257,
                  567.4369572213371
                ],
                [
                  -66.80946815220665,
                  18.483922467184236,
                  567.4369572213371
                ],
                [
                  -66.818933793218,
                  18.48403175887101,
                  -115.40304277866286
                ]
              ]
            ]
          },
          "id": "20190121_730300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_730300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:01:15Z",
            "pc:count": 5665599,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 730808.9073,
                "count": 5665599,
                "maximum": 731300.0103,
                "minimum": 730299.9903,
                "name": "X",
                "position": 0,
                "stddev": 279.6090099,
                "variance": 78181.19843
              },
              {
                "average": 2045337.216,
                "count": 5665599,
                "maximum": 2045499.99,
                "minimum": 2045128.47,
                "name": "Y",
                "position": 1,
                "stddev": 112.537274,
                "variance": 12664.63803
              },
              {
                "average": 19.58007285,
                "count": 5665599,
                "maximum": 567.4369572,
                "minimum": -115.4030428,
                "name": "Z",
                "position": 2,
                "stddev": 10.23863016,
                "variance": 104.8295475
              },
              {
                "average": 1684.05059,
                "count": 5665599,
                "maximum": 4651,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 453.791627,
                "variance": 205926.8407
              },
              {
                "average": 1.35958069,
                "count": 5665599,
                "maximum": 11,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8926904592,
                "variance": 0.796896256
              },
              {
                "average": 1.719228276,
                "count": 5665599,
                "maximum": 11,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.379124644,
                "variance": 1.901984784
              },
              {
                "average": 0.3380842873,
                "count": 5665599,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4730574399,
                "variance": 0.2237833415
              },
              {
                "average": 0.001685435203,
                "count": 5665599,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04101944427,
                "variance": 0.001682594808
              },
              {
                "average": 1.346355081,
                "count": 5665599,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.6118063876,
                "variance": 0.3743070559
              },
              {
                "average": 0.7033195233,
                "count": 5665599,
                "maximum": 23.41200066,
                "minimum": -21.47400093,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.07532928,
                "variance": 170.9642359
              },
              {
                "average": 1.219969857,
                "count": 5665599,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.222871542,
                "variance": 1.495414808
              },
              {
                "average": 90.74755467,
                "count": 5665599,
                "maximum": 91,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4344153748,
                "variance": 0.1887167179
              },
              {
                "average": 232135989.7,
                "count": 5665599,
                "maximum": 232136075.4,
                "minimum": 232135756.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 129.9359468,
                "variance": 16883.35027
              },
              {
                "average": 1.219969857,
                "count": 5665599,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.222871542,
                "variance": 1.495414808
              },
              {
                "average": 0,
                "count": 5665599,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5665599,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1493466092,
                "count": 5665599,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3564298276,
                "variance": 0.127042222
              },
              {
                "average": 0,
                "count": 5665599,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              730299.9903,
              2045128.47,
              -115.4030428,
              731300.0103,
              2045499.99,
              567.4369572
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    730299.9902963624,
                    2045128.4703156203,
                    -115.40304277866286
                  ],
                  [
                    730299.9902963624,
                    2045499.9903156203,
                    -115.40304277866286
                  ],
                  [
                    731300.0102963625,
                    2045499.9903156203,
                    567.4369572213371
                  ],
                  [
                    731300.0102963625,
                    2045128.4703156203,
                    567.4369572213371
                  ],
                  [
                    730299.9902963624,
                    2045128.4703156203,
                    -115.40304277866286
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:01:15+00:00",
            "end_time": "2019-01-21T19:55:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2042500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18742513787363,
              18.455136815722103,
              -75.83003763123759
            ],
            [
              -67.18733027823693,
              18.46417065592995,
              -75.83003763123759
            ],
            [
              -67.17891777449901,
              18.464090004554453,
              487.98996236876246
            ],
            [
              -67.17901307378253,
              18.455056206572266,
              487.98996236876246
            ],
            [
              -67.18742513787363,
              18.455136815722103,
              -75.83003763123759
            ]
          ]
        ]
      },
      "bbox": [
        -67.18742514,
        18.45505621,
        -75.83003763,
        -67.17891777,
        18.46417066,
        487.9899624
      ],
      "properties": {
        "datetime": "2019-01-26T12:36:14Z",
        "pc:count": 3554026,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691919.5152,
            "count": 3554026,
            "maximum": 692300.0043,
            "minimum": 691411.3443,
            "name": "X",
            "position": 0,
            "stddev": 225.163874,
            "variance": 50698.77013
          },
          {
            "average": 2041930.123,
            "count": 3554026,
            "maximum": 2042499.999,
            "minimum": 2041499.979,
            "name": "Y",
            "position": 1,
            "stddev": 276.7803376,
            "variance": 76607.35526
          },
          {
            "average": 0.02321872367,
            "count": 3554026,
            "maximum": 487.9899624,
            "minimum": -75.83003763,
            "name": "Z",
            "position": 2,
            "stddev": 16.84089949,
            "variance": 283.6158956
          },
          {
            "average": 376.8530694,
            "count": 3554026,
            "maximum": 4443,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 611.7244278,
            "variance": 374206.7756
          },
          {
            "average": 1.377534942,
            "count": 3554026,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8714949624,
            "variance": 0.7595034695
          },
          {
            "average": 1.755293574,
            "count": 3554026,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.326106165,
            "variance": 1.758557561
          },
          {
            "average": 0.5251649819,
            "count": 3554026,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4993663924,
            "variance": 0.2493667939
          },
          {
            "average": 0.007144292135,
            "count": 3554026,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08422145345,
            "variance": 0.007093253221
          },
          {
            "average": 27.33530424,
            "count": 3554026,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.19046726,
            "variance": 449.0359029
          },
          {
            "average": -2.459623555,
            "count": 3554026,
            "maximum": 20.61000061,
            "minimum": -21.58200073,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.50551794,
            "variance": 156.3879789
          },
          {
            "average": 1.225361885,
            "count": 3554026,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.060303852,
            "variance": 1.124244258
          },
          {
            "average": 100.8418748,
            "count": 3554026,
            "maximum": 103,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8104354612,
            "variance": 0.6568056368
          },
          {
            "average": 232540588.9,
            "count": 3554026,
            "maximum": 232541374.5,
            "minimum": 232540280.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 308.9179185,
            "variance": 95430.28036
          },
          {
            "average": 1.225361885,
            "count": 3554026,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.060303852,
            "variance": 1.124244258
          },
          {
            "average": 0,
            "count": 3554026,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3554026,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2251246896,
            "count": 3554026,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.417664474,
            "variance": 0.1744436128
          },
          {
            "average": 0,
            "count": 3554026,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691411.3443,
          2041499.979,
          -75.83003763,
          692300.0043,
          2042499.999,
          487.9899624
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691411.344270236,
                2041499.9792514495,
                -75.83003763123759
              ],
              [
                691411.344270236,
                2042499.9992514495,
                -75.83003763123759
              ],
              [
                692300.0042702359,
                2042499.9992514495,
                487.98996236876246
              ],
              [
                692300.0042702359,
                2041499.9792514495,
                487.98996236876246
              ],
              [
                691411.344270236,
                2041499.9792514495,
                -75.83003763123759
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:36:14+00:00",
        "end_time": "2019-01-26T12:18:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2042500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2042500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2042500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2042500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18742514,
            18.45505621,
            -75.83003763,
            -67.17891777,
            18.46417066,
            487.9899624
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18742513787363,
                  18.455136815722103,
                  -75.83003763123759
                ],
                [
                  -67.18733027823693,
                  18.46417065592995,
                  -75.83003763123759
                ],
                [
                  -67.17891777449901,
                  18.464090004554453,
                  487.98996236876246
                ],
                [
                  -67.17901307378253,
                  18.455056206572266,
                  487.98996236876246
                ],
                [
                  -67.18742513787363,
                  18.455136815722103,
                  -75.83003763123759
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2042500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2042500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:36:14Z",
            "pc:count": 3554026,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691919.5152,
                "count": 3554026,
                "maximum": 692300.0043,
                "minimum": 691411.3443,
                "name": "X",
                "position": 0,
                "stddev": 225.163874,
                "variance": 50698.77013
              },
              {
                "average": 2041930.123,
                "count": 3554026,
                "maximum": 2042499.999,
                "minimum": 2041499.979,
                "name": "Y",
                "position": 1,
                "stddev": 276.7803376,
                "variance": 76607.35526
              },
              {
                "average": 0.02321872367,
                "count": 3554026,
                "maximum": 487.9899624,
                "minimum": -75.83003763,
                "name": "Z",
                "position": 2,
                "stddev": 16.84089949,
                "variance": 283.6158956
              },
              {
                "average": 376.8530694,
                "count": 3554026,
                "maximum": 4443,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 611.7244278,
                "variance": 374206.7756
              },
              {
                "average": 1.377534942,
                "count": 3554026,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8714949624,
                "variance": 0.7595034695
              },
              {
                "average": 1.755293574,
                "count": 3554026,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.326106165,
                "variance": 1.758557561
              },
              {
                "average": 0.5251649819,
                "count": 3554026,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4993663924,
                "variance": 0.2493667939
              },
              {
                "average": 0.007144292135,
                "count": 3554026,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08422145345,
                "variance": 0.007093253221
              },
              {
                "average": 27.33530424,
                "count": 3554026,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.19046726,
                "variance": 449.0359029
              },
              {
                "average": -2.459623555,
                "count": 3554026,
                "maximum": 20.61000061,
                "minimum": -21.58200073,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.50551794,
                "variance": 156.3879789
              },
              {
                "average": 1.225361885,
                "count": 3554026,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.060303852,
                "variance": 1.124244258
              },
              {
                "average": 100.8418748,
                "count": 3554026,
                "maximum": 103,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8104354612,
                "variance": 0.6568056368
              },
              {
                "average": 232540588.9,
                "count": 3554026,
                "maximum": 232541374.5,
                "minimum": 232540280.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 308.9179185,
                "variance": 95430.28036
              },
              {
                "average": 1.225361885,
                "count": 3554026,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.060303852,
                "variance": 1.124244258
              },
              {
                "average": 0,
                "count": 3554026,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3554026,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2251246896,
                "count": 3554026,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.417664474,
                "variance": 0.1744436128
              },
              {
                "average": 0,
                "count": 3554026,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691411.3443,
              2041499.979,
              -75.83003763,
              692300.0043,
              2042499.999,
              487.9899624
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691411.344270236,
                    2041499.9792514495,
                    -75.83003763123759
                  ],
                  [
                    691411.344270236,
                    2042499.9992514495,
                    -75.83003763123759
                  ],
                  [
                    692300.0042702359,
                    2042499.9992514495,
                    487.98996236876246
                  ],
                  [
                    692300.0042702359,
                    2041499.9792514495,
                    487.98996236876246
                  ],
                  [
                    691411.344270236,
                    2041499.9792514495,
                    -75.83003763123759
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:36:14+00:00",
            "end_time": "2019-01-26T12:18:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_695300e_2040500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1508088885559,
              18.436714384784878,
              -124.27438570874307
            ],
            [
              -67.15071761826411,
              18.445243446347874,
              -124.27438570874307
            ],
            [
              -67.14779644095843,
              18.44521494339208,
              484.84561429125694
            ],
            [
              -67.14788785522252,
              18.436685895930683,
              484.84561429125694
            ],
            [
              -67.1508088885559,
              18.436714384784878,
              -124.27438570874307
            ]
          ]
        ]
      },
      "bbox": [
        -67.15080889,
        18.4366859,
        -124.2743857,
        -67.14779644,
        18.44524345,
        484.8456143
      ],
      "properties": {
        "datetime": "2019-01-27T14:56:04Z",
        "pc:count": 735736,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 695348.3529,
            "count": 735736,
            "maximum": 695608.6109,
            "minimum": 695299.9909,
            "name": "X",
            "position": 0,
            "stddev": 50.44737838,
            "variance": 2544.937985
          },
          {
            "average": 2039681.177,
            "count": 735736,
            "maximum": 2040444.143,
            "minimum": 2039499.983,
            "name": "Y",
            "position": 1,
            "stddev": 128.5890117,
            "variance": 16535.13393
          },
          {
            "average": 108.4636704,
            "count": 735736,
            "maximum": 484.8456143,
            "minimum": -124.2743857,
            "name": "Z",
            "position": 2,
            "stddev": 12.34510182,
            "variance": 152.401539
          },
          {
            "average": 1422.745808,
            "count": 735736,
            "maximum": 3401,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 577.7172243,
            "variance": 333757.1912
          },
          {
            "average": 2.118856492,
            "count": 735736,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.516552171,
            "variance": 2.299930486
          },
          {
            "average": 3.223120793,
            "count": 735736,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.12406006,
            "variance": 4.51163114
          },
          {
            "average": 0.4066322703,
            "count": 735736,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4912054509,
            "variance": 0.241282795
          },
          {
            "average": 0.002049648243,
            "count": 735736,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04522665105,
            "variance": 0.002045449966
          },
          {
            "average": 1.287517533,
            "count": 735736,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9444149056,
            "variance": 0.8919195139
          },
          {
            "average": 13.28575955,
            "count": 735736,
            "maximum": 20.6760006,
            "minimum": -19.69799995,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.150364822,
            "variance": 66.42844674
          },
          {
            "average": 0.7576318136,
            "count": 735736,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9410771164,
            "variance": 0.885626139
          },
          {
            "average": 115.2108066,
            "count": 735736,
            "maximum": 116,
            "minimum": 114,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4078915971,
            "variance": 0.166375555
          },
          {
            "average": 232635982.6,
            "count": 735736,
            "maximum": 232636164.5,
            "minimum": 232635653.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 93.32454508,
            "variance": 8709.470715
          },
          {
            "average": 0.7576318136,
            "count": 735736,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9410771164,
            "variance": 0.885626139
          },
          {
            "average": 0,
            "count": 735736,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 735736,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.381529516,
            "count": 735736,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4857623546,
            "variance": 0.2359650651
          },
          {
            "average": 0,
            "count": 735736,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          695299.9909,
          2039499.983,
          -124.2743857,
          695608.6109,
          2040444.143,
          484.8456143
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                695299.9908928381,
                2039499.982586497,
                -124.27438570874307
              ],
              [
                695299.9908928381,
                2040444.1425864971,
                -124.27438570874307
              ],
              [
                695608.6108928382,
                2040444.1425864971,
                484.84561429125694
              ],
              [
                695608.6108928382,
                2039499.982586497,
                484.84561429125694
              ],
              [
                695299.9908928381,
                2039499.982586497,
                -124.27438570874307
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:56:04+00:00",
        "end_time": "2019-01-27T14:47:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_695300e_2040500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_695300e_2040500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_695300e_2040500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2040500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15080889,
            18.4366859,
            -124.2743857,
            -67.14779644,
            18.44524345,
            484.8456143
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1508088885559,
                  18.436714384784878,
                  -124.27438570874307
                ],
                [
                  -67.15071761826411,
                  18.445243446347874,
                  -124.27438570874307
                ],
                [
                  -67.14779644095843,
                  18.44521494339208,
                  484.84561429125694
                ],
                [
                  -67.14788785522252,
                  18.436685895930683,
                  484.84561429125694
                ],
                [
                  -67.1508088885559,
                  18.436714384784878,
                  -124.27438570874307
                ]
              ]
            ]
          },
          "id": "20190127_695300e_2040500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2040500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:56:04Z",
            "pc:count": 735736,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 695348.3529,
                "count": 735736,
                "maximum": 695608.6109,
                "minimum": 695299.9909,
                "name": "X",
                "position": 0,
                "stddev": 50.44737838,
                "variance": 2544.937985
              },
              {
                "average": 2039681.177,
                "count": 735736,
                "maximum": 2040444.143,
                "minimum": 2039499.983,
                "name": "Y",
                "position": 1,
                "stddev": 128.5890117,
                "variance": 16535.13393
              },
              {
                "average": 108.4636704,
                "count": 735736,
                "maximum": 484.8456143,
                "minimum": -124.2743857,
                "name": "Z",
                "position": 2,
                "stddev": 12.34510182,
                "variance": 152.401539
              },
              {
                "average": 1422.745808,
                "count": 735736,
                "maximum": 3401,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 577.7172243,
                "variance": 333757.1912
              },
              {
                "average": 2.118856492,
                "count": 735736,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.516552171,
                "variance": 2.299930486
              },
              {
                "average": 3.223120793,
                "count": 735736,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.12406006,
                "variance": 4.51163114
              },
              {
                "average": 0.4066322703,
                "count": 735736,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4912054509,
                "variance": 0.241282795
              },
              {
                "average": 0.002049648243,
                "count": 735736,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04522665105,
                "variance": 0.002045449966
              },
              {
                "average": 1.287517533,
                "count": 735736,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9444149056,
                "variance": 0.8919195139
              },
              {
                "average": 13.28575955,
                "count": 735736,
                "maximum": 20.6760006,
                "minimum": -19.69799995,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.150364822,
                "variance": 66.42844674
              },
              {
                "average": 0.7576318136,
                "count": 735736,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9410771164,
                "variance": 0.885626139
              },
              {
                "average": 115.2108066,
                "count": 735736,
                "maximum": 116,
                "minimum": 114,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4078915971,
                "variance": 0.166375555
              },
              {
                "average": 232635982.6,
                "count": 735736,
                "maximum": 232636164.5,
                "minimum": 232635653.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 93.32454508,
                "variance": 8709.470715
              },
              {
                "average": 0.7576318136,
                "count": 735736,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9410771164,
                "variance": 0.885626139
              },
              {
                "average": 0,
                "count": 735736,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 735736,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.381529516,
                "count": 735736,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4857623546,
                "variance": 0.2359650651
              },
              {
                "average": 0,
                "count": 735736,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              695299.9909,
              2039499.983,
              -124.2743857,
              695608.6109,
              2040444.143,
              484.8456143
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    695299.9908928381,
                    2039499.982586497,
                    -124.27438570874307
                  ],
                  [
                    695299.9908928381,
                    2040444.1425864971,
                    -124.27438570874307
                  ],
                  [
                    695608.6108928382,
                    2040444.1425864971,
                    484.84561429125694
                  ],
                  [
                    695608.6108928382,
                    2039499.982586497,
                    484.84561429125694
                  ],
                  [
                    695299.9908928381,
                    2039499.982586497,
                    -124.27438570874307
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:56:04+00:00",
            "end_time": "2019-01-27T14:47:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_727300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.84717576301152,
              18.496743982597152,
              -112.42272070446657
            ],
            [
              -66.84713147107311,
              18.500286959669136,
              -112.42272070446657
            ],
            [
              -66.83766475961325,
              18.500178985828356,
              533.5172792955335
            ],
            [
              -66.83770924594542,
              18.496636030890453,
              533.5172792955335
            ],
            [
              -66.84717576301152,
              18.496743982597152,
              -112.42272070446657
            ]
          ]
        ]
      },
      "bbox": [
        -66.84717576,
        18.49663603,
        -112.4227207,
        -66.83766476,
        18.50028696,
        533.5172793
      ],
      "properties": {
        "datetime": "2019-01-21T19:26:13Z",
        "pc:count": 2101698,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 727817.1982,
            "count": 2101698,
            "maximum": 728300.0105,
            "minimum": 727299.9905,
            "name": "X",
            "position": 0,
            "stddev": 294.5004484,
            "variance": 86730.51409
          },
          {
            "average": 2046651.581,
            "count": 2101698,
            "maximum": 2046892.264,
            "minimum": 2046499.984,
            "name": "Y",
            "position": 1,
            "stddev": 104.0892354,
            "variance": 10834.56892
          },
          {
            "average": 0.1533441107,
            "count": 2101698,
            "maximum": 533.5172793,
            "minimum": -112.4227207,
            "name": "Z",
            "position": 2,
            "stddev": 11.0709735,
            "variance": 122.5664543
          },
          {
            "average": 712.7358541,
            "count": 2101698,
            "maximum": 2797,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 540.585649,
            "variance": 292232.8439
          },
          {
            "average": 1.048367558,
            "count": 2101698,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2243804233,
            "variance": 0.05034657434
          },
          {
            "average": 1.096801729,
            "count": 2101698,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3168321867,
            "variance": 0.1003826345
          },
          {
            "average": 0.4377284462,
            "count": 2101698,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4961072169,
            "variance": 0.2461223707
          },
          {
            "average": 0.004662420576,
            "count": 2101698,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06812257055,
            "variance": 0.004640684619
          },
          {
            "average": 22.94792972,
            "count": 2101698,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.86518534,
            "variance": 478.0863301
          },
          {
            "average": 0.9750923684,
            "count": 2101698,
            "maximum": 22.7159996,
            "minimum": -23.77799988,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.4756311,
            "variance": 155.6413714
          },
          {
            "average": 0.9075185874,
            "count": 2101698,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.011686399,
            "variance": 1.02350937
          },
          {
            "average": 86.24806133,
            "count": 2101698,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4318877111,
            "variance": 0.186526995
          },
          {
            "average": 232133640.4,
            "count": 2101698,
            "maximum": 232133973.8,
            "minimum": 232133523.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 185.6877981,
            "variance": 34479.95837
          },
          {
            "average": 0.9075185874,
            "count": 2101698,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.011686399,
            "variance": 1.02350937
          },
          {
            "average": 0,
            "count": 2101698,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2101698,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1000762241,
            "count": 2101698,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3001016766,
            "variance": 0.09006101631
          },
          {
            "average": 0,
            "count": 2101698,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          727299.9905,
          2046499.984,
          -112.4227207,
          728300.0105,
          2046892.264,
          533.5172793
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                727299.9904837385,
                2046499.984257905,
                -112.42272070446657
              ],
              [
                727299.9904837385,
                2046892.2642579048,
                -112.42272070446657
              ],
              [
                728300.0104837385,
                2046892.2642579048,
                533.5172792955335
              ],
              [
                728300.0104837385,
                2046499.984257905,
                533.5172792955335
              ],
              [
                727299.9904837385,
                2046499.984257905,
                -112.42272070446657
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:26:13+00:00",
        "end_time": "2019-01-21T19:18:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_727300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_727300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_727300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_727300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.84717576,
            18.49663603,
            -112.4227207,
            -66.83766476,
            18.50028696,
            533.5172793
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.84717576301152,
                  18.496743982597152,
                  -112.42272070446657
                ],
                [
                  -66.84713147107311,
                  18.500286959669136,
                  -112.42272070446657
                ],
                [
                  -66.83766475961325,
                  18.500178985828356,
                  533.5172792955335
                ],
                [
                  -66.83770924594542,
                  18.496636030890453,
                  533.5172792955335
                ],
                [
                  -66.84717576301152,
                  18.496743982597152,
                  -112.42272070446657
                ]
              ]
            ]
          },
          "id": "20190121_727300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_727300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:26:13Z",
            "pc:count": 2101698,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 727817.1982,
                "count": 2101698,
                "maximum": 728300.0105,
                "minimum": 727299.9905,
                "name": "X",
                "position": 0,
                "stddev": 294.5004484,
                "variance": 86730.51409
              },
              {
                "average": 2046651.581,
                "count": 2101698,
                "maximum": 2046892.264,
                "minimum": 2046499.984,
                "name": "Y",
                "position": 1,
                "stddev": 104.0892354,
                "variance": 10834.56892
              },
              {
                "average": 0.1533441107,
                "count": 2101698,
                "maximum": 533.5172793,
                "minimum": -112.4227207,
                "name": "Z",
                "position": 2,
                "stddev": 11.0709735,
                "variance": 122.5664543
              },
              {
                "average": 712.7358541,
                "count": 2101698,
                "maximum": 2797,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 540.585649,
                "variance": 292232.8439
              },
              {
                "average": 1.048367558,
                "count": 2101698,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2243804233,
                "variance": 0.05034657434
              },
              {
                "average": 1.096801729,
                "count": 2101698,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3168321867,
                "variance": 0.1003826345
              },
              {
                "average": 0.4377284462,
                "count": 2101698,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4961072169,
                "variance": 0.2461223707
              },
              {
                "average": 0.004662420576,
                "count": 2101698,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06812257055,
                "variance": 0.004640684619
              },
              {
                "average": 22.94792972,
                "count": 2101698,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.86518534,
                "variance": 478.0863301
              },
              {
                "average": 0.9750923684,
                "count": 2101698,
                "maximum": 22.7159996,
                "minimum": -23.77799988,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.4756311,
                "variance": 155.6413714
              },
              {
                "average": 0.9075185874,
                "count": 2101698,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.011686399,
                "variance": 1.02350937
              },
              {
                "average": 86.24806133,
                "count": 2101698,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4318877111,
                "variance": 0.186526995
              },
              {
                "average": 232133640.4,
                "count": 2101698,
                "maximum": 232133973.8,
                "minimum": 232133523.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 185.6877981,
                "variance": 34479.95837
              },
              {
                "average": 0.9075185874,
                "count": 2101698,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.011686399,
                "variance": 1.02350937
              },
              {
                "average": 0,
                "count": 2101698,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2101698,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1000762241,
                "count": 2101698,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3001016766,
                "variance": 0.09006101631
              },
              {
                "average": 0,
                "count": 2101698,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              727299.9905,
              2046499.984,
              -112.4227207,
              728300.0105,
              2046892.264,
              533.5172793
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    727299.9904837385,
                    2046499.984257905,
                    -112.42272070446657
                  ],
                  [
                    727299.9904837385,
                    2046892.2642579048,
                    -112.42272070446657
                  ],
                  [
                    728300.0104837385,
                    2046892.2642579048,
                    533.5172792955335
                  ],
                  [
                    728300.0104837385,
                    2046499.984257905,
                    533.5172792955335
                  ],
                  [
                    727299.9904837385,
                    2046499.984257905,
                    -112.42272070446657
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:26:13+00:00",
            "end_time": "2019-01-21T19:18:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_688300e_2035500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.21752930495212,
              18.392179210501773,
              -145.01667480774344
            ],
            [
              -67.21743636125001,
              18.401213260287335,
              -145.01667480774344
            ],
            [
              -67.2079729586844,
              18.40112427275781,
              467.10332519225653
            ],
            [
              -67.20806639517077,
              18.392090269700866,
              467.10332519225653
            ],
            [
              -67.21752930495212,
              18.392179210501773,
              -145.01667480774344
            ]
          ]
        ]
      },
      "bbox": [
        -67.2175293,
        18.39209027,
        -145.0166748,
        -67.20797296,
        18.40121326,
        467.1033252
      ],
      "properties": {
        "datetime": "2019-02-01T16:49:36Z",
        "pc:count": 11918036,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 688849.9326,
            "count": 11918036,
            "maximum": 689300.0104,
            "minimum": 688299.9904,
            "name": "X",
            "position": 0,
            "stddev": 276.0096279,
            "variance": 76181.3147
          },
          {
            "average": 2034910.432,
            "count": 11918036,
            "maximum": 2035499.999,
            "minimum": 2034499.979,
            "name": "Y",
            "position": 1,
            "stddev": 274.334964,
            "variance": 75259.67248
          },
          {
            "average": -0.7755102551,
            "count": 11918036,
            "maximum": 467.1033252,
            "minimum": -145.0166748,
            "name": "Z",
            "position": 2,
            "stddev": 12.46820262,
            "variance": 155.4560766
          },
          {
            "average": 702.5485958,
            "count": 11918036,
            "maximum": 3183,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 520.808519,
            "variance": 271241.5135
          },
          {
            "average": 1.173814293,
            "count": 11918036,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4892809715,
            "variance": 0.2393958691
          },
          {
            "average": 1.347874432,
            "count": 11918036,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7171085242,
            "variance": 0.5142446354
          },
          {
            "average": 0.414083495,
            "count": 11918036,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4925630665,
            "variance": 0.2426183745
          },
          {
            "average": 0.002694235862,
            "count": 11918036,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05183606062,
            "variance": 0.002686977181
          },
          {
            "average": 23.49863736,
            "count": 11918036,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.30406384,
            "variance": 453.8631362
          },
          {
            "average": -2.965575461,
            "count": 11918036,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.3837079,
            "variance": 153.3562213
          },
          {
            "average": 1.150637907,
            "count": 11918036,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.140078614,
            "variance": 1.299779247
          },
          {
            "average": 123.4680967,
            "count": 11918036,
            "maximum": 126,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.050041991,
            "variance": 1.102588183
          },
          {
            "average": 233074209.7,
            "count": 11918036,
            "maximum": 233074976.2,
            "minimum": 233073647.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 371.9773428,
            "variance": 138367.1436
          },
          {
            "average": 1.150637907,
            "count": 11918036,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.140078614,
            "variance": 1.299779247
          },
          {
            "average": 0,
            "count": 11918036,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11918036,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2210646956,
            "count": 11918036,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4149639869,
            "variance": 0.1721951104
          },
          {
            "average": 0,
            "count": 11918036,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          688299.9904,
          2034499.979,
          -145.0166748,
          689300.0104,
          2035499.999,
          467.1033252
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                688299.9903961321,
                2034499.9792011587,
                -145.01667480774344
              ],
              [
                688299.9903961321,
                2035499.9992011588,
                -145.01667480774344
              ],
              [
                689300.0103961321,
                2035499.9992011588,
                467.10332519225653
              ],
              [
                689300.0103961321,
                2034499.9792011587,
                467.10332519225653
              ],
              [
                688299.9903961321,
                2034499.9792011587,
                -145.01667480774344
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T16:49:36+00:00",
        "end_time": "2019-02-01T16:27:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_688300e_2035500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_688300e_2035500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_688300e_2035500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_688300e_2035500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.2175293,
            18.39209027,
            -145.0166748,
            -67.20797296,
            18.40121326,
            467.1033252
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.21752930495212,
                  18.392179210501773,
                  -145.01667480774344
                ],
                [
                  -67.21743636125001,
                  18.401213260287335,
                  -145.01667480774344
                ],
                [
                  -67.2079729586844,
                  18.40112427275781,
                  467.10332519225653
                ],
                [
                  -67.20806639517077,
                  18.392090269700866,
                  467.10332519225653
                ],
                [
                  -67.21752930495212,
                  18.392179210501773,
                  -145.01667480774344
                ]
              ]
            ]
          },
          "id": "20190201_688300e_2035500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_688300e_2035500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T16:49:36Z",
            "pc:count": 11918036,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 688849.9326,
                "count": 11918036,
                "maximum": 689300.0104,
                "minimum": 688299.9904,
                "name": "X",
                "position": 0,
                "stddev": 276.0096279,
                "variance": 76181.3147
              },
              {
                "average": 2034910.432,
                "count": 11918036,
                "maximum": 2035499.999,
                "minimum": 2034499.979,
                "name": "Y",
                "position": 1,
                "stddev": 274.334964,
                "variance": 75259.67248
              },
              {
                "average": -0.7755102551,
                "count": 11918036,
                "maximum": 467.1033252,
                "minimum": -145.0166748,
                "name": "Z",
                "position": 2,
                "stddev": 12.46820262,
                "variance": 155.4560766
              },
              {
                "average": 702.5485958,
                "count": 11918036,
                "maximum": 3183,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 520.808519,
                "variance": 271241.5135
              },
              {
                "average": 1.173814293,
                "count": 11918036,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4892809715,
                "variance": 0.2393958691
              },
              {
                "average": 1.347874432,
                "count": 11918036,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7171085242,
                "variance": 0.5142446354
              },
              {
                "average": 0.414083495,
                "count": 11918036,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4925630665,
                "variance": 0.2426183745
              },
              {
                "average": 0.002694235862,
                "count": 11918036,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05183606062,
                "variance": 0.002686977181
              },
              {
                "average": 23.49863736,
                "count": 11918036,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.30406384,
                "variance": 453.8631362
              },
              {
                "average": -2.965575461,
                "count": 11918036,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.3837079,
                "variance": 153.3562213
              },
              {
                "average": 1.150637907,
                "count": 11918036,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.140078614,
                "variance": 1.299779247
              },
              {
                "average": 123.4680967,
                "count": 11918036,
                "maximum": 126,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.050041991,
                "variance": 1.102588183
              },
              {
                "average": 233074209.7,
                "count": 11918036,
                "maximum": 233074976.2,
                "minimum": 233073647.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 371.9773428,
                "variance": 138367.1436
              },
              {
                "average": 1.150637907,
                "count": 11918036,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.140078614,
                "variance": 1.299779247
              },
              {
                "average": 0,
                "count": 11918036,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11918036,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2210646956,
                "count": 11918036,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4149639869,
                "variance": 0.1721951104
              },
              {
                "average": 0,
                "count": 11918036,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              688299.9904,
              2034499.979,
              -145.0166748,
              689300.0104,
              2035499.999,
              467.1033252
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    688299.9903961321,
                    2034499.9792011587,
                    -145.01667480774344
                  ],
                  [
                    688299.9903961321,
                    2035499.9992011588,
                    -145.01667480774344
                  ],
                  [
                    689300.0103961321,
                    2035499.9992011588,
                    467.10332519225653
                  ],
                  [
                    689300.0103961321,
                    2034499.9792011587,
                    467.10332519225653
                  ],
                  [
                    688299.9903961321,
                    2034499.9792011587,
                    -145.01667480774344
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T16:49:36+00:00",
            "end_time": "2019-02-01T16:27:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_722300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.89472908271487,
              18.479212505261927,
              -114.12420718488397
            ],
            [
              -66.8946187573135,
              18.48824473555128,
              -114.12420718488397
            ],
            [
              -66.88515241335105,
              18.48813920327096,
              591.7157928151161
            ],
            [
              -66.88526323390495,
              18.479107028162034,
              591.7157928151161
            ],
            [
              -66.89472908271487,
              18.479212505261927,
              -114.12420718488397
            ]
          ]
        ]
      },
      "bbox": [
        -66.89472908,
        18.47910703,
        -114.1242072,
        -66.88515241,
        18.48824474,
        591.7157928
      ],
      "properties": {
        "datetime": "2019-01-21T20:25:42Z",
        "pc:count": 17209894,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 722739.1579,
            "count": 17209894,
            "maximum": 723300.0104,
            "minimum": 722299.9904,
            "name": "X",
            "position": 0,
            "stddev": 282.8890061,
            "variance": 80026.18975
          },
          {
            "average": 2045122.35,
            "count": 17209894,
            "maximum": 2045500,
            "minimum": 2044499.98,
            "name": "Y",
            "position": 1,
            "stddev": 252.1222173,
            "variance": 63565.61246
          },
          {
            "average": 21.40202851,
            "count": 17209894,
            "maximum": 591.7157928,
            "minimum": -114.1242072,
            "name": "Z",
            "position": 2,
            "stddev": 18.25522335,
            "variance": 333.2531795
          },
          {
            "average": 1436.097832,
            "count": 17209894,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 617.9761759,
            "variance": 381894.5539
          },
          {
            "average": 1.491213078,
            "count": 17209894,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9628406162,
            "variance": 0.9270620523
          },
          {
            "average": 1.982399252,
            "count": 17209894,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.431272393,
            "variance": 2.048540663
          },
          {
            "average": 0.3749390903,
            "count": 17209894,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4841072014,
            "variance": 0.2343597825
          },
          {
            "average": 0.00165759301,
            "count": 17209894,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04067979218,
            "variance": 0.001654845492
          },
          {
            "average": 8.15295806,
            "count": 17209894,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 15.67341003,
            "variance": 245.655782
          },
          {
            "average": 0.3832366929,
            "count": 17209894,
            "maximum": 23.98800087,
            "minimum": -22.20000076,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.71233105,
            "variance": 188.0280227
          },
          {
            "average": 1.093862751,
            "count": 17209894,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.155497483,
            "variance": 1.335174432
          },
          {
            "average": 92.24138696,
            "count": 17209894,
            "maximum": 95,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.493861592,
            "variance": 2.231622455
          },
          {
            "average": 232136636,
            "count": 17209894,
            "maximum": 232137542.7,
            "minimum": 232135638.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 548.8425112,
            "variance": 301228.1021
          },
          {
            "average": 1.093862751,
            "count": 17209894,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.155497483,
            "variance": 1.335174432
          },
          {
            "average": 0,
            "count": 17209894,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17209894,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.23861373,
            "count": 17209894,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4262361181,
            "variance": 0.1816772284
          },
          {
            "average": 0,
            "count": 17209894,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          722299.9904,
          2044499.98,
          -114.1242072,
          723300.0104,
          2045500,
          591.7157928
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                722299.9904077495,
                2044499.9795460778,
                -114.12420718488397
              ],
              [
                722299.9904077495,
                2045499.9995460778,
                -114.12420718488397
              ],
              [
                723300.0104077496,
                2045499.9995460778,
                591.7157928151161
              ],
              [
                723300.0104077496,
                2044499.9795460778,
                591.7157928151161
              ],
              [
                722299.9904077495,
                2044499.9795460778,
                -114.12420718488397
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:25:42+00:00",
        "end_time": "2019-01-21T19:53:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_722300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_722300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_722300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.89472908,
            18.47910703,
            -114.1242072,
            -66.88515241,
            18.48824474,
            591.7157928
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.89472908271487,
                  18.479212505261927,
                  -114.12420718488397
                ],
                [
                  -66.8946187573135,
                  18.48824473555128,
                  -114.12420718488397
                ],
                [
                  -66.88515241335105,
                  18.48813920327096,
                  591.7157928151161
                ],
                [
                  -66.88526323390495,
                  18.479107028162034,
                  591.7157928151161
                ],
                [
                  -66.89472908271487,
                  18.479212505261927,
                  -114.12420718488397
                ]
              ]
            ]
          },
          "id": "20190121_722300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_722300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:25:42Z",
            "pc:count": 17209894,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 722739.1579,
                "count": 17209894,
                "maximum": 723300.0104,
                "minimum": 722299.9904,
                "name": "X",
                "position": 0,
                "stddev": 282.8890061,
                "variance": 80026.18975
              },
              {
                "average": 2045122.35,
                "count": 17209894,
                "maximum": 2045500,
                "minimum": 2044499.98,
                "name": "Y",
                "position": 1,
                "stddev": 252.1222173,
                "variance": 63565.61246
              },
              {
                "average": 21.40202851,
                "count": 17209894,
                "maximum": 591.7157928,
                "minimum": -114.1242072,
                "name": "Z",
                "position": 2,
                "stddev": 18.25522335,
                "variance": 333.2531795
              },
              {
                "average": 1436.097832,
                "count": 17209894,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 617.9761759,
                "variance": 381894.5539
              },
              {
                "average": 1.491213078,
                "count": 17209894,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9628406162,
                "variance": 0.9270620523
              },
              {
                "average": 1.982399252,
                "count": 17209894,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.431272393,
                "variance": 2.048540663
              },
              {
                "average": 0.3749390903,
                "count": 17209894,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4841072014,
                "variance": 0.2343597825
              },
              {
                "average": 0.00165759301,
                "count": 17209894,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04067979218,
                "variance": 0.001654845492
              },
              {
                "average": 8.15295806,
                "count": 17209894,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 15.67341003,
                "variance": 245.655782
              },
              {
                "average": 0.3832366929,
                "count": 17209894,
                "maximum": 23.98800087,
                "minimum": -22.20000076,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.71233105,
                "variance": 188.0280227
              },
              {
                "average": 1.093862751,
                "count": 17209894,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.155497483,
                "variance": 1.335174432
              },
              {
                "average": 92.24138696,
                "count": 17209894,
                "maximum": 95,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.493861592,
                "variance": 2.231622455
              },
              {
                "average": 232136636,
                "count": 17209894,
                "maximum": 232137542.7,
                "minimum": 232135638.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 548.8425112,
                "variance": 301228.1021
              },
              {
                "average": 1.093862751,
                "count": 17209894,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.155497483,
                "variance": 1.335174432
              },
              {
                "average": 0,
                "count": 17209894,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17209894,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.23861373,
                "count": 17209894,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4262361181,
                "variance": 0.1816772284
              },
              {
                "average": 0,
                "count": 17209894,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              722299.9904,
              2044499.98,
              -114.1242072,
              723300.0104,
              2045500,
              591.7157928
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    722299.9904077495,
                    2044499.9795460778,
                    -114.12420718488397
                  ],
                  [
                    722299.9904077495,
                    2045499.9995460778,
                    -114.12420718488397
                  ],
                  [
                    723300.0104077496,
                    2045499.9995460778,
                    591.7157928151161
                  ],
                  [
                    723300.0104077496,
                    2044499.9795460778,
                    591.7157928151161
                  ],
                  [
                    722299.9904077495,
                    2044499.9795460778,
                    -114.12420718488397
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:25:42+00:00",
            "end_time": "2019-01-21T19:53:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_695300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15031803128284,
              18.482526278900423,
              -113.63543924277803
            ],
            [
              -67.15022799674622,
              18.49091527860391,
              -113.63543924277803
            ],
            [
              -67.14768172879305,
              18.490890377040145,
              534.244560757222
            ],
            [
              -67.14777188709235,
              18.482501389428403,
              534.244560757222
            ],
            [
              -67.15031803128284,
              18.482526278900423,
              -113.63543924277803
            ]
          ]
        ]
      },
      "bbox": [
        -67.15031803,
        18.48250139,
        -113.6354392,
        -67.14768173,
        18.49091528,
        534.2445608
      ],
      "properties": {
        "datetime": "2019-01-27T14:28:29Z",
        "pc:count": 1980879,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 695380.2758,
            "count": 1980879,
            "maximum": 695568.9345,
            "minimum": 695299.9945,
            "name": "X",
            "position": 0,
            "stddev": 55.37136442,
            "variance": 3065.987998
          },
          {
            "average": 2045128.563,
            "count": 1980879,
            "maximum": 2045499.992,
            "minimum": 2044571.332,
            "name": "Y",
            "position": 1,
            "stddev": 215.3942638,
            "variance": 46394.68889
          },
          {
            "average": 74.17989417,
            "count": 1980879,
            "maximum": 534.2445608,
            "minimum": -113.6354392,
            "name": "Z",
            "position": 2,
            "stddev": 8.269371101,
            "variance": 68.3824984
          },
          {
            "average": 1705.440681,
            "count": 1980879,
            "maximum": 3225,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 487.6373861,
            "variance": 237790.2204
          },
          {
            "average": 1.610119548,
            "count": 1980879,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.198891534,
            "variance": 1.43734091
          },
          {
            "average": 2.218051683,
            "count": 1980879,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.823291403,
            "variance": 3.32439154
          },
          {
            "average": 0.334485852,
            "count": 1980879,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4718105331,
            "variance": 0.2226051792
          },
          {
            "average": 0.002274242899,
            "count": 1980879,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04763477578,
            "variance": 0.002269071864
          },
          {
            "average": 1.331794118,
            "count": 1980879,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5127237099,
            "variance": 0.2628856027
          },
          {
            "average": -14.15728768,
            "count": 1980879,
            "maximum": 19.94400024,
            "minimum": -21.63599968,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.827333736,
            "variance": 33.95781848
          },
          {
            "average": 1.163787389,
            "count": 1980879,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.21160642,
            "variance": 1.467990118
          },
          {
            "average": 109.9999995,
            "count": 1980879,
            "maximum": 110,
            "minimum": 109,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.00071051136,
            "variance": 5.048263927e-07
          },
          {
            "average": 232634501.3,
            "count": 1980879,
            "maximum": 232634509.4,
            "minimum": 232634290,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3.477331713,
            "variance": 12.09183584
          },
          {
            "average": 1.163787389,
            "count": 1980879,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.21160642,
            "variance": 1.467990118
          },
          {
            "average": 0,
            "count": 1980879,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1980879,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.3347675451,
            "count": 1980879,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4719092585,
            "variance": 0.2226983483
          },
          {
            "average": 0,
            "count": 1980879,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          695299.9945,
          2044571.332,
          -113.6354392,
          695568.9345,
          2045499.992,
          534.2445608
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                695299.9945444928,
                2044571.3316101565,
                -113.63543924277803
              ],
              [
                695299.9945444928,
                2045499.9916101566,
                -113.63543924277803
              ],
              [
                695568.9345444927,
                2045499.9916101566,
                534.244560757222
              ],
              [
                695568.9345444927,
                2044571.3316101565,
                534.244560757222
              ],
              [
                695299.9945444928,
                2044571.3316101565,
                -113.63543924277803
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:28:29+00:00",
        "end_time": "2019-01-27T14:24:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_695300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_695300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_695300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15031803,
            18.48250139,
            -113.6354392,
            -67.14768173,
            18.49091528,
            534.2445608
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15031803128284,
                  18.482526278900423,
                  -113.63543924277803
                ],
                [
                  -67.15022799674622,
                  18.49091527860391,
                  -113.63543924277803
                ],
                [
                  -67.14768172879305,
                  18.490890377040145,
                  534.244560757222
                ],
                [
                  -67.14777188709235,
                  18.482501389428403,
                  534.244560757222
                ],
                [
                  -67.15031803128284,
                  18.482526278900423,
                  -113.63543924277803
                ]
              ]
            ]
          },
          "id": "20190127_695300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_695300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:28:29Z",
            "pc:count": 1980879,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 695380.2758,
                "count": 1980879,
                "maximum": 695568.9345,
                "minimum": 695299.9945,
                "name": "X",
                "position": 0,
                "stddev": 55.37136442,
                "variance": 3065.987998
              },
              {
                "average": 2045128.563,
                "count": 1980879,
                "maximum": 2045499.992,
                "minimum": 2044571.332,
                "name": "Y",
                "position": 1,
                "stddev": 215.3942638,
                "variance": 46394.68889
              },
              {
                "average": 74.17989417,
                "count": 1980879,
                "maximum": 534.2445608,
                "minimum": -113.6354392,
                "name": "Z",
                "position": 2,
                "stddev": 8.269371101,
                "variance": 68.3824984
              },
              {
                "average": 1705.440681,
                "count": 1980879,
                "maximum": 3225,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 487.6373861,
                "variance": 237790.2204
              },
              {
                "average": 1.610119548,
                "count": 1980879,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.198891534,
                "variance": 1.43734091
              },
              {
                "average": 2.218051683,
                "count": 1980879,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.823291403,
                "variance": 3.32439154
              },
              {
                "average": 0.334485852,
                "count": 1980879,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4718105331,
                "variance": 0.2226051792
              },
              {
                "average": 0.002274242899,
                "count": 1980879,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04763477578,
                "variance": 0.002269071864
              },
              {
                "average": 1.331794118,
                "count": 1980879,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5127237099,
                "variance": 0.2628856027
              },
              {
                "average": -14.15728768,
                "count": 1980879,
                "maximum": 19.94400024,
                "minimum": -21.63599968,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.827333736,
                "variance": 33.95781848
              },
              {
                "average": 1.163787389,
                "count": 1980879,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.21160642,
                "variance": 1.467990118
              },
              {
                "average": 109.9999995,
                "count": 1980879,
                "maximum": 110,
                "minimum": 109,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.00071051136,
                "variance": 5.048263927e-07
              },
              {
                "average": 232634501.3,
                "count": 1980879,
                "maximum": 232634509.4,
                "minimum": 232634290,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3.477331713,
                "variance": 12.09183584
              },
              {
                "average": 1.163787389,
                "count": 1980879,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.21160642,
                "variance": 1.467990118
              },
              {
                "average": 0,
                "count": 1980879,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1980879,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.3347675451,
                "count": 1980879,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4719092585,
                "variance": 0.2226983483
              },
              {
                "average": 0,
                "count": 1980879,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              695299.9945,
              2044571.332,
              -113.6354392,
              695568.9345,
              2045499.992,
              534.2445608
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    695299.9945444928,
                    2044571.3316101565,
                    -113.63543924277803
                  ],
                  [
                    695299.9945444928,
                    2045499.9916101566,
                    -113.63543924277803
                  ],
                  [
                    695568.9345444927,
                    2045499.9916101566,
                    534.244560757222
                  ],
                  [
                    695568.9345444927,
                    2044571.3316101565,
                    534.244560757222
                  ],
                  [
                    695299.9945444928,
                    2044571.3316101565,
                    -113.63543924277803
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:28:29+00:00",
            "end_time": "2019-01-27T14:24:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_695300e_2049500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.14842100283325,
              18.51800061769008,
              -53.286468986528675
            ],
            [
              -67.14840904189263,
              18.519111907279864,
              -53.286468986528675
            ],
            [
              -67.14045538435631,
              18.519033831627944,
              212.7135310134713
            ],
            [
              -67.1404673966041,
              18.517922547053995,
              212.7135310134713
            ],
            [
              -67.14842100283325,
              18.51800061769008,
              -53.286468986528675
            ]
          ]
        ]
      },
      "bbox": [
        -67.148421,
        18.51792255,
        -53.28646899,
        -67.14045538,
        18.51911191,
        212.713531
      ],
      "properties": {
        "datetime": "2019-01-21T18:26:54Z",
        "pc:count": 340643,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 695945.9967,
            "count": 340643,
            "maximum": 696300.0113,
            "minimum": 695460.0713,
            "name": "X",
            "position": 0,
            "stddev": 212.5999079,
            "variance": 45198.72086
          },
          {
            "average": 2048557.234,
            "count": 340643,
            "maximum": 2048623,
            "minimum": 2048499.98,
            "name": "Y",
            "position": 1,
            "stddev": 30.91060887,
            "variance": 955.465741
          },
          {
            "average": -0.194276251,
            "count": 340643,
            "maximum": 212.713531,
            "minimum": -53.28646899,
            "name": "Z",
            "position": 2,
            "stddev": 0.7864955324,
            "variance": 0.6185752225
          },
          {
            "average": 522.389713,
            "count": 340643,
            "maximum": 2733,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 513.9634576,
            "variance": 264158.4357
          },
          {
            "average": 1.067818802,
            "count": 340643,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.26363204,
            "variance": 0.06950185252
          },
          {
            "average": 1.135285328,
            "count": 340643,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3684002758,
            "variance": 0.1357187632
          },
          {
            "average": 0.4716638827,
            "count": 340643,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4991971514,
            "variance": 0.249197796
          },
          {
            "average": 0.008566152834,
            "count": 340643,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.09215638226,
            "variance": 0.008492798792
          },
          {
            "average": 18.1355877,
            "count": 340643,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.36107337,
            "variance": 456.2954557
          },
          {
            "average": -15.97648524,
            "count": 340643,
            "maximum": -9.31799984,
            "minimum": -22.63199997,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.277271497,
            "variance": 10.74050847
          },
          {
            "average": 0.6601750219,
            "count": 340643,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7754792107,
            "variance": 0.6013680062
          },
          {
            "average": 80,
            "count": 340643,
            "maximum": 80,
            "minimum": 80,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232130406.9,
            "count": 340643,
            "maximum": 232130414.1,
            "minimum": 232130402.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.919856813,
            "variance": 8.52556381
          },
          {
            "average": 0.6601750219,
            "count": 340643,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7754792107,
            "variance": 0.6013680062
          },
          {
            "average": 0,
            "count": 340643,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 340643,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.3579201686,
            "count": 340643,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4793891907,
            "variance": 0.2298139962
          },
          {
            "average": 0,
            "count": 340643,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          695460.0713,
          2048499.98,
          -53.28646899,
          696300.0113,
          2048623,
          212.713531
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                695460.0713461214,
                2048499.9801468516,
                -53.286468986528675
              ],
              [
                695460.0713461214,
                2048623.0001468516,
                -53.286468986528675
              ],
              [
                696300.0113461213,
                2048623.0001468516,
                212.7135310134713
              ],
              [
                696300.0113461213,
                2048499.9801468516,
                212.7135310134713
              ],
              [
                695460.0713461214,
                2048499.9801468516,
                -53.286468986528675
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:26:54+00:00",
        "end_time": "2019-01-21T18:26:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_695300e_2049500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_695300e_2049500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_695300e_2049500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_695300e_2049500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.148421,
            18.51792255,
            -53.28646899,
            -67.14045538,
            18.51911191,
            212.713531
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.14842100283325,
                  18.51800061769008,
                  -53.286468986528675
                ],
                [
                  -67.14840904189263,
                  18.519111907279864,
                  -53.286468986528675
                ],
                [
                  -67.14045538435631,
                  18.519033831627944,
                  212.7135310134713
                ],
                [
                  -67.1404673966041,
                  18.517922547053995,
                  212.7135310134713
                ],
                [
                  -67.14842100283325,
                  18.51800061769008,
                  -53.286468986528675
                ]
              ]
            ]
          },
          "id": "20190121_695300e_2049500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_695300e_2049500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:26:54Z",
            "pc:count": 340643,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 695945.9967,
                "count": 340643,
                "maximum": 696300.0113,
                "minimum": 695460.0713,
                "name": "X",
                "position": 0,
                "stddev": 212.5999079,
                "variance": 45198.72086
              },
              {
                "average": 2048557.234,
                "count": 340643,
                "maximum": 2048623,
                "minimum": 2048499.98,
                "name": "Y",
                "position": 1,
                "stddev": 30.91060887,
                "variance": 955.465741
              },
              {
                "average": -0.194276251,
                "count": 340643,
                "maximum": 212.713531,
                "minimum": -53.28646899,
                "name": "Z",
                "position": 2,
                "stddev": 0.7864955324,
                "variance": 0.6185752225
              },
              {
                "average": 522.389713,
                "count": 340643,
                "maximum": 2733,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 513.9634576,
                "variance": 264158.4357
              },
              {
                "average": 1.067818802,
                "count": 340643,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.26363204,
                "variance": 0.06950185252
              },
              {
                "average": 1.135285328,
                "count": 340643,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3684002758,
                "variance": 0.1357187632
              },
              {
                "average": 0.4716638827,
                "count": 340643,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4991971514,
                "variance": 0.249197796
              },
              {
                "average": 0.008566152834,
                "count": 340643,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.09215638226,
                "variance": 0.008492798792
              },
              {
                "average": 18.1355877,
                "count": 340643,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.36107337,
                "variance": 456.2954557
              },
              {
                "average": -15.97648524,
                "count": 340643,
                "maximum": -9.31799984,
                "minimum": -22.63199997,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.277271497,
                "variance": 10.74050847
              },
              {
                "average": 0.6601750219,
                "count": 340643,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7754792107,
                "variance": 0.6013680062
              },
              {
                "average": 80,
                "count": 340643,
                "maximum": 80,
                "minimum": 80,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232130406.9,
                "count": 340643,
                "maximum": 232130414.1,
                "minimum": 232130402.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.919856813,
                "variance": 8.52556381
              },
              {
                "average": 0.6601750219,
                "count": 340643,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7754792107,
                "variance": 0.6013680062
              },
              {
                "average": 0,
                "count": 340643,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 340643,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.3579201686,
                "count": 340643,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4793891907,
                "variance": 0.2298139962
              },
              {
                "average": 0,
                "count": 340643,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              695460.0713,
              2048499.98,
              -53.28646899,
              696300.0113,
              2048623,
              212.713531
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    695460.0713461214,
                    2048499.9801468516,
                    -53.286468986528675
                  ],
                  [
                    695460.0713461214,
                    2048623.0001468516,
                    -53.286468986528675
                  ],
                  [
                    696300.0113461213,
                    2048623.0001468516,
                    212.7135310134713
                  ],
                  [
                    696300.0113461213,
                    2048499.9801468516,
                    212.7135310134713
                  ],
                  [
                    695460.0713461214,
                    2048499.9801468516,
                    -53.286468986528675
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:26:54+00:00",
            "end_time": "2019-01-21T18:26:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_730300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.81877688389314,
              18.496418711001876,
              -110.36912167816541
            ],
            [
              -66.81873363339571,
              18.49983337289211,
              -110.36912167816541
            ],
            [
              -66.80926731513131,
              18.49972398338407,
              538.4908783218345
            ],
            [
              -66.8093107529632,
              18.496309343106464,
              538.4908783218345
            ],
            [
              -66.81877688389314,
              18.496418711001876,
              -110.36912167816541
            ]
          ]
        ]
      },
      "bbox": [
        -66.81877688,
        18.49630934,
        -110.3691217,
        -66.80926732,
        18.49983337,
        538.4908783
      ],
      "properties": {
        "datetime": "2019-01-21T19:25:29Z",
        "pc:count": 2049705,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 730775.0997,
            "count": 2049705,
            "maximum": 731300.0002,
            "minimum": 730300.0002,
            "name": "X",
            "position": 0,
            "stddev": 291.2112868,
            "variance": 84804.01353
          },
          {
            "average": 2046646.763,
            "count": 2049705,
            "maximum": 2046878.064,
            "minimum": 2046499.984,
            "name": "Y",
            "position": 1,
            "stddev": 97.37057249,
            "variance": 9481.028388
          },
          {
            "average": 0.09235538317,
            "count": 2049705,
            "maximum": 538.4908783,
            "minimum": -110.3691217,
            "name": "Z",
            "position": 2,
            "stddev": 9.312329254,
            "variance": 86.71947614
          },
          {
            "average": 668.1949944,
            "count": 2049705,
            "maximum": 2826,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 537.225081,
            "variance": 288610.7876
          },
          {
            "average": 1.057258484,
            "count": 2049705,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2446009016,
            "variance": 0.05982960105
          },
          {
            "average": 1.114636009,
            "count": 2049705,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3450268381,
            "variance": 0.119043519
          },
          {
            "average": 0.4192857021,
            "count": 2049705,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4934423177,
            "variance": 0.2434853209
          },
          {
            "average": 0.004623592175,
            "count": 2049705,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06783964045,
            "variance": 0.004602216816
          },
          {
            "average": 19.98932773,
            "count": 2049705,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.68896936,
            "variance": 470.4113919
          },
          {
            "average": 0.9033757171,
            "count": 2049705,
            "maximum": 23.1779995,
            "minimum": -23.86800003,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.69449081,
            "variance": 161.1500969
          },
          {
            "average": 0.9814290349,
            "count": 2049705,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.068884141,
            "variance": 1.142513307
          },
          {
            "average": 86.25137422,
            "count": 2049705,
            "maximum": 87,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.433803313,
            "variance": 0.1881853144
          },
          {
            "average": 232133664.6,
            "count": 2049705,
            "maximum": 232133929.3,
            "minimum": 232133568.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 148.459099,
            "variance": 22040.10407
          },
          {
            "average": 0.9814290349,
            "count": 2049705,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.068884141,
            "variance": 1.142513307
          },
          {
            "average": 0,
            "count": 2049705,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2049705,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1600279065,
            "count": 2049705,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3666320242,
            "variance": 0.1344190412
          },
          {
            "average": 0,
            "count": 2049705,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          730300.0002,
          2046499.984,
          -110.3691217,
          731300.0002,
          2046878.064,
          538.4908783
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                730300.0002217281,
                2046499.9838673528,
                -110.36912167816541
              ],
              [
                730300.0002217281,
                2046878.063867353,
                -110.36912167816541
              ],
              [
                731300.0002217281,
                2046878.063867353,
                538.4908783218345
              ],
              [
                731300.0002217281,
                2046499.9838673528,
                538.4908783218345
              ],
              [
                730300.0002217281,
                2046499.9838673528,
                -110.36912167816541
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:25:29+00:00",
        "end_time": "2019-01-21T19:19:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_730300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_730300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_730300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_730300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.81877688,
            18.49630934,
            -110.3691217,
            -66.80926732,
            18.49983337,
            538.4908783
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.81877688389314,
                  18.496418711001876,
                  -110.36912167816541
                ],
                [
                  -66.81873363339571,
                  18.49983337289211,
                  -110.36912167816541
                ],
                [
                  -66.80926731513131,
                  18.49972398338407,
                  538.4908783218345
                ],
                [
                  -66.8093107529632,
                  18.496309343106464,
                  538.4908783218345
                ],
                [
                  -66.81877688389314,
                  18.496418711001876,
                  -110.36912167816541
                ]
              ]
            ]
          },
          "id": "20190121_730300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_730300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:25:29Z",
            "pc:count": 2049705,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 730775.0997,
                "count": 2049705,
                "maximum": 731300.0002,
                "minimum": 730300.0002,
                "name": "X",
                "position": 0,
                "stddev": 291.2112868,
                "variance": 84804.01353
              },
              {
                "average": 2046646.763,
                "count": 2049705,
                "maximum": 2046878.064,
                "minimum": 2046499.984,
                "name": "Y",
                "position": 1,
                "stddev": 97.37057249,
                "variance": 9481.028388
              },
              {
                "average": 0.09235538317,
                "count": 2049705,
                "maximum": 538.4908783,
                "minimum": -110.3691217,
                "name": "Z",
                "position": 2,
                "stddev": 9.312329254,
                "variance": 86.71947614
              },
              {
                "average": 668.1949944,
                "count": 2049705,
                "maximum": 2826,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 537.225081,
                "variance": 288610.7876
              },
              {
                "average": 1.057258484,
                "count": 2049705,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2446009016,
                "variance": 0.05982960105
              },
              {
                "average": 1.114636009,
                "count": 2049705,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3450268381,
                "variance": 0.119043519
              },
              {
                "average": 0.4192857021,
                "count": 2049705,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4934423177,
                "variance": 0.2434853209
              },
              {
                "average": 0.004623592175,
                "count": 2049705,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06783964045,
                "variance": 0.004602216816
              },
              {
                "average": 19.98932773,
                "count": 2049705,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.68896936,
                "variance": 470.4113919
              },
              {
                "average": 0.9033757171,
                "count": 2049705,
                "maximum": 23.1779995,
                "minimum": -23.86800003,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.69449081,
                "variance": 161.1500969
              },
              {
                "average": 0.9814290349,
                "count": 2049705,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.068884141,
                "variance": 1.142513307
              },
              {
                "average": 86.25137422,
                "count": 2049705,
                "maximum": 87,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.433803313,
                "variance": 0.1881853144
              },
              {
                "average": 232133664.6,
                "count": 2049705,
                "maximum": 232133929.3,
                "minimum": 232133568.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 148.459099,
                "variance": 22040.10407
              },
              {
                "average": 0.9814290349,
                "count": 2049705,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.068884141,
                "variance": 1.142513307
              },
              {
                "average": 0,
                "count": 2049705,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2049705,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1600279065,
                "count": 2049705,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3666320242,
                "variance": 0.1344190412
              },
              {
                "average": 0,
                "count": 2049705,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              730300.0002,
              2046499.984,
              -110.3691217,
              731300.0002,
              2046878.064,
              538.4908783
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    730300.0002217281,
                    2046499.9838673528,
                    -110.36912167816541
                  ],
                  [
                    730300.0002217281,
                    2046878.063867353,
                    -110.36912167816541
                  ],
                  [
                    731300.0002217281,
                    2046878.063867353,
                    538.4908783218345
                  ],
                  [
                    731300.0002217281,
                    2046499.9838673528,
                    538.4908783218345
                  ],
                  [
                    730300.0002217281,
                    2046499.9838673528,
                    -110.36912167816541
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:25:29+00:00",
            "end_time": "2019-01-21T19:19:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2035500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18914130645781,
              18.391910985555313,
              -141.92048583874356
            ],
            [
              -67.18904688447161,
              18.400944894416668,
              -141.92048583874356
            ],
            [
              -67.17958364488672,
              18.40085449514471,
              539.5795141612564
            ],
            [
              -67.17967855961795,
              18.391820633753145,
              539.5795141612564
            ],
            [
              -67.18914130645781,
              18.391910985555313,
              -141.92048583874356
            ]
          ]
        ]
      },
      "bbox": [
        -67.18914131,
        18.39182063,
        -141.9204858,
        -67.17958364,
        18.40094489,
        539.5795142
      ],
      "properties": {
        "datetime": "2019-01-27T14:22:17Z",
        "pc:count": 22687810,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691763.0466,
            "count": 22687810,
            "maximum": 692300.0103,
            "minimum": 691299.9903,
            "name": "X",
            "position": 0,
            "stddev": 261.3143492,
            "variance": 68285.18911
          },
          {
            "average": 2035006.222,
            "count": 22687810,
            "maximum": 2035500,
            "minimum": 2034499.98,
            "name": "Y",
            "position": 1,
            "stddev": 286.0379714,
            "variance": 81817.72106
          },
          {
            "average": 3.999965064,
            "count": 22687810,
            "maximum": 539.5795142,
            "minimum": -141.9204858,
            "name": "Z",
            "position": 2,
            "stddev": 7.397676234,
            "variance": 54.72561366
          },
          {
            "average": 1409.255011,
            "count": 22687810,
            "maximum": 4608,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 525.1791834,
            "variance": 275813.1747
          },
          {
            "average": 1.771771052,
            "count": 22687810,
            "maximum": 10,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.301913664,
            "variance": 1.694979188
          },
          {
            "average": 2.543500761,
            "count": 22687810,
            "maximum": 10,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.928014487,
            "variance": 3.717239862
          },
          {
            "average": 0.3668119576,
            "count": 22687810,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4819345968,
            "variance": 0.2322609556
          },
          {
            "average": 0.001442272304,
            "count": 22687810,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03794986453,
            "variance": 0.001440192218
          },
          {
            "average": 2.010795886,
            "count": 22687810,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.799647232,
            "variance": 33.63590802
          },
          {
            "average": -2.664546053,
            "count": 22687810,
            "maximum": 20.64599991,
            "minimum": -21.66600037,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.42842727,
            "variance": 180.3226589
          },
          {
            "average": 1.121808143,
            "count": 22687810,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.171898726,
            "variance": 1.373346624
          },
          {
            "average": 106.8589569,
            "count": 22687810,
            "maximum": 109,
            "minimum": 105,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.047539061,
            "variance": 1.097338085
          },
          {
            "average": 232546512,
            "count": 22687810,
            "maximum": 232634137.2,
            "minimum": 232542220.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 17413.59343,
            "variance": 303233236
          },
          {
            "average": 1.121806336,
            "count": 22687810,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.171898331,
            "variance": 1.373345698
          },
          {
            "average": 0,
            "count": 22687810,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22687810,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2430301118,
            "count": 22687810,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4289131435,
            "variance": 0.1839664846
          },
          {
            "average": 0,
            "count": 22687810,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691299.9903,
          2034499.98,
          -141.9204858,
          692300.0103,
          2035500,
          539.5795142
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691299.9903166902,
                2034499.9795437844,
                -141.92048583874356
              ],
              [
                691299.9903166902,
                2035499.9995437844,
                -141.92048583874356
              ],
              [
                692300.0103166902,
                2035499.9995437844,
                539.5795141612564
              ],
              [
                692300.0103166902,
                2034499.9795437844,
                539.5795141612564
              ],
              [
                691299.9903166902,
                2034499.9795437844,
                -141.92048583874356
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:22:17+00:00",
        "end_time": "2019-01-26T12:50:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2035500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2035500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2035500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2035500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18914131,
            18.39182063,
            -141.9204858,
            -67.17958364,
            18.40094489,
            539.5795142
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18914130645781,
                  18.391910985555313,
                  -141.92048583874356
                ],
                [
                  -67.18904688447161,
                  18.400944894416668,
                  -141.92048583874356
                ],
                [
                  -67.17958364488672,
                  18.40085449514471,
                  539.5795141612564
                ],
                [
                  -67.17967855961795,
                  18.391820633753145,
                  539.5795141612564
                ],
                [
                  -67.18914130645781,
                  18.391910985555313,
                  -141.92048583874356
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2035500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2035500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:22:17Z",
            "pc:count": 22687810,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691763.0466,
                "count": 22687810,
                "maximum": 692300.0103,
                "minimum": 691299.9903,
                "name": "X",
                "position": 0,
                "stddev": 261.3143492,
                "variance": 68285.18911
              },
              {
                "average": 2035006.222,
                "count": 22687810,
                "maximum": 2035500,
                "minimum": 2034499.98,
                "name": "Y",
                "position": 1,
                "stddev": 286.0379714,
                "variance": 81817.72106
              },
              {
                "average": 3.999965064,
                "count": 22687810,
                "maximum": 539.5795142,
                "minimum": -141.9204858,
                "name": "Z",
                "position": 2,
                "stddev": 7.397676234,
                "variance": 54.72561366
              },
              {
                "average": 1409.255011,
                "count": 22687810,
                "maximum": 4608,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 525.1791834,
                "variance": 275813.1747
              },
              {
                "average": 1.771771052,
                "count": 22687810,
                "maximum": 10,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.301913664,
                "variance": 1.694979188
              },
              {
                "average": 2.543500761,
                "count": 22687810,
                "maximum": 10,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.928014487,
                "variance": 3.717239862
              },
              {
                "average": 0.3668119576,
                "count": 22687810,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4819345968,
                "variance": 0.2322609556
              },
              {
                "average": 0.001442272304,
                "count": 22687810,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03794986453,
                "variance": 0.001440192218
              },
              {
                "average": 2.010795886,
                "count": 22687810,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.799647232,
                "variance": 33.63590802
              },
              {
                "average": -2.664546053,
                "count": 22687810,
                "maximum": 20.64599991,
                "minimum": -21.66600037,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.42842727,
                "variance": 180.3226589
              },
              {
                "average": 1.121808143,
                "count": 22687810,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.171898726,
                "variance": 1.373346624
              },
              {
                "average": 106.8589569,
                "count": 22687810,
                "maximum": 109,
                "minimum": 105,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.047539061,
                "variance": 1.097338085
              },
              {
                "average": 232546512,
                "count": 22687810,
                "maximum": 232634137.2,
                "minimum": 232542220.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 17413.59343,
                "variance": 303233236
              },
              {
                "average": 1.121806336,
                "count": 22687810,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.171898331,
                "variance": 1.373345698
              },
              {
                "average": 0,
                "count": 22687810,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22687810,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2430301118,
                "count": 22687810,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4289131435,
                "variance": 0.1839664846
              },
              {
                "average": 0,
                "count": 22687810,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691299.9903,
              2034499.98,
              -141.9204858,
              692300.0103,
              2035500,
              539.5795142
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691299.9903166902,
                    2034499.9795437844,
                    -141.92048583874356
                  ],
                  [
                    691299.9903166902,
                    2035499.9995437844,
                    -141.92048583874356
                  ],
                  [
                    692300.0103166902,
                    2035499.9995437844,
                    539.5795141612564
                  ],
                  [
                    692300.0103166902,
                    2034499.9795437844,
                    539.5795141612564
                  ],
                  [
                    691299.9903166902,
                    2034499.9795437844,
                    -141.92048583874356
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:22:17+00:00",
            "end_time": "2019-01-26T12:50:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_718300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.93259235246714,
              18.479629816583895,
              -100.66506201766097
            ],
            [
              -66.93248400995574,
              18.48866208447437,
              -100.66506201766097
            ],
            [
              -66.92301741333947,
              18.488558442849083,
              591.1749379823391
            ],
            [
              -66.92312625105451,
              18.479526229149617,
              591.1749379823391
            ],
            [
              -66.93259235246714,
              18.479629816583895,
              -100.66506201766097
            ]
          ]
        ]
      },
      "bbox": [
        -66.93259235,
        18.47952623,
        -100.665062,
        -66.92301741,
        18.48866208,
        591.174938
      ],
      "properties": {
        "datetime": "2019-05-25T11:47:46Z",
        "pc:count": 25667112,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 718835.2511,
            "count": 25667112,
            "maximum": 719300.0104,
            "minimum": 718299.9904,
            "name": "X",
            "position": 0,
            "stddev": 297.7687688,
            "variance": 88666.23967
          },
          {
            "average": 2045141.542,
            "count": 25667112,
            "maximum": 2045499.995,
            "minimum": 2044499.995,
            "name": "Y",
            "position": 1,
            "stddev": 228.6613854,
            "variance": 52286.02916
          },
          {
            "average": 58.58273288,
            "count": 25667112,
            "maximum": 591.174938,
            "minimum": -100.665062,
            "name": "Z",
            "position": 2,
            "stddev": 33.71771325,
            "variance": 1136.884187
          },
          {
            "average": 1287.790557,
            "count": 25667112,
            "maximum": 4714,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 590.8341527,
            "variance": 349084.9959
          },
          {
            "average": 1.890530575,
            "count": 25667112,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.293052954,
            "variance": 1.671985941
          },
          {
            "average": 2.780779661,
            "count": 25667112,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.825491248,
            "variance": 3.332418296
          },
          {
            "average": 0.3738567471,
            "count": 25667112,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4838263003,
            "variance": 0.2340878889
          },
          {
            "average": 0.001297419047,
            "count": 25667112,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03599633039,
            "variance": 0.001295735802
          },
          {
            "average": 5.139955715,
            "count": 25667112,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.39257711,
            "variance": 153.5759675
          },
          {
            "average": 2.262372504,
            "count": 25667112,
            "maximum": 24.05400085,
            "minimum": -24.6060009,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.59818979,
            "variance": 184.9107656
          },
          {
            "average": 0.9670490003,
            "count": 25667112,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.103741591,
            "variance": 1.2182455
          },
          {
            "average": 203.2461066,
            "count": 25667112,
            "maximum": 815,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 260.393801,
            "variance": 67804.93161
          },
          {
            "average": 233775384.4,
            "count": 25667112,
            "maximum": 242820066.6,
            "minimum": 232135579.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3849830.959,
            "variance": 14821198410000.0
          },
          {
            "average": 0.9670468575,
            "count": 25667112,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.103742498,
            "variance": 1.218247501
          },
          {
            "average": 0,
            "count": 25667112,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 25667112,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2520095366,
            "count": 25667112,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4341667161,
            "variance": 0.1885007374
          },
          {
            "average": 0,
            "count": 25667112,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          718299.9904,
          2044499.995,
          -100.665062,
          719300.0104,
          2045499.995,
          591.174938
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                718299.9903565573,
                2044499.9945342299,
                -100.66506201766097
              ],
              [
                718299.9903565573,
                2045499.9945342299,
                -100.66506201766097
              ],
              [
                719300.0103565573,
                2045499.9945342299,
                591.1749379823391
              ],
              [
                719300.0103565573,
                2044499.9945342299,
                591.1749379823391
              ],
              [
                718299.9903565573,
                2044499.9945342299,
                -100.66506201766097
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:47:46+00:00",
        "end_time": "2019-01-21T19:52:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_718300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_718300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_718300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.93259235,
            18.47952623,
            -100.665062,
            -66.92301741,
            18.48866208,
            591.174938
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.93259235246714,
                  18.479629816583895,
                  -100.66506201766097
                ],
                [
                  -66.93248400995574,
                  18.48866208447437,
                  -100.66506201766097
                ],
                [
                  -66.92301741333947,
                  18.488558442849083,
                  591.1749379823391
                ],
                [
                  -66.92312625105451,
                  18.479526229149617,
                  591.1749379823391
                ],
                [
                  -66.93259235246714,
                  18.479629816583895,
                  -100.66506201766097
                ]
              ]
            ]
          },
          "id": "20190121_718300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_718300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:47:46Z",
            "pc:count": 25667112,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 718835.2511,
                "count": 25667112,
                "maximum": 719300.0104,
                "minimum": 718299.9904,
                "name": "X",
                "position": 0,
                "stddev": 297.7687688,
                "variance": 88666.23967
              },
              {
                "average": 2045141.542,
                "count": 25667112,
                "maximum": 2045499.995,
                "minimum": 2044499.995,
                "name": "Y",
                "position": 1,
                "stddev": 228.6613854,
                "variance": 52286.02916
              },
              {
                "average": 58.58273288,
                "count": 25667112,
                "maximum": 591.174938,
                "minimum": -100.665062,
                "name": "Z",
                "position": 2,
                "stddev": 33.71771325,
                "variance": 1136.884187
              },
              {
                "average": 1287.790557,
                "count": 25667112,
                "maximum": 4714,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 590.8341527,
                "variance": 349084.9959
              },
              {
                "average": 1.890530575,
                "count": 25667112,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.293052954,
                "variance": 1.671985941
              },
              {
                "average": 2.780779661,
                "count": 25667112,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.825491248,
                "variance": 3.332418296
              },
              {
                "average": 0.3738567471,
                "count": 25667112,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4838263003,
                "variance": 0.2340878889
              },
              {
                "average": 0.001297419047,
                "count": 25667112,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03599633039,
                "variance": 0.001295735802
              },
              {
                "average": 5.139955715,
                "count": 25667112,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.39257711,
                "variance": 153.5759675
              },
              {
                "average": 2.262372504,
                "count": 25667112,
                "maximum": 24.05400085,
                "minimum": -24.6060009,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.59818979,
                "variance": 184.9107656
              },
              {
                "average": 0.9670490003,
                "count": 25667112,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.103741591,
                "variance": 1.2182455
              },
              {
                "average": 203.2461066,
                "count": 25667112,
                "maximum": 815,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 260.393801,
                "variance": 67804.93161
              },
              {
                "average": 233775384.4,
                "count": 25667112,
                "maximum": 242820066.6,
                "minimum": 232135579.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3849830.959,
                "variance": 14821198410000.0
              },
              {
                "average": 0.9670468575,
                "count": 25667112,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.103742498,
                "variance": 1.218247501
              },
              {
                "average": 0,
                "count": 25667112,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 25667112,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2520095366,
                "count": 25667112,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4341667161,
                "variance": 0.1885007374
              },
              {
                "average": 0,
                "count": 25667112,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              718299.9904,
              2044499.995,
              -100.665062,
              719300.0104,
              2045499.995,
              591.174938
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    718299.9903565573,
                    2044499.9945342299,
                    -100.66506201766097
                  ],
                  [
                    718299.9903565573,
                    2045499.9945342299,
                    -100.66506201766097
                  ],
                  [
                    719300.0103565573,
                    2045499.9945342299,
                    591.1749379823391
                  ],
                  [
                    719300.0103565573,
                    2044499.9945342299,
                    591.1749379823391
                  ],
                  [
                    718299.9903565573,
                    2044499.9945342299,
                    -100.66506201766097
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:47:46+00:00",
            "end_time": "2019-01-21T19:52:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2041500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.17910844747,
              18.4460226785158,
              -89.33747356498469
            ],
            [
              -67.17901320507443,
              18.455056304896335,
              -89.33747356498469
            ],
            [
              -67.16954705807444,
              18.454965148671373,
              501.6625264350153
            ],
            [
              -67.16964279490226,
              18.445931570035572,
              501.6625264350153
            ],
            [
              -67.17910844747,
              18.4460226785158,
              -89.33747356498469
            ]
          ]
        ]
      },
      "bbox": [
        -67.17910845,
        18.44593157,
        -89.33747356,
        -67.16954706,
        18.4550563,
        501.6625264
      ],
      "properties": {
        "datetime": "2019-01-26T13:12:14Z",
        "pc:count": 3813907,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692774.1633,
            "count": 3813907,
            "maximum": 693300.0103,
            "minimum": 692299.9903,
            "name": "X",
            "position": 0,
            "stddev": 293.2941669,
            "variance": 86021.46832
          },
          {
            "average": 2040999.291,
            "count": 3813907,
            "maximum": 2041499.99,
            "minimum": 2040499.99,
            "name": "Y",
            "position": 1,
            "stddev": 286.973321,
            "variance": 82353.68695
          },
          {
            "average": 0.4290977096,
            "count": 3813907,
            "maximum": 501.6625264,
            "minimum": -89.33747356,
            "name": "Z",
            "position": 2,
            "stddev": 18.09005294,
            "variance": 327.2500154
          },
          {
            "average": 563.6021466,
            "count": 3813907,
            "maximum": 4505,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 675.0739461,
            "variance": 455724.8327
          },
          {
            "average": 1.144502737,
            "count": 3813907,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.466199442,
            "variance": 0.2173419197
          },
          {
            "average": 1.289190586,
            "count": 3813907,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6977411609,
            "variance": 0.4868427276
          },
          {
            "average": 0.437975808,
            "count": 3813907,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4961381503,
            "variance": 0.2461530641
          },
          {
            "average": 0.009588068089,
            "count": 3813907,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.09744813764,
            "variance": 0.009496139529
          },
          {
            "average": 23.02562621,
            "count": 3813907,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.61284502,
            "variance": 467.1150698
          },
          {
            "average": -1.496340361,
            "count": 3813907,
            "maximum": 20.60400009,
            "minimum": -21.6060009,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 11.96286505,
            "variance": 143.1101403
          },
          {
            "average": 1.488188621,
            "count": 3813907,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.172138744,
            "variance": 1.373909236
          },
          {
            "average": 104.7617522,
            "count": 3813907,
            "maximum": 108,
            "minimum": 102,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.179023376,
            "variance": 1.39009612
          },
          {
            "average": 232542154.8,
            "count": 3813907,
            "maximum": 232543534.3,
            "minimum": 232541056.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 559.1017543,
            "variance": 312594.7716
          },
          {
            "average": 1.488188621,
            "count": 3813907,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.172138744,
            "variance": 1.373909236
          },
          {
            "average": 0,
            "count": 3813907,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3813907,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1902440201,
            "count": 3813907,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3924936602,
            "variance": 0.1540512733
          },
          {
            "average": 0,
            "count": 3813907,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692299.9903,
          2040499.99,
          -89.33747356,
          693300.0103,
          2041499.99,
          501.6625264
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692299.9902922472,
                2040499.989995005,
                -89.33747356498469
              ],
              [
                692299.9902922472,
                2041499.989995005,
                -89.33747356498469
              ],
              [
                693300.0102922472,
                2041499.989995005,
                501.6625264350153
              ],
              [
                693300.0102922472,
                2040499.989995005,
                501.6625264350153
              ],
              [
                692299.9902922472,
                2040499.989995005,
                -89.33747356498469
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T13:12:14+00:00",
        "end_time": "2019-01-26T12:30:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2041500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2041500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2041500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2041500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17910845,
            18.44593157,
            -89.33747356,
            -67.16954706,
            18.4550563,
            501.6625264
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.17910844747,
                  18.4460226785158,
                  -89.33747356498469
                ],
                [
                  -67.17901320507443,
                  18.455056304896335,
                  -89.33747356498469
                ],
                [
                  -67.16954705807444,
                  18.454965148671373,
                  501.6625264350153
                ],
                [
                  -67.16964279490226,
                  18.445931570035572,
                  501.6625264350153
                ],
                [
                  -67.17910844747,
                  18.4460226785158,
                  -89.33747356498469
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2041500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2041500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T13:12:14Z",
            "pc:count": 3813907,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692774.1633,
                "count": 3813907,
                "maximum": 693300.0103,
                "minimum": 692299.9903,
                "name": "X",
                "position": 0,
                "stddev": 293.2941669,
                "variance": 86021.46832
              },
              {
                "average": 2040999.291,
                "count": 3813907,
                "maximum": 2041499.99,
                "minimum": 2040499.99,
                "name": "Y",
                "position": 1,
                "stddev": 286.973321,
                "variance": 82353.68695
              },
              {
                "average": 0.4290977096,
                "count": 3813907,
                "maximum": 501.6625264,
                "minimum": -89.33747356,
                "name": "Z",
                "position": 2,
                "stddev": 18.09005294,
                "variance": 327.2500154
              },
              {
                "average": 563.6021466,
                "count": 3813907,
                "maximum": 4505,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 675.0739461,
                "variance": 455724.8327
              },
              {
                "average": 1.144502737,
                "count": 3813907,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.466199442,
                "variance": 0.2173419197
              },
              {
                "average": 1.289190586,
                "count": 3813907,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6977411609,
                "variance": 0.4868427276
              },
              {
                "average": 0.437975808,
                "count": 3813907,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4961381503,
                "variance": 0.2461530641
              },
              {
                "average": 0.009588068089,
                "count": 3813907,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.09744813764,
                "variance": 0.009496139529
              },
              {
                "average": 23.02562621,
                "count": 3813907,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.61284502,
                "variance": 467.1150698
              },
              {
                "average": -1.496340361,
                "count": 3813907,
                "maximum": 20.60400009,
                "minimum": -21.6060009,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 11.96286505,
                "variance": 143.1101403
              },
              {
                "average": 1.488188621,
                "count": 3813907,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.172138744,
                "variance": 1.373909236
              },
              {
                "average": 104.7617522,
                "count": 3813907,
                "maximum": 108,
                "minimum": 102,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.179023376,
                "variance": 1.39009612
              },
              {
                "average": 232542154.8,
                "count": 3813907,
                "maximum": 232543534.3,
                "minimum": 232541056.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 559.1017543,
                "variance": 312594.7716
              },
              {
                "average": 1.488188621,
                "count": 3813907,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.172138744,
                "variance": 1.373909236
              },
              {
                "average": 0,
                "count": 3813907,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3813907,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1902440201,
                "count": 3813907,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3924936602,
                "variance": 0.1540512733
              },
              {
                "average": 0,
                "count": 3813907,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692299.9903,
              2040499.99,
              -89.33747356,
              693300.0103,
              2041499.99,
              501.6625264
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692299.9902922472,
                    2040499.989995005,
                    -89.33747356498469
                  ],
                  [
                    692299.9902922472,
                    2041499.989995005,
                    -89.33747356498469
                  ],
                  [
                    693300.0102922472,
                    2041499.989995005,
                    501.6625264350153
                  ],
                  [
                    693300.0102922472,
                    2040499.989995005,
                    501.6625264350153
                  ],
                  [
                    692299.9902922472,
                    2040499.989995005,
                    -89.33747356498469
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T13:12:14+00:00",
            "end_time": "2019-01-26T12:30:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_690300e_2039500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.19519308697433,
              18.428107127189527,
              -81.05274311217283
            ],
            [
              -67.19509878198456,
              18.43714103197937,
              -81.05274311217283
            ],
            [
              -67.18866840272658,
              18.437079757719925,
              487.94725688782717
            ],
            [
              -67.18876304325276,
              18.428045885051468,
              487.94725688782717
            ],
            [
              -67.19519308697433,
              18.428107127189527,
              -81.05274311217283
            ]
          ]
        ]
      },
      "bbox": [
        -67.19519309,
        18.42804589,
        -81.05274311,
        -67.1886684,
        18.43714103,
        487.9472569
      ],
      "properties": {
        "datetime": "2019-01-26T12:30:18Z",
        "pc:count": 11949668,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691042.3074,
            "count": 11949668,
            "maximum": 691300.0172,
            "minimum": 690620.6372,
            "name": "X",
            "position": 0,
            "stddev": 165.5301001,
            "variance": 27400.21405
          },
          {
            "average": 2038937.838,
            "count": 11949668,
            "maximum": 2039500.004,
            "minimum": 2038499.984,
            "name": "Y",
            "position": 1,
            "stddev": 288.3924848,
            "variance": 83170.22527
          },
          {
            "average": -0.3298764936,
            "count": 11949668,
            "maximum": 487.9472569,
            "minimum": -81.05274311,
            "name": "Z",
            "position": 2,
            "stddev": 6.571193295,
            "variance": 43.18058132
          },
          {
            "average": 233.3909645,
            "count": 11949668,
            "maximum": 3398,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 360.0445987,
            "variance": 129632.113
          },
          {
            "average": 1.796919295,
            "count": 11949668,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.977046587,
            "variance": 0.9546200332
          },
          {
            "average": 2.594094246,
            "count": 11949668,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.196549036,
            "variance": 1.431729596
          },
          {
            "average": 0.5345936808,
            "count": 11949668,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4988018625,
            "variance": 0.2488032981
          },
          {
            "average": 0.001511841166,
            "count": 11949668,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03885300025,
            "variance": 0.001509555628
          },
          {
            "average": 30.38476215,
            "count": 11949668,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.5784983,
            "variance": 423.4745922
          },
          {
            "average": 1.23326369,
            "count": 11949668,
            "maximum": 20.62199974,
            "minimum": -21.57600021,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.76851035,
            "variance": 189.5718774
          },
          {
            "average": 0.7440554834,
            "count": 11949668,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7806155118,
            "variance": 0.6093605773
          },
          {
            "average": 100.5437608,
            "count": 11949668,
            "maximum": 102,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6287340628,
            "variance": 0.3953065217
          },
          {
            "average": 232540458.9,
            "count": 11949668,
            "maximum": 232541018.6,
            "minimum": 232540233,
            "name": "GpsTime",
            "position": 12,
            "stddev": 246.3251279,
            "variance": 60676.06862
          },
          {
            "average": 0.7440554834,
            "count": 11949668,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7806155118,
            "variance": 0.6093605773
          },
          {
            "average": 0,
            "count": 11949668,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11949668,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2676641728,
            "count": 11949668,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4427415496,
            "variance": 0.1960200798
          },
          {
            "average": 0,
            "count": 11949668,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          690620.6372,
          2038499.984,
          -81.05274311,
          691300.0172,
          2039500.004,
          487.9472569
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                690620.6372216727,
                2038499.984353008,
                -81.05274311217283
              ],
              [
                690620.6372216727,
                2039500.004353008,
                -81.05274311217283
              ],
              [
                691300.0172216726,
                2039500.004353008,
                487.94725688782717
              ],
              [
                691300.0172216726,
                2038499.984353008,
                487.94725688782717
              ],
              [
                690620.6372216727,
                2038499.984353008,
                -81.05274311217283
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:30:18+00:00",
        "end_time": "2019-01-26T12:17:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_690300e_2039500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_690300e_2039500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_690300e_2039500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2039500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.19519309,
            18.42804589,
            -81.05274311,
            -67.1886684,
            18.43714103,
            487.9472569
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.19519308697433,
                  18.428107127189527,
                  -81.05274311217283
                ],
                [
                  -67.19509878198456,
                  18.43714103197937,
                  -81.05274311217283
                ],
                [
                  -67.18866840272658,
                  18.437079757719925,
                  487.94725688782717
                ],
                [
                  -67.18876304325276,
                  18.428045885051468,
                  487.94725688782717
                ],
                [
                  -67.19519308697433,
                  18.428107127189527,
                  -81.05274311217283
                ]
              ]
            ]
          },
          "id": "20190126_690300e_2039500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2039500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:30:18Z",
            "pc:count": 11949668,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691042.3074,
                "count": 11949668,
                "maximum": 691300.0172,
                "minimum": 690620.6372,
                "name": "X",
                "position": 0,
                "stddev": 165.5301001,
                "variance": 27400.21405
              },
              {
                "average": 2038937.838,
                "count": 11949668,
                "maximum": 2039500.004,
                "minimum": 2038499.984,
                "name": "Y",
                "position": 1,
                "stddev": 288.3924848,
                "variance": 83170.22527
              },
              {
                "average": -0.3298764936,
                "count": 11949668,
                "maximum": 487.9472569,
                "minimum": -81.05274311,
                "name": "Z",
                "position": 2,
                "stddev": 6.571193295,
                "variance": 43.18058132
              },
              {
                "average": 233.3909645,
                "count": 11949668,
                "maximum": 3398,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 360.0445987,
                "variance": 129632.113
              },
              {
                "average": 1.796919295,
                "count": 11949668,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.977046587,
                "variance": 0.9546200332
              },
              {
                "average": 2.594094246,
                "count": 11949668,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.196549036,
                "variance": 1.431729596
              },
              {
                "average": 0.5345936808,
                "count": 11949668,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4988018625,
                "variance": 0.2488032981
              },
              {
                "average": 0.001511841166,
                "count": 11949668,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03885300025,
                "variance": 0.001509555628
              },
              {
                "average": 30.38476215,
                "count": 11949668,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.5784983,
                "variance": 423.4745922
              },
              {
                "average": 1.23326369,
                "count": 11949668,
                "maximum": 20.62199974,
                "minimum": -21.57600021,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.76851035,
                "variance": 189.5718774
              },
              {
                "average": 0.7440554834,
                "count": 11949668,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7806155118,
                "variance": 0.6093605773
              },
              {
                "average": 100.5437608,
                "count": 11949668,
                "maximum": 102,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6287340628,
                "variance": 0.3953065217
              },
              {
                "average": 232540458.9,
                "count": 11949668,
                "maximum": 232541018.6,
                "minimum": 232540233,
                "name": "GpsTime",
                "position": 12,
                "stddev": 246.3251279,
                "variance": 60676.06862
              },
              {
                "average": 0.7440554834,
                "count": 11949668,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7806155118,
                "variance": 0.6093605773
              },
              {
                "average": 0,
                "count": 11949668,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11949668,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2676641728,
                "count": 11949668,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4427415496,
                "variance": 0.1960200798
              },
              {
                "average": 0,
                "count": 11949668,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              690620.6372,
              2038499.984,
              -81.05274311,
              691300.0172,
              2039500.004,
              487.9472569
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    690620.6372216727,
                    2038499.984353008,
                    -81.05274311217283
                  ],
                  [
                    690620.6372216727,
                    2039500.004353008,
                    -81.05274311217283
                  ],
                  [
                    691300.0172216726,
                    2039500.004353008,
                    487.94725688782717
                  ],
                  [
                    691300.0172216726,
                    2038499.984353008,
                    487.94725688782717
                  ],
                  [
                    690620.6372216727,
                    2038499.984353008,
                    -81.05274311217283
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:30:18+00:00",
            "end_time": "2019-01-26T12:17:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_725300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.86629406640992,
              18.481983331417577,
              -109.9966597012463
            ],
            [
              -66.86622048466367,
              18.48792667091064,
              -109.9966597012463
            ],
            [
              -66.85675433319186,
              18.487819720784458,
              556.0433402987537
            ],
            [
              -66.8568282407632,
              18.48187641808993,
              556.0433402987537
            ],
            [
              -66.86629406640992,
              18.481983331417577,
              -109.9966597012463
            ]
          ]
        ]
      },
      "bbox": [
        -66.86629407,
        18.48187642,
        -109.9966597,
        -66.85675433,
        18.48792667,
        556.0433403
      ],
      "properties": {
        "datetime": "2019-01-21T20:11:59Z",
        "pc:count": 13749084,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 725799.4492,
            "count": 13749084,
            "maximum": 726300.0105,
            "minimum": 725299.9905,
            "name": "X",
            "position": 0,
            "stddev": 287.5770829,
            "variance": 82700.57859
          },
          {
            "average": 2045240.188,
            "count": 13749084,
            "maximum": 2045499.993,
            "minimum": 2044841.953,
            "name": "Y",
            "position": 1,
            "stddev": 173.8968789,
            "variance": 30240.12451
          },
          {
            "average": 30.65922399,
            "count": 13749084,
            "maximum": 556.0433403,
            "minimum": -109.9966597,
            "name": "Z",
            "position": 2,
            "stddev": 17.6216463,
            "variance": 310.5224183
          },
          {
            "average": 1498.700335,
            "count": 13749084,
            "maximum": 4642,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 510.9368122,
            "variance": 261056.4261
          },
          {
            "average": 1.756432792,
            "count": 13749084,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.228112547,
            "variance": 1.508260427
          },
          {
            "average": 2.512912933,
            "count": 13749084,
            "maximum": 9,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.787780896,
            "variance": 3.196160531
          },
          {
            "average": 0.3447184554,
            "count": 13749084,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.475276402,
            "variance": 0.2258876583
          },
          {
            "average": 0.001429477047,
            "count": 13749084,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03778139418,
            "variance": 0.001427433747
          },
          {
            "average": 1.264342992,
            "count": 13749084,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8991485926,
            "variance": 0.8084681916
          },
          {
            "average": 1.448543351,
            "count": 13749084,
            "maximum": 23.96999931,
            "minimum": -22.05599976,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.44969527,
            "variance": 180.894303
          },
          {
            "average": 1.07732777,
            "count": 13749084,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.175547266,
            "variance": 1.381911375
          },
          {
            "average": 91.32629199,
            "count": 13749084,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7296200659,
            "variance": 0.5323454406
          },
          {
            "average": 232136343.6,
            "count": 13749084,
            "maximum": 232136719.5,
            "minimum": 232135682.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 382.3341563,
            "variance": 146179.407
          },
          {
            "average": 1.07732777,
            "count": 13749084,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.175547266,
            "variance": 1.381911375
          },
          {
            "average": 0,
            "count": 13749084,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13749084,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.184171251,
            "count": 13749084,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3876238024,
            "variance": 0.1502522122
          },
          {
            "average": 0,
            "count": 13749084,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          725299.9905,
          2044841.953,
          -109.9966597,
          726300.0105,
          2045499.993,
          556.0433403
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                725299.9905493103,
                2044841.953314268,
                -109.9966597012463
              ],
              [
                725299.9905493103,
                2045499.993314268,
                -109.9966597012463
              ],
              [
                726300.0105493104,
                2045499.993314268,
                556.0433402987537
              ],
              [
                726300.0105493104,
                2044841.953314268,
                556.0433402987537
              ],
              [
                725299.9905493103,
                2044841.953314268,
                -109.9966597012463
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:11:59+00:00",
        "end_time": "2019-01-21T19:54:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_725300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_725300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_725300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_725300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.86629407,
            18.48187642,
            -109.9966597,
            -66.85675433,
            18.48792667,
            556.0433403
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.86629406640992,
                  18.481983331417577,
                  -109.9966597012463
                ],
                [
                  -66.86622048466367,
                  18.48792667091064,
                  -109.9966597012463
                ],
                [
                  -66.85675433319186,
                  18.487819720784458,
                  556.0433402987537
                ],
                [
                  -66.8568282407632,
                  18.48187641808993,
                  556.0433402987537
                ],
                [
                  -66.86629406640992,
                  18.481983331417577,
                  -109.9966597012463
                ]
              ]
            ]
          },
          "id": "20190121_725300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_725300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:11:59Z",
            "pc:count": 13749084,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 725799.4492,
                "count": 13749084,
                "maximum": 726300.0105,
                "minimum": 725299.9905,
                "name": "X",
                "position": 0,
                "stddev": 287.5770829,
                "variance": 82700.57859
              },
              {
                "average": 2045240.188,
                "count": 13749084,
                "maximum": 2045499.993,
                "minimum": 2044841.953,
                "name": "Y",
                "position": 1,
                "stddev": 173.8968789,
                "variance": 30240.12451
              },
              {
                "average": 30.65922399,
                "count": 13749084,
                "maximum": 556.0433403,
                "minimum": -109.9966597,
                "name": "Z",
                "position": 2,
                "stddev": 17.6216463,
                "variance": 310.5224183
              },
              {
                "average": 1498.700335,
                "count": 13749084,
                "maximum": 4642,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 510.9368122,
                "variance": 261056.4261
              },
              {
                "average": 1.756432792,
                "count": 13749084,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.228112547,
                "variance": 1.508260427
              },
              {
                "average": 2.512912933,
                "count": 13749084,
                "maximum": 9,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.787780896,
                "variance": 3.196160531
              },
              {
                "average": 0.3447184554,
                "count": 13749084,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.475276402,
                "variance": 0.2258876583
              },
              {
                "average": 0.001429477047,
                "count": 13749084,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03778139418,
                "variance": 0.001427433747
              },
              {
                "average": 1.264342992,
                "count": 13749084,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8991485926,
                "variance": 0.8084681916
              },
              {
                "average": 1.448543351,
                "count": 13749084,
                "maximum": 23.96999931,
                "minimum": -22.05599976,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.44969527,
                "variance": 180.894303
              },
              {
                "average": 1.07732777,
                "count": 13749084,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.175547266,
                "variance": 1.381911375
              },
              {
                "average": 91.32629199,
                "count": 13749084,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7296200659,
                "variance": 0.5323454406
              },
              {
                "average": 232136343.6,
                "count": 13749084,
                "maximum": 232136719.5,
                "minimum": 232135682.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 382.3341563,
                "variance": 146179.407
              },
              {
                "average": 1.07732777,
                "count": 13749084,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.175547266,
                "variance": 1.381911375
              },
              {
                "average": 0,
                "count": 13749084,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13749084,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.184171251,
                "count": 13749084,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3876238024,
                "variance": 0.1502522122
              },
              {
                "average": 0,
                "count": 13749084,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              725299.9905,
              2044841.953,
              -109.9966597,
              726300.0105,
              2045499.993,
              556.0433403
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    725299.9905493103,
                    2044841.953314268,
                    -109.9966597012463
                  ],
                  [
                    725299.9905493103,
                    2045499.993314268,
                    -109.9966597012463
                  ],
                  [
                    726300.0105493104,
                    2045499.993314268,
                    556.0433402987537
                  ],
                  [
                    726300.0105493104,
                    2044841.953314268,
                    556.0433402987537
                  ],
                  [
                    725299.9905493103,
                    2044841.953314268,
                    -109.9966597012463
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:11:59+00:00",
            "end_time": "2019-01-21T19:54:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_690300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.19868207403042,
              18.38448016185761,
              -92.82261815546948
            ],
            [
              -67.19860391905584,
              18.39200096745073,
              -92.82261815546948
            ],
            [
              -67.18914111761168,
              18.391911085970115,
              489.21738184453045
            ],
            [
              -67.18921968259181,
              18.384390319686464,
              489.21738184453045
            ],
            [
              -67.19868207403042,
              18.38448016185761,
              -92.82261815546948
            ]
          ]
        ]
      },
      "bbox": [
        -67.19868207,
        18.38439032,
        -92.82261816,
        -67.18914112,
        18.39200097,
        489.2173818
      ],
      "properties": {
        "datetime": "2019-01-26T12:58:50Z",
        "pc:count": 14430144,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 690797.4556,
            "count": 14430144,
            "maximum": 691300.0102,
            "minimum": 690299.9902,
            "name": "X",
            "position": 0,
            "stddev": 308.0178874,
            "variance": 94875.01896
          },
          {
            "average": 2034227.654,
            "count": 14430144,
            "maximum": 2034499.991,
            "minimum": 2033667.471,
            "name": "Y",
            "position": 1,
            "stddev": 189.0546915,
            "variance": 35741.67636
          },
          {
            "average": 9.036917293,
            "count": 14430144,
            "maximum": 489.2173818,
            "minimum": -92.82261816,
            "name": "Z",
            "position": 2,
            "stddev": 10.19654782,
            "variance": 103.9695873
          },
          {
            "average": 1407.531631,
            "count": 14430144,
            "maximum": 4546,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 581.172201,
            "variance": 337761.1273
          },
          {
            "average": 1.828282102,
            "count": 14430144,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.308804474,
            "variance": 1.712969152
          },
          {
            "average": 2.656033439,
            "count": 14430144,
            "maximum": 12,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.903506072,
            "variance": 3.623335365
          },
          {
            "average": 0.3406289639,
            "count": 14430144,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4739207618,
            "variance": 0.2246008884
          },
          {
            "average": 0.001397907048,
            "count": 14430144,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03736245442,
            "variance": 0.001395953001
          },
          {
            "average": 2.061746439,
            "count": 14430144,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.975805705,
            "variance": 35.71025383
          },
          {
            "average": -0.6075046164,
            "count": 14430144,
            "maximum": 20.65200043,
            "minimum": -21.6420002,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.87844865,
            "variance": 192.6113369
          },
          {
            "average": 1.114620894,
            "count": 14430144,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.191730004,
            "variance": 1.420220403
          },
          {
            "average": 103.9814661,
            "count": 14430144,
            "maximum": 106,
            "minimum": 102,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.160572586,
            "variance": 1.346928728
          },
          {
            "average": 232541799.6,
            "count": 14430144,
            "maximum": 232542730.2,
            "minimum": 232540938,
            "name": "GpsTime",
            "position": 12,
            "stddev": 494.6107396,
            "variance": 244639.7838
          },
          {
            "average": 1.114615419,
            "count": 14430144,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.191730211,
            "variance": 1.420220895
          },
          {
            "average": 0,
            "count": 14430144,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14430144,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2535335753,
            "count": 14430144,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4350336936,
            "variance": 0.1892543146
          },
          {
            "average": 0,
            "count": 14430144,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          690299.9902,
          2033667.471,
          -92.82261816,
          691300.0102,
          2034499.991,
          489.2173818
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                690299.9901609728,
                2033667.4708572768,
                -92.82261815546948
              ],
              [
                690299.9901609728,
                2034499.9908572768,
                -92.82261815546948
              ],
              [
                691300.0101609728,
                2034499.9908572768,
                489.21738184453045
              ],
              [
                691300.0101609728,
                2033667.4708572768,
                489.21738184453045
              ],
              [
                690299.9901609728,
                2033667.4708572768,
                -92.82261815546948
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:58:50+00:00",
        "end_time": "2019-01-26T12:28:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_690300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_690300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_690300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.19868207,
            18.38439032,
            -92.82261816,
            -67.18914112,
            18.39200097,
            489.2173818
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.19868207403042,
                  18.38448016185761,
                  -92.82261815546948
                ],
                [
                  -67.19860391905584,
                  18.39200096745073,
                  -92.82261815546948
                ],
                [
                  -67.18914111761168,
                  18.391911085970115,
                  489.21738184453045
                ],
                [
                  -67.18921968259181,
                  18.384390319686464,
                  489.21738184453045
                ],
                [
                  -67.19868207403042,
                  18.38448016185761,
                  -92.82261815546948
                ]
              ]
            ]
          },
          "id": "20190126_690300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_690300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:58:50Z",
            "pc:count": 14430144,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 690797.4556,
                "count": 14430144,
                "maximum": 691300.0102,
                "minimum": 690299.9902,
                "name": "X",
                "position": 0,
                "stddev": 308.0178874,
                "variance": 94875.01896
              },
              {
                "average": 2034227.654,
                "count": 14430144,
                "maximum": 2034499.991,
                "minimum": 2033667.471,
                "name": "Y",
                "position": 1,
                "stddev": 189.0546915,
                "variance": 35741.67636
              },
              {
                "average": 9.036917293,
                "count": 14430144,
                "maximum": 489.2173818,
                "minimum": -92.82261816,
                "name": "Z",
                "position": 2,
                "stddev": 10.19654782,
                "variance": 103.9695873
              },
              {
                "average": 1407.531631,
                "count": 14430144,
                "maximum": 4546,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 581.172201,
                "variance": 337761.1273
              },
              {
                "average": 1.828282102,
                "count": 14430144,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.308804474,
                "variance": 1.712969152
              },
              {
                "average": 2.656033439,
                "count": 14430144,
                "maximum": 12,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.903506072,
                "variance": 3.623335365
              },
              {
                "average": 0.3406289639,
                "count": 14430144,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4739207618,
                "variance": 0.2246008884
              },
              {
                "average": 0.001397907048,
                "count": 14430144,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03736245442,
                "variance": 0.001395953001
              },
              {
                "average": 2.061746439,
                "count": 14430144,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.975805705,
                "variance": 35.71025383
              },
              {
                "average": -0.6075046164,
                "count": 14430144,
                "maximum": 20.65200043,
                "minimum": -21.6420002,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.87844865,
                "variance": 192.6113369
              },
              {
                "average": 1.114620894,
                "count": 14430144,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.191730004,
                "variance": 1.420220403
              },
              {
                "average": 103.9814661,
                "count": 14430144,
                "maximum": 106,
                "minimum": 102,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.160572586,
                "variance": 1.346928728
              },
              {
                "average": 232541799.6,
                "count": 14430144,
                "maximum": 232542730.2,
                "minimum": 232540938,
                "name": "GpsTime",
                "position": 12,
                "stddev": 494.6107396,
                "variance": 244639.7838
              },
              {
                "average": 1.114615419,
                "count": 14430144,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.191730211,
                "variance": 1.420220895
              },
              {
                "average": 0,
                "count": 14430144,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14430144,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2535335753,
                "count": 14430144,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4350336936,
                "variance": 0.1892543146
              },
              {
                "average": 0,
                "count": 14430144,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              690299.9902,
              2033667.471,
              -92.82261816,
              691300.0102,
              2034499.991,
              489.2173818
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    690299.9901609728,
                    2033667.4708572768,
                    -92.82261815546948
                  ],
                  [
                    690299.9901609728,
                    2034499.9908572768,
                    -92.82261815546948
                  ],
                  [
                    691300.0101609728,
                    2034499.9908572768,
                    489.21738184453045
                  ],
                  [
                    691300.0101609728,
                    2033667.4708572768,
                    489.21738184453045
                  ],
                  [
                    690299.9901609728,
                    2033667.4708572768,
                    -92.82261815546948
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:58:50+00:00",
            "end_time": "2019-01-26T12:28:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_697300e_2049500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1309983414711,
              18.51782920605402,
              -123.96215312589368
            ],
            [
              -67.13093702577738,
              18.52347213666692,
              -123.96215312589368
            ],
            [
              -67.12146737918295,
              18.52337824679596,
              469.11784687410636
            ],
            [
              -67.12152900508966,
              18.517735346804432,
              469.11784687410636
            ],
            [
              -67.1309983414711,
              18.51782920605402,
              -123.96215312589368
            ]
          ]
        ]
      },
      "bbox": [
        -67.13099834,
        18.51773535,
        -123.9621531,
        -67.12146738,
        18.52347214,
        469.1178469
      ],
      "properties": {
        "datetime": "2019-01-21T18:27:23Z",
        "pc:count": 6125498,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 697833.5959,
            "count": 6125498,
            "maximum": 698300.0156,
            "minimum": 697299.9956,
            "name": "X",
            "position": 0,
            "stddev": 285.6090475,
            "variance": 81572.52804
          },
          {
            "average": 2048756.211,
            "count": 6125498,
            "maximum": 2049124.665,
            "minimum": 2048499.985,
            "name": "Y",
            "position": 1,
            "stddev": 187.2347835,
            "variance": 35056.86417
          },
          {
            "average": -1.680148615,
            "count": 6125498,
            "maximum": 469.1178469,
            "minimum": -123.9621531,
            "name": "Z",
            "position": 2,
            "stddev": 10.6514876,
            "variance": 113.454188
          },
          {
            "average": 574.6967946,
            "count": 6125498,
            "maximum": 3513,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 551.5103754,
            "variance": 304163.6941
          },
          {
            "average": 1.182182249,
            "count": 6125498,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4656051933,
            "variance": 0.216788196
          },
          {
            "average": 1.365503997,
            "count": 6125498,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6602862229,
            "variance": 0.4359778962
          },
          {
            "average": 0.4281846145,
            "count": 6125498,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4948157136,
            "variance": 0.2448425904
          },
          {
            "average": 0.003650805208,
            "count": 6125498,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06031150324,
            "variance": 0.003637477423
          },
          {
            "average": 21.04079342,
            "count": 6125498,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.7046536,
            "variance": 471.0919879
          },
          {
            "average": -3.733902971,
            "count": 6125498,
            "maximum": 22.99799919,
            "minimum": -23.68799973,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.48987524,
            "variance": 155.9969834
          },
          {
            "average": 1.097752705,
            "count": 6125498,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.109877509,
            "variance": 1.231828086
          },
          {
            "average": 78.72578817,
            "count": 6125498,
            "maximum": 80,
            "minimum": 78,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6913094656,
            "variance": 0.4779087772
          },
          {
            "average": 232129997.2,
            "count": 6125498,
            "maximum": 232130443.8,
            "minimum": 232129645.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 299.3401627,
            "variance": 89604.53303
          },
          {
            "average": 1.097752705,
            "count": 6125498,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.109877509,
            "variance": 1.231828086
          },
          {
            "average": 0,
            "count": 6125498,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6125498,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2056430351,
            "count": 6125498,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4041707608,
            "variance": 0.1633540039
          },
          {
            "average": 0,
            "count": 6125498,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          697299.9956,
          2048499.985,
          -123.9621531,
          698300.0156,
          2049124.665,
          469.1178469
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                697299.9956311805,
                2048499.9847080463,
                -123.96215312589368
              ],
              [
                697299.9956311805,
                2049124.6647080465,
                -123.96215312589368
              ],
              [
                698300.0156311805,
                2049124.6647080465,
                469.11784687410636
              ],
              [
                698300.0156311805,
                2048499.9847080463,
                469.11784687410636
              ],
              [
                697299.9956311805,
                2048499.9847080463,
                -123.96215312589368
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:27:23+00:00",
        "end_time": "2019-01-21T18:14:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_697300e_2049500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_697300e_2049500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_697300e_2049500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_697300e_2049500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.13099834,
            18.51773535,
            -123.9621531,
            -67.12146738,
            18.52347214,
            469.1178469
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1309983414711,
                  18.51782920605402,
                  -123.96215312589368
                ],
                [
                  -67.13093702577738,
                  18.52347213666692,
                  -123.96215312589368
                ],
                [
                  -67.12146737918295,
                  18.52337824679596,
                  469.11784687410636
                ],
                [
                  -67.12152900508966,
                  18.517735346804432,
                  469.11784687410636
                ],
                [
                  -67.1309983414711,
                  18.51782920605402,
                  -123.96215312589368
                ]
              ]
            ]
          },
          "id": "20190121_697300e_2049500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_697300e_2049500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:27:23Z",
            "pc:count": 6125498,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 697833.5959,
                "count": 6125498,
                "maximum": 698300.0156,
                "minimum": 697299.9956,
                "name": "X",
                "position": 0,
                "stddev": 285.6090475,
                "variance": 81572.52804
              },
              {
                "average": 2048756.211,
                "count": 6125498,
                "maximum": 2049124.665,
                "minimum": 2048499.985,
                "name": "Y",
                "position": 1,
                "stddev": 187.2347835,
                "variance": 35056.86417
              },
              {
                "average": -1.680148615,
                "count": 6125498,
                "maximum": 469.1178469,
                "minimum": -123.9621531,
                "name": "Z",
                "position": 2,
                "stddev": 10.6514876,
                "variance": 113.454188
              },
              {
                "average": 574.6967946,
                "count": 6125498,
                "maximum": 3513,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 551.5103754,
                "variance": 304163.6941
              },
              {
                "average": 1.182182249,
                "count": 6125498,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4656051933,
                "variance": 0.216788196
              },
              {
                "average": 1.365503997,
                "count": 6125498,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6602862229,
                "variance": 0.4359778962
              },
              {
                "average": 0.4281846145,
                "count": 6125498,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4948157136,
                "variance": 0.2448425904
              },
              {
                "average": 0.003650805208,
                "count": 6125498,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06031150324,
                "variance": 0.003637477423
              },
              {
                "average": 21.04079342,
                "count": 6125498,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.7046536,
                "variance": 471.0919879
              },
              {
                "average": -3.733902971,
                "count": 6125498,
                "maximum": 22.99799919,
                "minimum": -23.68799973,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.48987524,
                "variance": 155.9969834
              },
              {
                "average": 1.097752705,
                "count": 6125498,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.109877509,
                "variance": 1.231828086
              },
              {
                "average": 78.72578817,
                "count": 6125498,
                "maximum": 80,
                "minimum": 78,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6913094656,
                "variance": 0.4779087772
              },
              {
                "average": 232129997.2,
                "count": 6125498,
                "maximum": 232130443.8,
                "minimum": 232129645.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 299.3401627,
                "variance": 89604.53303
              },
              {
                "average": 1.097752705,
                "count": 6125498,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.109877509,
                "variance": 1.231828086
              },
              {
                "average": 0,
                "count": 6125498,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6125498,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2056430351,
                "count": 6125498,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4041707608,
                "variance": 0.1633540039
              },
              {
                "average": 0,
                "count": 6125498,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              697299.9956,
              2048499.985,
              -123.9621531,
              698300.0156,
              2049124.665,
              469.1178469
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    697299.9956311805,
                    2048499.9847080463,
                    -123.96215312589368
                  ],
                  [
                    697299.9956311805,
                    2049124.6647080465,
                    -123.96215312589368
                  ],
                  [
                    698300.0156311805,
                    2049124.6647080465,
                    469.11784687410636
                  ],
                  [
                    698300.0156311805,
                    2048499.9847080463,
                    469.11784687410636
                  ],
                  [
                    697299.9956311805,
                    2048499.9847080463,
                    -123.96215312589368
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:27:23+00:00",
            "end_time": "2019-01-21T18:14:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_696300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.14073500651139,
              18.493156458401582,
              -135.38074620498588
            ],
            [
              -67.14066269069122,
              18.499855979728444,
              -135.38074620498588
            ],
            [
              -67.13320211439991,
              18.499782513513697,
              568.759253795014
            ],
            [
              -67.13327471997677,
              18.493083020664667,
              568.759253795014
            ],
            [
              -67.14073500651139,
              18.493156458401582,
              -135.38074620498588
            ]
          ]
        ]
      },
      "bbox": [
        -67.14073501,
        18.49308302,
        -135.3807462,
        -67.13320211,
        18.49985598,
        568.7592538
      ],
      "properties": {
        "datetime": "2019-01-21T17:58:29Z",
        "pc:count": 3646145,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 696561.1366,
            "count": 3646145,
            "maximum": 697087.958,
            "minimum": 696299.998,
            "name": "X",
            "position": 0,
            "stddev": 181.3421258,
            "variance": 32884.96657
          },
          {
            "average": 2046330.55,
            "count": 3646145,
            "maximum": 2046500,
            "minimum": 2045758.36,
            "name": "Y",
            "position": 1,
            "stddev": 142.2058367,
            "variance": 20222.49998
          },
          {
            "average": 68.21237175,
            "count": 3646145,
            "maximum": 568.7592538,
            "minimum": -135.3807462,
            "name": "Z",
            "position": 2,
            "stddev": 7.69412749,
            "variance": 59.19959784
          },
          {
            "average": 1815.691845,
            "count": 3646145,
            "maximum": 4696,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 447.4711587,
            "variance": 200230.4378
          },
          {
            "average": 1.333485915,
            "count": 3646145,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9029467209,
            "variance": 0.8153127808
          },
          {
            "average": 1.667108137,
            "count": 3646145,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.414956632,
            "variance": 2.00210227
          },
          {
            "average": 0.3680629816,
            "count": 3646145,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4822786404,
            "variance": 0.232592687
          },
          {
            "average": 0.001751987373,
            "count": 3646145,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04182007165,
            "variance": 0.001748918393
          },
          {
            "average": 1.54003612,
            "count": 3646145,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9994181034,
            "variance": 0.9988365455
          },
          {
            "average": 5.119882391,
            "count": 3646145,
            "maximum": 24.85199928,
            "minimum": -22.80599976,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.1117961,
            "variance": 171.919197
          },
          {
            "average": 1.140897578,
            "count": 3646145,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.176826184,
            "variance": 1.384919867
          },
          {
            "average": 72.76851661,
            "count": 3646145,
            "maximum": 75,
            "minimum": 72,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.566284081,
            "variance": 0.3206776604
          },
          {
            "average": 232128159.1,
            "count": 3646145,
            "maximum": 232128709.4,
            "minimum": 232127975.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 138.3867569,
            "variance": 19150.8945
          },
          {
            "average": 1.140897578,
            "count": 3646145,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.176826184,
            "variance": 1.384919867
          },
          {
            "average": 0,
            "count": 3646145,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3646145,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2367541609,
            "count": 3646145,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4250901996,
            "variance": 0.1807016778
          },
          {
            "average": 0,
            "count": 3646145,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          696299.998,
          2045758.36,
          -135.3807462,
          697087.958,
          2046500,
          568.7592538
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                696299.9980371107,
                2045758.3601809104,
                -135.38074620498588
              ],
              [
                696299.9980371107,
                2046500.0001809106,
                -135.38074620498588
              ],
              [
                697087.9580371106,
                2046500.0001809106,
                568.759253795014
              ],
              [
                697087.9580371106,
                2045758.3601809104,
                568.759253795014
              ],
              [
                696299.9980371107,
                2045758.3601809104,
                -135.38074620498588
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T17:58:29+00:00",
        "end_time": "2019-01-21T17:46:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_696300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_696300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_696300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_696300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.14073501,
            18.49308302,
            -135.3807462,
            -67.13320211,
            18.49985598,
            568.7592538
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.14073500651139,
                  18.493156458401582,
                  -135.38074620498588
                ],
                [
                  -67.14066269069122,
                  18.499855979728444,
                  -135.38074620498588
                ],
                [
                  -67.13320211439991,
                  18.499782513513697,
                  568.759253795014
                ],
                [
                  -67.13327471997677,
                  18.493083020664667,
                  568.759253795014
                ],
                [
                  -67.14073500651139,
                  18.493156458401582,
                  -135.38074620498588
                ]
              ]
            ]
          },
          "id": "20190121_696300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_696300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T17:58:29Z",
            "pc:count": 3646145,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 696561.1366,
                "count": 3646145,
                "maximum": 697087.958,
                "minimum": 696299.998,
                "name": "X",
                "position": 0,
                "stddev": 181.3421258,
                "variance": 32884.96657
              },
              {
                "average": 2046330.55,
                "count": 3646145,
                "maximum": 2046500,
                "minimum": 2045758.36,
                "name": "Y",
                "position": 1,
                "stddev": 142.2058367,
                "variance": 20222.49998
              },
              {
                "average": 68.21237175,
                "count": 3646145,
                "maximum": 568.7592538,
                "minimum": -135.3807462,
                "name": "Z",
                "position": 2,
                "stddev": 7.69412749,
                "variance": 59.19959784
              },
              {
                "average": 1815.691845,
                "count": 3646145,
                "maximum": 4696,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 447.4711587,
                "variance": 200230.4378
              },
              {
                "average": 1.333485915,
                "count": 3646145,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9029467209,
                "variance": 0.8153127808
              },
              {
                "average": 1.667108137,
                "count": 3646145,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.414956632,
                "variance": 2.00210227
              },
              {
                "average": 0.3680629816,
                "count": 3646145,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4822786404,
                "variance": 0.232592687
              },
              {
                "average": 0.001751987373,
                "count": 3646145,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04182007165,
                "variance": 0.001748918393
              },
              {
                "average": 1.54003612,
                "count": 3646145,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9994181034,
                "variance": 0.9988365455
              },
              {
                "average": 5.119882391,
                "count": 3646145,
                "maximum": 24.85199928,
                "minimum": -22.80599976,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.1117961,
                "variance": 171.919197
              },
              {
                "average": 1.140897578,
                "count": 3646145,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.176826184,
                "variance": 1.384919867
              },
              {
                "average": 72.76851661,
                "count": 3646145,
                "maximum": 75,
                "minimum": 72,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.566284081,
                "variance": 0.3206776604
              },
              {
                "average": 232128159.1,
                "count": 3646145,
                "maximum": 232128709.4,
                "minimum": 232127975.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 138.3867569,
                "variance": 19150.8945
              },
              {
                "average": 1.140897578,
                "count": 3646145,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.176826184,
                "variance": 1.384919867
              },
              {
                "average": 0,
                "count": 3646145,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3646145,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2367541609,
                "count": 3646145,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4250901996,
                "variance": 0.1807016778
              },
              {
                "average": 0,
                "count": 3646145,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              696299.998,
              2045758.36,
              -135.3807462,
              697087.958,
              2046500,
              568.7592538
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    696299.9980371107,
                    2045758.3601809104,
                    -135.38074620498588
                  ],
                  [
                    696299.9980371107,
                    2046500.0001809106,
                    -135.38074620498588
                  ],
                  [
                    697087.9580371106,
                    2046500.0001809106,
                    568.759253795014
                  ],
                  [
                    697087.9580371106,
                    2045758.3601809104,
                    568.759253795014
                  ],
                  [
                    696299.9980371107,
                    2045758.3601809104,
                    -135.38074620498588
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T17:58:29+00:00",
            "end_time": "2019-01-21T17:46:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_710300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.00811300937302,
              18.498506730495002,
              -122.35587583051708
            ],
            [
              -67.00800850650917,
              18.507539585305516,
              -122.35587583051708
            ],
            [
              -66.9985406161292,
              18.507439623194887,
              553.2841241694829
            ],
            [
              -66.99864561488639,
              18.498406820608967,
              553.2841241694829
            ],
            [
              -67.00811300937302,
              18.498506730495002,
              -122.35587583051708
            ]
          ]
        ]
      },
      "bbox": [
        -67.00811301,
        18.49840682,
        -122.3558758,
        -66.99854062,
        18.50753959,
        553.2841242
      ],
      "properties": {
        "datetime": "2019-05-25T11:45:30Z",
        "pc:count": 31071974,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 710775.9009,
            "count": 31071974,
            "maximum": 711299.995,
            "minimum": 710299.995,
            "name": "X",
            "position": 0,
            "stddev": 288.3252094,
            "variance": 83131.42636
          },
          {
            "average": 2046993.371,
            "count": 31071974,
            "maximum": 2047500,
            "minimum": 2046499.98,
            "name": "Y",
            "position": 1,
            "stddev": 266.6006657,
            "variance": 71075.91496
          },
          {
            "average": 24.14579292,
            "count": 31071974,
            "maximum": 553.2841242,
            "minimum": -122.3558758,
            "name": "Z",
            "position": 2,
            "stddev": 30.26405862,
            "variance": 915.9132442
          },
          {
            "average": 1214.457092,
            "count": 31071974,
            "maximum": 4376,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 598.8425169,
            "variance": 358612.3601
          },
          {
            "average": 1.77141581,
            "count": 31071974,
            "maximum": 12,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.207564554,
            "variance": 1.458212152
          },
          {
            "average": 2.543037401,
            "count": 31071974,
            "maximum": 12,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.7343157,
            "variance": 3.007850948
          },
          {
            "average": 0.3870818764,
            "count": 31071974,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.487082647,
            "variance": 0.237249505
          },
          {
            "average": 0.001476636148,
            "count": 31071974,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03839864244,
            "variance": 0.001474455741
          },
          {
            "average": 10.16235126,
            "count": 31071974,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 17.36467955,
            "variance": 301.5320959
          },
          {
            "average": 0.6778501651,
            "count": 31071974,
            "maximum": 23.49600029,
            "minimum": -23.56800079,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.93436975,
            "variance": 194.1666603
          },
          {
            "average": 0.9358527398,
            "count": 31071974,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.075906201,
            "variance": 1.157574153
          },
          {
            "average": 214.6087565,
            "count": 31071974,
            "maximum": 815,
            "minimum": 83,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 278.7305096,
            "variance": 77690.69697
          },
          {
            "average": 234027822.2,
            "count": 31071974,
            "maximum": 242819930.3,
            "minimum": 232131668.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4081687.542,
            "variance": 16660173190000.0
          },
          {
            "average": 0.9358527398,
            "count": 31071974,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.075906201,
            "variance": 1.157574153
          },
          {
            "average": 0,
            "count": 31071974,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 31071974,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2526618682,
            "count": 31071974,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4345386688,
            "variance": 0.1888238546
          },
          {
            "average": 0,
            "count": 31071974,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          710299.995,
          2046499.98,
          -122.3558758,
          711299.995,
          2047500,
          553.2841242
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                710299.9950131587,
                2046499.9795521472,
                -122.35587583051708
              ],
              [
                710299.9950131587,
                2047499.9995521472,
                -122.35587583051708
              ],
              [
                711299.9950131587,
                2047499.9995521472,
                553.2841241694829
              ],
              [
                711299.9950131587,
                2046499.9795521472,
                553.2841241694829
              ],
              [
                710299.9950131587,
                2046499.9795521472,
                -122.35587583051708
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:45:30+00:00",
        "end_time": "2019-01-21T18:47:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_710300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_710300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_710300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_710300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.00811301,
            18.49840682,
            -122.3558758,
            -66.99854062,
            18.50753959,
            553.2841242
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.00811300937302,
                  18.498506730495002,
                  -122.35587583051708
                ],
                [
                  -67.00800850650917,
                  18.507539585305516,
                  -122.35587583051708
                ],
                [
                  -66.9985406161292,
                  18.507439623194887,
                  553.2841241694829
                ],
                [
                  -66.99864561488639,
                  18.498406820608967,
                  553.2841241694829
                ],
                [
                  -67.00811300937302,
                  18.498506730495002,
                  -122.35587583051708
                ]
              ]
            ]
          },
          "id": "20190121_710300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_710300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:45:30Z",
            "pc:count": 31071974,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 710775.9009,
                "count": 31071974,
                "maximum": 711299.995,
                "minimum": 710299.995,
                "name": "X",
                "position": 0,
                "stddev": 288.3252094,
                "variance": 83131.42636
              },
              {
                "average": 2046993.371,
                "count": 31071974,
                "maximum": 2047500,
                "minimum": 2046499.98,
                "name": "Y",
                "position": 1,
                "stddev": 266.6006657,
                "variance": 71075.91496
              },
              {
                "average": 24.14579292,
                "count": 31071974,
                "maximum": 553.2841242,
                "minimum": -122.3558758,
                "name": "Z",
                "position": 2,
                "stddev": 30.26405862,
                "variance": 915.9132442
              },
              {
                "average": 1214.457092,
                "count": 31071974,
                "maximum": 4376,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 598.8425169,
                "variance": 358612.3601
              },
              {
                "average": 1.77141581,
                "count": 31071974,
                "maximum": 12,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.207564554,
                "variance": 1.458212152
              },
              {
                "average": 2.543037401,
                "count": 31071974,
                "maximum": 12,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.7343157,
                "variance": 3.007850948
              },
              {
                "average": 0.3870818764,
                "count": 31071974,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.487082647,
                "variance": 0.237249505
              },
              {
                "average": 0.001476636148,
                "count": 31071974,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03839864244,
                "variance": 0.001474455741
              },
              {
                "average": 10.16235126,
                "count": 31071974,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 17.36467955,
                "variance": 301.5320959
              },
              {
                "average": 0.6778501651,
                "count": 31071974,
                "maximum": 23.49600029,
                "minimum": -23.56800079,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.93436975,
                "variance": 194.1666603
              },
              {
                "average": 0.9358527398,
                "count": 31071974,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.075906201,
                "variance": 1.157574153
              },
              {
                "average": 214.6087565,
                "count": 31071974,
                "maximum": 815,
                "minimum": 83,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 278.7305096,
                "variance": 77690.69697
              },
              {
                "average": 234027822.2,
                "count": 31071974,
                "maximum": 242819930.3,
                "minimum": 232131668.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4081687.542,
                "variance": 16660173190000.0
              },
              {
                "average": 0.9358527398,
                "count": 31071974,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.075906201,
                "variance": 1.157574153
              },
              {
                "average": 0,
                "count": 31071974,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 31071974,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2526618682,
                "count": 31071974,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4345386688,
                "variance": 0.1888238546
              },
              {
                "average": 0,
                "count": 31071974,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              710299.995,
              2046499.98,
              -122.3558758,
              711299.995,
              2047500,
              553.2841242
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    710299.9950131587,
                    2046499.9795521472,
                    -122.35587583051708
                  ],
                  [
                    710299.9950131587,
                    2047499.9995521472,
                    -122.35587583051708
                  ],
                  [
                    711299.9950131587,
                    2047499.9995521472,
                    553.2841241694829
                  ],
                  [
                    711299.9950131587,
                    2046499.9795521472,
                    553.2841241694829
                  ],
                  [
                    710299.9950131587,
                    2046499.9795521472,
                    -122.35587583051708
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:45:30+00:00",
            "end_time": "2019-01-21T18:47:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_693300e_2041500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1696428849961,
              18.445931475810692,
              -141.40358226261046
            ],
            [
              -67.16954714625824,
              18.454965235118525,
              -141.40358226261046
            ],
            [
              -67.16008124383316,
              18.454873608697294,
              542.8164177373895
            ],
            [
              -67.16017747698993,
              18.445839897381383,
              542.8164177373895
            ],
            [
              -67.1696428849961,
              18.445931475810692,
              -141.40358226261046
            ]
          ]
        ]
      },
      "bbox": [
        -67.16964288,
        18.4458399,
        -141.4035823,
        -67.16008124,
        18.45496524,
        542.8164177
      ],
      "properties": {
        "datetime": "2019-01-27T14:35:16Z",
        "pc:count": 19624495,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693908.4785,
            "count": 19624495,
            "maximum": 694300.0009,
            "minimum": 693300.0009,
            "name": "X",
            "position": 0,
            "stddev": 259.0947427,
            "variance": 67130.08569
          },
          {
            "average": 2041008.097,
            "count": 19624495,
            "maximum": 2041499.999,
            "minimum": 2040499.979,
            "name": "Y",
            "position": 1,
            "stddev": 286.5337898,
            "variance": 82101.6127
          },
          {
            "average": 5.820139091,
            "count": 19624495,
            "maximum": 542.8164177,
            "minimum": -141.4035823,
            "name": "Z",
            "position": 2,
            "stddev": 18.23988974,
            "variance": 332.6935776
          },
          {
            "average": 518.1249279,
            "count": 19624495,
            "maximum": 4770,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 561.9278917,
            "variance": 315762.9554
          },
          {
            "average": 2.071453966,
            "count": 19624495,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.319067809,
            "variance": 1.739939884
          },
          {
            "average": 3.143397015,
            "count": 19624495,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.732308055,
            "variance": 3.000891199
          },
          {
            "average": 0.5338030354,
            "count": 19624495,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4988560589,
            "variance": 0.2488573675
          },
          {
            "average": 0.001822722062,
            "count": 19624495,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04265442344,
            "variance": 0.001819399839
          },
          {
            "average": 26.5283792,
            "count": 19624495,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.3319469,
            "variance": 455.0519586
          },
          {
            "average": 1.473202737,
            "count": 19624495,
            "maximum": 20.66399956,
            "minimum": -21.68400002,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.19301399,
            "variance": 174.0556182
          },
          {
            "average": 0.8076276103,
            "count": 19624495,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8384595631,
            "variance": 0.7030144389
          },
          {
            "average": 108.9608888,
            "count": 19624495,
            "maximum": 111,
            "minimum": 106,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.102678175,
            "variance": 1.215899158
          },
          {
            "average": 232597627.5,
            "count": 19624495,
            "maximum": 232634916.5,
            "minimum": 232542830.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 44665.99634,
            "variance": 1995051229
          },
          {
            "average": 0.8076276103,
            "count": 19624495,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8384595631,
            "variance": 0.7030144389
          },
          {
            "average": 0,
            "count": 19624495,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 19624495,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2362756341,
            "count": 19624495,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4247934416,
            "variance": 0.180449468
          },
          {
            "average": 0,
            "count": 19624495,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693300.0009,
          2040499.979,
          -141.4035823,
          694300.0009,
          2041499.999,
          542.8164177
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693300.0008804837,
                2040499.979469329,
                -141.40358226261046
              ],
              [
                693300.0008804837,
                2041499.999469329,
                -141.40358226261046
              ],
              [
                694300.0008804837,
                2041499.999469329,
                542.8164177373895
              ],
              [
                694300.0008804837,
                2040499.979469329,
                542.8164177373895
              ],
              [
                693300.0008804837,
                2040499.979469329,
                -141.40358226261046
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:35:16+00:00",
        "end_time": "2019-01-26T13:00:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_693300e_2041500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_693300e_2041500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_693300e_2041500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2041500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16964288,
            18.4458399,
            -141.4035823,
            -67.16008124,
            18.45496524,
            542.8164177
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1696428849961,
                  18.445931475810692,
                  -141.40358226261046
                ],
                [
                  -67.16954714625824,
                  18.454965235118525,
                  -141.40358226261046
                ],
                [
                  -67.16008124383316,
                  18.454873608697294,
                  542.8164177373895
                ],
                [
                  -67.16017747698993,
                  18.445839897381383,
                  542.8164177373895
                ],
                [
                  -67.1696428849961,
                  18.445931475810692,
                  -141.40358226261046
                ]
              ]
            ]
          },
          "id": "20190126_693300e_2041500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2041500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:35:16Z",
            "pc:count": 19624495,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693908.4785,
                "count": 19624495,
                "maximum": 694300.0009,
                "minimum": 693300.0009,
                "name": "X",
                "position": 0,
                "stddev": 259.0947427,
                "variance": 67130.08569
              },
              {
                "average": 2041008.097,
                "count": 19624495,
                "maximum": 2041499.999,
                "minimum": 2040499.979,
                "name": "Y",
                "position": 1,
                "stddev": 286.5337898,
                "variance": 82101.6127
              },
              {
                "average": 5.820139091,
                "count": 19624495,
                "maximum": 542.8164177,
                "minimum": -141.4035823,
                "name": "Z",
                "position": 2,
                "stddev": 18.23988974,
                "variance": 332.6935776
              },
              {
                "average": 518.1249279,
                "count": 19624495,
                "maximum": 4770,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 561.9278917,
                "variance": 315762.9554
              },
              {
                "average": 2.071453966,
                "count": 19624495,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.319067809,
                "variance": 1.739939884
              },
              {
                "average": 3.143397015,
                "count": 19624495,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.732308055,
                "variance": 3.000891199
              },
              {
                "average": 0.5338030354,
                "count": 19624495,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4988560589,
                "variance": 0.2488573675
              },
              {
                "average": 0.001822722062,
                "count": 19624495,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04265442344,
                "variance": 0.001819399839
              },
              {
                "average": 26.5283792,
                "count": 19624495,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.3319469,
                "variance": 455.0519586
              },
              {
                "average": 1.473202737,
                "count": 19624495,
                "maximum": 20.66399956,
                "minimum": -21.68400002,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.19301399,
                "variance": 174.0556182
              },
              {
                "average": 0.8076276103,
                "count": 19624495,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8384595631,
                "variance": 0.7030144389
              },
              {
                "average": 108.9608888,
                "count": 19624495,
                "maximum": 111,
                "minimum": 106,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.102678175,
                "variance": 1.215899158
              },
              {
                "average": 232597627.5,
                "count": 19624495,
                "maximum": 232634916.5,
                "minimum": 232542830.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 44665.99634,
                "variance": 1995051229
              },
              {
                "average": 0.8076276103,
                "count": 19624495,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8384595631,
                "variance": 0.7030144389
              },
              {
                "average": 0,
                "count": 19624495,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 19624495,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2362756341,
                "count": 19624495,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4247934416,
                "variance": 0.180449468
              },
              {
                "average": 0,
                "count": 19624495,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693300.0009,
              2040499.979,
              -141.4035823,
              694300.0009,
              2041499.999,
              542.8164177
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693300.0008804837,
                    2040499.979469329,
                    -141.40358226261046
                  ],
                  [
                    693300.0008804837,
                    2041499.999469329,
                    -141.40358226261046
                  ],
                  [
                    694300.0008804837,
                    2041499.999469329,
                    542.8164177373895
                  ],
                  [
                    694300.0008804837,
                    2040499.979469329,
                    542.8164177373895
                  ],
                  [
                    693300.0008804837,
                    2040499.979469329,
                    -141.40358226261046
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:35:16+00:00",
            "end_time": "2019-01-26T13:00:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_696300e_2049500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1404673814491,
              18.51792261258936,
              -122.39225073217321
            ],
            [
              -67.14040626070721,
              18.523576233032703,
              -122.39225073217321
            ],
            [
              -67.13093674640932,
              18.5234828188339,
              464.00774926782674
            ],
            [
              -67.13099817795268,
              18.517829228914348,
              464.00774926782674
            ],
            [
              -67.1404673814491,
              18.51792261258936,
              -122.39225073217321
            ]
          ]
        ]
      },
      "bbox": [
        -67.14046738,
        18.51782923,
        -122.3922507,
        -67.13093675,
        18.52357623,
        464.0077493
      ],
      "properties": {
        "datetime": "2019-01-21T18:27:09Z",
        "pc:count": 2167924,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 696963.0704,
            "count": 2167924,
            "maximum": 697300.0129,
            "minimum": 696300.0129,
            "name": "X",
            "position": 0,
            "stddev": 244.0109702,
            "variance": 59541.35355
          },
          {
            "average": 2048675.792,
            "count": 2167924,
            "maximum": 2049125.847,
            "minimum": 2048499.987,
            "name": "Y",
            "position": 1,
            "stddev": 142.5430133,
            "variance": 20318.51065
          },
          {
            "average": 0.07239468436,
            "count": 2167924,
            "maximum": 464.0077493,
            "minimum": -122.3922507,
            "name": "Z",
            "position": 2,
            "stddev": 10.53171409,
            "variance": 110.9170017
          },
          {
            "average": 647.5634672,
            "count": 2167924,
            "maximum": 3202,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 580.5424599,
            "variance": 337029.5478
          },
          {
            "average": 1.082989072,
            "count": 2167924,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2998600748,
            "variance": 0.08991606444
          },
          {
            "average": 1.166007203,
            "count": 2167924,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4241207272,
            "variance": 0.1798783913
          },
          {
            "average": 0.4289223238,
            "count": 2167924,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4949222938,
            "variance": 0.2449480769
          },
          {
            "average": 0.004787529452,
            "count": 2167924,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06902616324,
            "variance": 0.004764611212
          },
          {
            "average": 19.193266,
            "count": 2167924,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.60526196,
            "variance": 466.7873445
          },
          {
            "average": -2.759036787,
            "count": 2167924,
            "maximum": 22.99799919,
            "minimum": -25.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.29527975,
            "variance": 151.1739042
          },
          {
            "average": 1.128901659,
            "count": 2167924,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.120018728,
            "variance": 1.254441952
          },
          {
            "average": 79.10558211,
            "count": 2167924,
            "maximum": 80,
            "minimum": 78,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6012604857,
            "variance": 0.3615141716
          },
          {
            "average": 232130171.9,
            "count": 2167924,
            "maximum": 232130429.1,
            "minimum": 232129645.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 227.1954146,
            "variance": 51617.75641
          },
          {
            "average": 1.128901659,
            "count": 2167924,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.120018728,
            "variance": 1.254441952
          },
          {
            "average": 0,
            "count": 2167924,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2167924,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1323335135,
            "count": 2167924,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3388530769,
            "variance": 0.1148214077
          },
          {
            "average": 0,
            "count": 2167924,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          696300.0129,
          2048499.987,
          -122.3922507,
          697300.0129,
          2049125.847,
          464.0077493
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                696300.0128715972,
                2048499.9874173927,
                -122.39225073217321
              ],
              [
                696300.0128715972,
                2049125.8474173925,
                -122.39225073217321
              ],
              [
                697300.0128715972,
                2049125.8474173925,
                464.00774926782674
              ],
              [
                697300.0128715972,
                2048499.9874173927,
                464.00774926782674
              ],
              [
                696300.0128715972,
                2048499.9874173927,
                -122.39225073217321
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:27:09+00:00",
        "end_time": "2019-01-21T18:14:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_696300e_2049500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_696300e_2049500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_696300e_2049500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_696300e_2049500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.14046738,
            18.51782923,
            -122.3922507,
            -67.13093675,
            18.52357623,
            464.0077493
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1404673814491,
                  18.51792261258936,
                  -122.39225073217321
                ],
                [
                  -67.14040626070721,
                  18.523576233032703,
                  -122.39225073217321
                ],
                [
                  -67.13093674640932,
                  18.5234828188339,
                  464.00774926782674
                ],
                [
                  -67.13099817795268,
                  18.517829228914348,
                  464.00774926782674
                ],
                [
                  -67.1404673814491,
                  18.51792261258936,
                  -122.39225073217321
                ]
              ]
            ]
          },
          "id": "20190121_696300e_2049500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_696300e_2049500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:27:09Z",
            "pc:count": 2167924,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 696963.0704,
                "count": 2167924,
                "maximum": 697300.0129,
                "minimum": 696300.0129,
                "name": "X",
                "position": 0,
                "stddev": 244.0109702,
                "variance": 59541.35355
              },
              {
                "average": 2048675.792,
                "count": 2167924,
                "maximum": 2049125.847,
                "minimum": 2048499.987,
                "name": "Y",
                "position": 1,
                "stddev": 142.5430133,
                "variance": 20318.51065
              },
              {
                "average": 0.07239468436,
                "count": 2167924,
                "maximum": 464.0077493,
                "minimum": -122.3922507,
                "name": "Z",
                "position": 2,
                "stddev": 10.53171409,
                "variance": 110.9170017
              },
              {
                "average": 647.5634672,
                "count": 2167924,
                "maximum": 3202,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 580.5424599,
                "variance": 337029.5478
              },
              {
                "average": 1.082989072,
                "count": 2167924,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2998600748,
                "variance": 0.08991606444
              },
              {
                "average": 1.166007203,
                "count": 2167924,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4241207272,
                "variance": 0.1798783913
              },
              {
                "average": 0.4289223238,
                "count": 2167924,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4949222938,
                "variance": 0.2449480769
              },
              {
                "average": 0.004787529452,
                "count": 2167924,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06902616324,
                "variance": 0.004764611212
              },
              {
                "average": 19.193266,
                "count": 2167924,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.60526196,
                "variance": 466.7873445
              },
              {
                "average": -2.759036787,
                "count": 2167924,
                "maximum": 22.99799919,
                "minimum": -25.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.29527975,
                "variance": 151.1739042
              },
              {
                "average": 1.128901659,
                "count": 2167924,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.120018728,
                "variance": 1.254441952
              },
              {
                "average": 79.10558211,
                "count": 2167924,
                "maximum": 80,
                "minimum": 78,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6012604857,
                "variance": 0.3615141716
              },
              {
                "average": 232130171.9,
                "count": 2167924,
                "maximum": 232130429.1,
                "minimum": 232129645.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 227.1954146,
                "variance": 51617.75641
              },
              {
                "average": 1.128901659,
                "count": 2167924,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.120018728,
                "variance": 1.254441952
              },
              {
                "average": 0,
                "count": 2167924,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2167924,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1323335135,
                "count": 2167924,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3388530769,
                "variance": 0.1148214077
              },
              {
                "average": 0,
                "count": 2167924,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              696300.0129,
              2048499.987,
              -122.3922507,
              697300.0129,
              2049125.847,
              464.0077493
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    696300.0128715972,
                    2048499.9874173927,
                    -122.39225073217321
                  ],
                  [
                    696300.0128715972,
                    2049125.8474173925,
                    -122.39225073217321
                  ],
                  [
                    697300.0128715972,
                    2049125.8474173925,
                    464.00774926782674
                  ],
                  [
                    697300.0128715972,
                    2048499.9874173927,
                    464.00774926782674
                  ],
                  [
                    696300.0128715972,
                    2048499.9874173927,
                    -122.39225073217321
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:27:09+00:00",
            "end_time": "2019-01-21T18:14:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_717300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.94195048078574,
              18.48876511169845,
              -119.12320766499863
            ],
            [
              -66.94184256916103,
              18.49779760496421,
              -119.12320766499863
            ],
            [
              -66.93237541458755,
              18.497694382087044,
              549.3367923350014
            ],
            [
              -66.93248382172624,
              18.48866194277174,
              549.3367923350014
            ],
            [
              -66.94195048078574,
              18.48876511169845,
              -119.12320766499863
            ]
          ]
        ]
      },
      "bbox": [
        -66.94195048,
        18.48866194,
        -119.1232077,
        -66.93237541,
        18.4977976,
        549.3367923
      ],
      "properties": {
        "datetime": "2019-05-25T11:47:29Z",
        "pc:count": 19114716,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 717767.6594,
            "count": 19114716,
            "maximum": 718300.0104,
            "minimum": 717299.9904,
            "name": "X",
            "position": 0,
            "stddev": 277.3382173,
            "variance": 76916.48676
          },
          {
            "average": 2045790.444,
            "count": 19114716,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 241.5719369,
            "variance": 58357.0007
          },
          {
            "average": 13.60259839,
            "count": 19114716,
            "maximum": 549.3367923,
            "minimum": -119.1232077,
            "name": "Z",
            "position": 2,
            "stddev": 24.8550333,
            "variance": 617.7726803
          },
          {
            "average": 953.9493653,
            "count": 19114716,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 626.1547232,
            "variance": 392069.7374
          },
          {
            "average": 1.542974952,
            "count": 19114716,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.969946866,
            "variance": 0.9407969229
          },
          {
            "average": 2.086706546,
            "count": 19114716,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.409440875,
            "variance": 1.986523581
          },
          {
            "average": 0.4273132282,
            "count": 19114716,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4946884333,
            "variance": 0.244716646
          },
          {
            "average": 0.00212359943,
            "count": 19114716,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04603357325,
            "variance": 0.002119089866
          },
          {
            "average": 16.60667708,
            "count": 19114716,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.6108108,
            "variance": 424.8055219
          },
          {
            "average": 0.455556643,
            "count": 19114716,
            "maximum": 23.66399956,
            "minimum": -22.98600006,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.15583589,
            "variance": 173.0760181
          },
          {
            "average": 0.8862226883,
            "count": 19114716,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.009281075,
            "variance": 1.018648288
          },
          {
            "average": 267.7173069,
            "count": 19114716,
            "maximum": 815,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 312.3788915,
            "variance": 97580.57186
          },
          {
            "average": 234760911.9,
            "count": 19114716,
            "maximum": 242820049.3,
            "minimum": 232133375.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4599978.697,
            "variance": 21159804020000.0
          },
          {
            "average": 0.8862213281,
            "count": 19114716,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.009281595,
            "variance": 1.018649339
          },
          {
            "average": 0,
            "count": 19114716,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 19114716,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1946353794,
            "count": 19114716,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3959197604,
            "variance": 0.1567524567
          },
          {
            "average": 0,
            "count": 19114716,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          717299.9904,
          2045499.979,
          -119.1232077,
          718300.0104,
          2046499.999,
          549.3367923
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                717299.9904174104,
                2045499.9790753934,
                -119.12320766499863
              ],
              [
                717299.9904174104,
                2046499.9990753934,
                -119.12320766499863
              ],
              [
                718300.0104174104,
                2046499.9990753934,
                549.3367923350014
              ],
              [
                718300.0104174104,
                2045499.9790753934,
                549.3367923350014
              ],
              [
                717299.9904174104,
                2045499.9790753934,
                -119.12320766499863
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:47:29+00:00",
        "end_time": "2019-01-21T19:16:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_717300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_717300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_717300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_717300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.94195048,
            18.48866194,
            -119.1232077,
            -66.93237541,
            18.4977976,
            549.3367923
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.94195048078574,
                  18.48876511169845,
                  -119.12320766499863
                ],
                [
                  -66.94184256916103,
                  18.49779760496421,
                  -119.12320766499863
                ],
                [
                  -66.93237541458755,
                  18.497694382087044,
                  549.3367923350014
                ],
                [
                  -66.93248382172624,
                  18.48866194277174,
                  549.3367923350014
                ],
                [
                  -66.94195048078574,
                  18.48876511169845,
                  -119.12320766499863
                ]
              ]
            ]
          },
          "id": "20190121_717300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_717300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:47:29Z",
            "pc:count": 19114716,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 717767.6594,
                "count": 19114716,
                "maximum": 718300.0104,
                "minimum": 717299.9904,
                "name": "X",
                "position": 0,
                "stddev": 277.3382173,
                "variance": 76916.48676
              },
              {
                "average": 2045790.444,
                "count": 19114716,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 241.5719369,
                "variance": 58357.0007
              },
              {
                "average": 13.60259839,
                "count": 19114716,
                "maximum": 549.3367923,
                "minimum": -119.1232077,
                "name": "Z",
                "position": 2,
                "stddev": 24.8550333,
                "variance": 617.7726803
              },
              {
                "average": 953.9493653,
                "count": 19114716,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 626.1547232,
                "variance": 392069.7374
              },
              {
                "average": 1.542974952,
                "count": 19114716,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.969946866,
                "variance": 0.9407969229
              },
              {
                "average": 2.086706546,
                "count": 19114716,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.409440875,
                "variance": 1.986523581
              },
              {
                "average": 0.4273132282,
                "count": 19114716,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4946884333,
                "variance": 0.244716646
              },
              {
                "average": 0.00212359943,
                "count": 19114716,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04603357325,
                "variance": 0.002119089866
              },
              {
                "average": 16.60667708,
                "count": 19114716,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.6108108,
                "variance": 424.8055219
              },
              {
                "average": 0.455556643,
                "count": 19114716,
                "maximum": 23.66399956,
                "minimum": -22.98600006,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.15583589,
                "variance": 173.0760181
              },
              {
                "average": 0.8862226883,
                "count": 19114716,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.009281075,
                "variance": 1.018648288
              },
              {
                "average": 267.7173069,
                "count": 19114716,
                "maximum": 815,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 312.3788915,
                "variance": 97580.57186
              },
              {
                "average": 234760911.9,
                "count": 19114716,
                "maximum": 242820049.3,
                "minimum": 232133375.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4599978.697,
                "variance": 21159804020000.0
              },
              {
                "average": 0.8862213281,
                "count": 19114716,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.009281595,
                "variance": 1.018649339
              },
              {
                "average": 0,
                "count": 19114716,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 19114716,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1946353794,
                "count": 19114716,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3959197604,
                "variance": 0.1567524567
              },
              {
                "average": 0,
                "count": 19114716,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              717299.9904,
              2045499.979,
              -119.1232077,
              718300.0104,
              2046499.999,
              549.3367923
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    717299.9904174104,
                    2045499.9790753934,
                    -119.12320766499863
                  ],
                  [
                    717299.9904174104,
                    2046499.9990753934,
                    -119.12320766499863
                  ],
                  [
                    718300.0104174104,
                    2046499.9990753934,
                    549.3367923350014
                  ],
                  [
                    718300.0104174104,
                    2045499.9790753934,
                    549.3367923350014
                  ],
                  [
                    717299.9904174104,
                    2045499.9790753934,
                    -119.12320766499863
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:47:29+00:00",
            "end_time": "2019-01-21T19:16:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2037500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18895241083318,
              18.409978430184534,
              -84.34679381221554
            ],
            [
              -67.18885787961007,
              18.41901232095789,
              -84.34679381221554
            ],
            [
              -67.17939365370026,
              18.41892182673388,
              506.3732061877845
            ],
            [
              -67.17948867823826,
              18.409887983439873,
              506.3732061877845
            ],
            [
              -67.18895241083318,
              18.409978430184534,
              -84.34679381221554
            ]
          ]
        ]
      },
      "bbox": [
        -67.18895241,
        18.40988798,
        -84.34679381,
        -67.17939365,
        18.41901232,
        506.3732062
      ],
      "properties": {
        "datetime": "2019-01-26T13:11:16Z",
        "pc:count": 15827189,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691856.4411,
            "count": 15827189,
            "maximum": 692300.0104,
            "minimum": 691299.9904,
            "name": "X",
            "position": 0,
            "stddev": 276.4486853,
            "variance": 76423.87559
          },
          {
            "average": 2036893.464,
            "count": 15827189,
            "maximum": 2037499.999,
            "minimum": 2036499.979,
            "name": "Y",
            "position": 1,
            "stddev": 274.6684868,
            "variance": 75442.77764
          },
          {
            "average": -0.3656720407,
            "count": 15827189,
            "maximum": 506.3732062,
            "minimum": -84.34679381,
            "name": "Z",
            "position": 2,
            "stddev": 8.12585741,
            "variance": 66.02955866
          },
          {
            "average": 254.2402092,
            "count": 15827189,
            "maximum": 3819,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 421.448795,
            "variance": 177619.0868
          },
          {
            "average": 1.749197978,
            "count": 15827189,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.041399706,
            "variance": 1.084513347
          },
          {
            "average": 2.498650518,
            "count": 15827189,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.393898808,
            "variance": 1.942953886
          },
          {
            "average": 0.5601945488,
            "count": 15827189,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4963634071,
            "variance": 0.2463766319
          },
          {
            "average": 0.002307232194,
            "count": 15827189,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.047978214,
            "variance": 0.002301909019
          },
          {
            "average": 30.71181427,
            "count": 15827189,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.39152929,
            "variance": 415.8144668
          },
          {
            "average": 0.6582877385,
            "count": 15827189,
            "maximum": 20.61000061,
            "minimum": -22.01399994,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.63979542,
            "variance": 186.0440191
          },
          {
            "average": 0.8506313408,
            "count": 15827189,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.8413865293,
            "variance": 0.7079312916
          },
          {
            "average": 105.3576676,
            "count": 15827189,
            "maximum": 108,
            "minimum": 103,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.15482952,
            "variance": 1.33363122
          },
          {
            "average": 232542431.3,
            "count": 15827189,
            "maximum": 232543476.2,
            "minimum": 232541429.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 555.6676887,
            "variance": 308766.5802
          },
          {
            "average": 0.8506313408,
            "count": 15827189,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.8413865293,
            "variance": 0.7079312916
          },
          {
            "average": 0,
            "count": 15827189,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15827189,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2615252778,
            "count": 15827189,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4394653787,
            "variance": 0.1931298191
          },
          {
            "average": 0,
            "count": 15827189,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691299.9904,
          2036499.979,
          -84.34679381,
          692300.0104,
          2037499.999,
          506.3732062
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691299.9904062466,
                2036499.9792455023,
                -84.34679381221554
              ],
              [
                691299.9904062466,
                2037499.9992455023,
                -84.34679381221554
              ],
              [
                692300.0104062466,
                2037499.9992455023,
                506.3732061877845
              ],
              [
                692300.0104062466,
                2036499.9792455023,
                506.3732061877845
              ],
              [
                691299.9904062466,
                2036499.9792455023,
                -84.34679381221554
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T13:11:16+00:00",
        "end_time": "2019-01-26T12:37:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2037500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2037500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2037500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2037500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18895241,
            18.40988798,
            -84.34679381,
            -67.17939365,
            18.41901232,
            506.3732062
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18895241083318,
                  18.409978430184534,
                  -84.34679381221554
                ],
                [
                  -67.18885787961007,
                  18.41901232095789,
                  -84.34679381221554
                ],
                [
                  -67.17939365370026,
                  18.41892182673388,
                  506.3732061877845
                ],
                [
                  -67.17948867823826,
                  18.409887983439873,
                  506.3732061877845
                ],
                [
                  -67.18895241083318,
                  18.409978430184534,
                  -84.34679381221554
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2037500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2037500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T13:11:16Z",
            "pc:count": 15827189,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691856.4411,
                "count": 15827189,
                "maximum": 692300.0104,
                "minimum": 691299.9904,
                "name": "X",
                "position": 0,
                "stddev": 276.4486853,
                "variance": 76423.87559
              },
              {
                "average": 2036893.464,
                "count": 15827189,
                "maximum": 2037499.999,
                "minimum": 2036499.979,
                "name": "Y",
                "position": 1,
                "stddev": 274.6684868,
                "variance": 75442.77764
              },
              {
                "average": -0.3656720407,
                "count": 15827189,
                "maximum": 506.3732062,
                "minimum": -84.34679381,
                "name": "Z",
                "position": 2,
                "stddev": 8.12585741,
                "variance": 66.02955866
              },
              {
                "average": 254.2402092,
                "count": 15827189,
                "maximum": 3819,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 421.448795,
                "variance": 177619.0868
              },
              {
                "average": 1.749197978,
                "count": 15827189,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.041399706,
                "variance": 1.084513347
              },
              {
                "average": 2.498650518,
                "count": 15827189,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.393898808,
                "variance": 1.942953886
              },
              {
                "average": 0.5601945488,
                "count": 15827189,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4963634071,
                "variance": 0.2463766319
              },
              {
                "average": 0.002307232194,
                "count": 15827189,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.047978214,
                "variance": 0.002301909019
              },
              {
                "average": 30.71181427,
                "count": 15827189,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.39152929,
                "variance": 415.8144668
              },
              {
                "average": 0.6582877385,
                "count": 15827189,
                "maximum": 20.61000061,
                "minimum": -22.01399994,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.63979542,
                "variance": 186.0440191
              },
              {
                "average": 0.8506313408,
                "count": 15827189,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.8413865293,
                "variance": 0.7079312916
              },
              {
                "average": 105.3576676,
                "count": 15827189,
                "maximum": 108,
                "minimum": 103,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.15482952,
                "variance": 1.33363122
              },
              {
                "average": 232542431.3,
                "count": 15827189,
                "maximum": 232543476.2,
                "minimum": 232541429.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 555.6676887,
                "variance": 308766.5802
              },
              {
                "average": 0.8506313408,
                "count": 15827189,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.8413865293,
                "variance": 0.7079312916
              },
              {
                "average": 0,
                "count": 15827189,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15827189,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2615252778,
                "count": 15827189,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4394653787,
                "variance": 0.1931298191
              },
              {
                "average": 0,
                "count": 15827189,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691299.9904,
              2036499.979,
              -84.34679381,
              692300.0104,
              2037499.999,
              506.3732062
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691299.9904062466,
                    2036499.9792455023,
                    -84.34679381221554
                  ],
                  [
                    691299.9904062466,
                    2037499.9992455023,
                    -84.34679381221554
                  ],
                  [
                    692300.0104062466,
                    2037499.9992455023,
                    506.3732061877845
                  ],
                  [
                    692300.0104062466,
                    2036499.9792455023,
                    506.3732061877845
                  ],
                  [
                    691299.9904062466,
                    2036499.9792455023,
                    -84.34679381221554
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T13:11:16+00:00",
            "end_time": "2019-01-26T12:37:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_724300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.87568651465689,
              18.48803301866839,
              -118.18206031355822
            ],
            [
              -66.87557513482328,
              18.497065129099315,
              -118.18206031355822
            ],
            [
              -66.8661084235039,
              18.496958595895308,
              550.6979396864417
            ],
            [
              -66.8662202987443,
              18.48792654114454,
              550.6979396864417
            ],
            [
              -66.87568651465689,
              18.48803301866839,
              -118.18206031355822
            ]
          ]
        ]
      },
      "bbox": [
        -66.87568651,
        18.48792654,
        -118.1820603,
        -66.86610842,
        18.49706513,
        550.6979397
      ],
      "properties": {
        "datetime": "2019-01-21T20:02:42Z",
        "pc:count": 18468862,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 724802.3496,
            "count": 18468862,
            "maximum": 725300.0104,
            "minimum": 724299.9904,
            "name": "X",
            "position": 0,
            "stddev": 282.6451134,
            "variance": 79888.26011
          },
          {
            "average": 2045892.184,
            "count": 18468862,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 240.4755894,
            "variance": 57828.50912
          },
          {
            "average": -0.2827924583,
            "count": 18468862,
            "maximum": 550.6979397,
            "minimum": -118.1820603,
            "name": "Z",
            "position": 2,
            "stddev": 9.650686909,
            "variance": 93.13575781
          },
          {
            "average": 859.6128521,
            "count": 18468862,
            "maximum": 4667,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 672.8238316,
            "variance": 452691.9083
          },
          {
            "average": 1.622339373,
            "count": 18468862,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9531360549,
            "variance": 0.9084683392
          },
          {
            "average": 2.244584967,
            "count": 18468862,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.309759279,
            "variance": 1.715469369
          },
          {
            "average": 0.4556333249,
            "count": 18468862,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4980277217,
            "variance": 0.2480316116
          },
          {
            "average": 0.001990864407,
            "count": 18468862,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0445746674,
            "variance": 0.001986900974
          },
          {
            "average": 19.60474159,
            "count": 18468862,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.1237278,
            "variance": 446.211876
          },
          {
            "average": 1.07810165,
            "count": 18468862,
            "maximum": 24.44400024,
            "minimum": -23.54400063,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.47332152,
            "variance": 181.5303928
          },
          {
            "average": 0.8532661623,
            "count": 18468862,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9594106228,
            "variance": 0.9204687432
          },
          {
            "average": 89.00833917,
            "count": 18468862,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.071089577,
            "variance": 1.147232883
          },
          {
            "average": 232135126.1,
            "count": 18468862,
            "maximum": 232136162.6,
            "minimum": 232133485.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 573.1154018,
            "variance": 328461.2638
          },
          {
            "average": 0.8532661623,
            "count": 18468862,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9594106228,
            "variance": 0.9204687432
          },
          {
            "average": 0,
            "count": 18468862,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 18468862,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2320629717,
            "count": 18468862,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4221489767,
            "variance": 0.1782097585
          },
          {
            "average": 0,
            "count": 18468862,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          724299.9904,
          2045499.979,
          -118.1820603,
          725300.0104,
          2046499.999,
          550.6979397
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                724299.9903570634,
                2045499.979180732,
                -118.18206031355822
              ],
              [
                724299.9903570634,
                2046499.999180732,
                -118.18206031355822
              ],
              [
                725300.0103570634,
                2046499.999180732,
                550.6979396864417
              ],
              [
                725300.0103570634,
                2045499.979180732,
                550.6979396864417
              ],
              [
                724299.9903570634,
                2045499.979180732,
                -118.18206031355822
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:02:42+00:00",
        "end_time": "2019-01-21T19:18:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_724300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_724300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_724300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_724300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.87568651,
            18.48792654,
            -118.1820603,
            -66.86610842,
            18.49706513,
            550.6979397
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.87568651465689,
                  18.48803301866839,
                  -118.18206031355822
                ],
                [
                  -66.87557513482328,
                  18.497065129099315,
                  -118.18206031355822
                ],
                [
                  -66.8661084235039,
                  18.496958595895308,
                  550.6979396864417
                ],
                [
                  -66.8662202987443,
                  18.48792654114454,
                  550.6979396864417
                ],
                [
                  -66.87568651465689,
                  18.48803301866839,
                  -118.18206031355822
                ]
              ]
            ]
          },
          "id": "20190121_724300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_724300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:02:42Z",
            "pc:count": 18468862,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 724802.3496,
                "count": 18468862,
                "maximum": 725300.0104,
                "minimum": 724299.9904,
                "name": "X",
                "position": 0,
                "stddev": 282.6451134,
                "variance": 79888.26011
              },
              {
                "average": 2045892.184,
                "count": 18468862,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 240.4755894,
                "variance": 57828.50912
              },
              {
                "average": -0.2827924583,
                "count": 18468862,
                "maximum": 550.6979397,
                "minimum": -118.1820603,
                "name": "Z",
                "position": 2,
                "stddev": 9.650686909,
                "variance": 93.13575781
              },
              {
                "average": 859.6128521,
                "count": 18468862,
                "maximum": 4667,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 672.8238316,
                "variance": 452691.9083
              },
              {
                "average": 1.622339373,
                "count": 18468862,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9531360549,
                "variance": 0.9084683392
              },
              {
                "average": 2.244584967,
                "count": 18468862,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.309759279,
                "variance": 1.715469369
              },
              {
                "average": 0.4556333249,
                "count": 18468862,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4980277217,
                "variance": 0.2480316116
              },
              {
                "average": 0.001990864407,
                "count": 18468862,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0445746674,
                "variance": 0.001986900974
              },
              {
                "average": 19.60474159,
                "count": 18468862,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.1237278,
                "variance": 446.211876
              },
              {
                "average": 1.07810165,
                "count": 18468862,
                "maximum": 24.44400024,
                "minimum": -23.54400063,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.47332152,
                "variance": 181.5303928
              },
              {
                "average": 0.8532661623,
                "count": 18468862,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9594106228,
                "variance": 0.9204687432
              },
              {
                "average": 89.00833917,
                "count": 18468862,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.071089577,
                "variance": 1.147232883
              },
              {
                "average": 232135126.1,
                "count": 18468862,
                "maximum": 232136162.6,
                "minimum": 232133485.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 573.1154018,
                "variance": 328461.2638
              },
              {
                "average": 0.8532661623,
                "count": 18468862,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9594106228,
                "variance": 0.9204687432
              },
              {
                "average": 0,
                "count": 18468862,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 18468862,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2320629717,
                "count": 18468862,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4221489767,
                "variance": 0.1782097585
              },
              {
                "average": 0,
                "count": 18468862,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              724299.9904,
              2045499.979,
              -118.1820603,
              725300.0104,
              2046499.999,
              550.6979397
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    724299.9903570634,
                    2045499.979180732,
                    -118.18206031355822
                  ],
                  [
                    724299.9903570634,
                    2046499.999180732,
                    -118.18206031355822
                  ],
                  [
                    725300.0103570634,
                    2046499.999180732,
                    550.6979396864417
                  ],
                  [
                    725300.0103570634,
                    2045499.979180732,
                    550.6979396864417
                  ],
                  [
                    724299.9903570634,
                    2045499.979180732,
                    -118.18206031355822
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:02:42+00:00",
            "end_time": "2019-01-21T19:18:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_694300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15988867524409,
              18.47294046303414,
              -141.05271965817218
            ],
            [
              -67.15979227540976,
              18.481974147099006,
              -141.05271965817218
            ],
            [
              -67.15051466841248,
              18.481883757125484,
              545.1072803418278
            ],
            [
              -67.15061155358343,
              18.472850120344894,
              545.1072803418278
            ],
            [
              -67.15988867524409,
              18.47294046303414,
              -141.05271965817218
            ]
          ]
        ]
      },
      "bbox": [
        -67.15988868,
        18.47285012,
        -141.0527197,
        -67.15051467,
        18.48197415,
        545.1072803
      ],
      "properties": {
        "datetime": "2019-01-27T14:28:50Z",
        "pc:count": 22257444,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694679.6635,
            "count": 22257444,
            "maximum": 695279.9547,
            "minimum": 694299.9947,
            "name": "X",
            "position": 0,
            "stddev": 227.4929959,
            "variance": 51753.0632
          },
          {
            "average": 2044043.975,
            "count": 22257444,
            "maximum": 2044500,
            "minimum": 2043499.98,
            "name": "Y",
            "position": 1,
            "stddev": 286.6205778,
            "variance": 82151.35564
          },
          {
            "average": 52.57750025,
            "count": 22257444,
            "maximum": 545.1072803,
            "minimum": -141.0527197,
            "name": "Z",
            "position": 2,
            "stddev": 21.37424008,
            "variance": 456.858139
          },
          {
            "average": 1452.037565,
            "count": 22257444,
            "maximum": 4759,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 548.0780663,
            "variance": 300389.5667
          },
          {
            "average": 1.877805601,
            "count": 22257444,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.358890798,
            "variance": 1.846584202
          },
          {
            "average": 2.75570052,
            "count": 22257444,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.972680533,
            "variance": 3.891468484
          },
          {
            "average": 0.3390838139,
            "count": 22257444,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.473398343,
            "variance": 0.2241059911
          },
          {
            "average": 0.001326297844,
            "count": 22257444,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03639421435,
            "variance": 0.001324538838
          },
          {
            "average": 1.192736776,
            "count": 22257444,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4971943962,
            "variance": 0.2472022676
          },
          {
            "average": 0.1335394797,
            "count": 22257444,
            "maximum": 21.1079998,
            "minimum": -22.75799942,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.44177378,
            "variance": 180.6812824
          },
          {
            "average": 1.101655608,
            "count": 22257444,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.188761617,
            "variance": 1.413154181
          },
          {
            "average": 108.8708304,
            "count": 22257444,
            "maximum": 110,
            "minimum": 107,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9085676144,
            "variance": 0.8254951099
          },
          {
            "average": 232602137.2,
            "count": 22257444,
            "maximum": 232634530.2,
            "minimum": 232543126,
            "name": "GpsTime",
            "position": 12,
            "stddev": 43479.62752,
            "variance": 1890478010
          },
          {
            "average": 1.101655608,
            "count": 22257444,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.188761617,
            "variance": 1.413154181
          },
          {
            "average": 0,
            "count": 22257444,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22257444,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.235640849,
            "count": 22257444,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4243986892,
            "variance": 0.1801142474
          },
          {
            "average": 0,
            "count": 22257444,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9947,
          2043499.98,
          -141.0527197,
          695279.9547,
          2044500,
          545.1072803
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9946900965,
                2043499.9795125376,
                -141.05271965817218
              ],
              [
                694299.9946900965,
                2044499.9995125376,
                -141.05271965817218
              ],
              [
                695279.9546900964,
                2044499.9995125376,
                545.1072803418278
              ],
              [
                695279.9546900964,
                2043499.9795125376,
                545.1072803418278
              ],
              [
                694299.9946900965,
                2043499.9795125376,
                -141.05271965817218
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:28:50+00:00",
        "end_time": "2019-01-26T13:05:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_694300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_694300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_694300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_694300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15988868,
            18.47285012,
            -141.0527197,
            -67.15051467,
            18.48197415,
            545.1072803
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15988867524409,
                  18.47294046303414,
                  -141.05271965817218
                ],
                [
                  -67.15979227540976,
                  18.481974147099006,
                  -141.05271965817218
                ],
                [
                  -67.15051466841248,
                  18.481883757125484,
                  545.1072803418278
                ],
                [
                  -67.15061155358343,
                  18.472850120344894,
                  545.1072803418278
                ],
                [
                  -67.15988867524409,
                  18.47294046303414,
                  -141.05271965817218
                ]
              ]
            ]
          },
          "id": "20190126_694300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_694300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:28:50Z",
            "pc:count": 22257444,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694679.6635,
                "count": 22257444,
                "maximum": 695279.9547,
                "minimum": 694299.9947,
                "name": "X",
                "position": 0,
                "stddev": 227.4929959,
                "variance": 51753.0632
              },
              {
                "average": 2044043.975,
                "count": 22257444,
                "maximum": 2044500,
                "minimum": 2043499.98,
                "name": "Y",
                "position": 1,
                "stddev": 286.6205778,
                "variance": 82151.35564
              },
              {
                "average": 52.57750025,
                "count": 22257444,
                "maximum": 545.1072803,
                "minimum": -141.0527197,
                "name": "Z",
                "position": 2,
                "stddev": 21.37424008,
                "variance": 456.858139
              },
              {
                "average": 1452.037565,
                "count": 22257444,
                "maximum": 4759,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 548.0780663,
                "variance": 300389.5667
              },
              {
                "average": 1.877805601,
                "count": 22257444,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.358890798,
                "variance": 1.846584202
              },
              {
                "average": 2.75570052,
                "count": 22257444,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.972680533,
                "variance": 3.891468484
              },
              {
                "average": 0.3390838139,
                "count": 22257444,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.473398343,
                "variance": 0.2241059911
              },
              {
                "average": 0.001326297844,
                "count": 22257444,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03639421435,
                "variance": 0.001324538838
              },
              {
                "average": 1.192736776,
                "count": 22257444,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4971943962,
                "variance": 0.2472022676
              },
              {
                "average": 0.1335394797,
                "count": 22257444,
                "maximum": 21.1079998,
                "minimum": -22.75799942,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.44177378,
                "variance": 180.6812824
              },
              {
                "average": 1.101655608,
                "count": 22257444,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.188761617,
                "variance": 1.413154181
              },
              {
                "average": 108.8708304,
                "count": 22257444,
                "maximum": 110,
                "minimum": 107,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9085676144,
                "variance": 0.8254951099
              },
              {
                "average": 232602137.2,
                "count": 22257444,
                "maximum": 232634530.2,
                "minimum": 232543126,
                "name": "GpsTime",
                "position": 12,
                "stddev": 43479.62752,
                "variance": 1890478010
              },
              {
                "average": 1.101655608,
                "count": 22257444,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.188761617,
                "variance": 1.413154181
              },
              {
                "average": 0,
                "count": 22257444,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22257444,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.235640849,
                "count": 22257444,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4243986892,
                "variance": 0.1801142474
              },
              {
                "average": 0,
                "count": 22257444,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9947,
              2043499.98,
              -141.0527197,
              695279.9547,
              2044500,
              545.1072803
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9946900965,
                    2043499.9795125376,
                    -141.05271965817218
                  ],
                  [
                    694299.9946900965,
                    2044499.9995125376,
                    -141.05271965817218
                  ],
                  [
                    695279.9546900964,
                    2044499.9995125376,
                    545.1072803418278
                  ],
                  [
                    695279.9546900964,
                    2043499.9795125376,
                    545.1072803418278
                  ],
                  [
                    694299.9946900965,
                    2043499.9795125376,
                    -141.05271965817218
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:28:50+00:00",
            "end_time": "2019-01-26T13:05:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_725300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.8662204892576,
              18.487926546237624,
              -117.40400937332458
            ],
            [
              -66.86610861402714,
              18.49695860098951,
              -117.40400937332458
            ],
            [
              -66.85664196717093,
              18.49685159493702,
              545.0959906266754
            ],
            [
              -66.8567543377926,
              18.487819596112367,
              545.0959906266754
            ],
            [
              -66.8662204892576,
              18.487926546237624,
              -117.40400937332458
            ]
          ]
        ]
      },
      "bbox": [
        -66.86622049,
        18.4878196,
        -117.4040094,
        -66.85664197,
        18.4969586,
        545.0959906
      ],
      "properties": {
        "datetime": "2019-01-21T20:02:26Z",
        "pc:count": 17528320,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 725792.7528,
            "count": 17528320,
            "maximum": 726300.0102,
            "minimum": 725299.9902,
            "name": "X",
            "position": 0,
            "stddev": 290.9726272,
            "variance": 84665.0698
          },
          {
            "average": 2045895.258,
            "count": 17528320,
            "maximum": 2046500,
            "minimum": 2045499.98,
            "name": "Y",
            "position": 1,
            "stddev": 251.2286493,
            "variance": 63115.83425
          },
          {
            "average": 0.9620474188,
            "count": 17528320,
            "maximum": 545.0959906,
            "minimum": -117.4040094,
            "name": "Z",
            "position": 2,
            "stddev": 9.460871543,
            "variance": 89.50809035
          },
          {
            "average": 1063.013826,
            "count": 17528320,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 688.0689172,
            "variance": 473438.8348
          },
          {
            "average": 1.489175289,
            "count": 17528320,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8842310141,
            "variance": 0.7818644863
          },
          {
            "average": 1.978479227,
            "count": 17528320,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.271699534,
            "variance": 1.617219704
          },
          {
            "average": 0.426757841,
            "count": 17528320,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4946065104,
            "variance": 0.2446356001
          },
          {
            "average": 0.002190112914,
            "count": 17528320,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04674736832,
            "variance": 0.002185316445
          },
          {
            "average": 14.65500801,
            "count": 17528320,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.87963213,
            "variance": 395.1997735
          },
          {
            "average": 1.409385685,
            "count": 17528320,
            "maximum": 26.58600044,
            "minimum": -23.63400078,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.77192646,
            "variance": 189.6659585
          },
          {
            "average": 0.9533546854,
            "count": 17528320,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.047694269,
            "variance": 1.097663281
          },
          {
            "average": 88.99217552,
            "count": 17528320,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.138505886,
            "variance": 1.296195652
          },
          {
            "average": 232135116.5,
            "count": 17528320,
            "maximum": 232136146.5,
            "minimum": 232133493.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 609.9335958,
            "variance": 372018.9913
          },
          {
            "average": 0.9533546854,
            "count": 17528320,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.047694269,
            "variance": 1.097663281
          },
          {
            "average": 0,
            "count": 17528320,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17528320,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2538752145,
            "count": 17528320,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4352270681,
            "variance": 0.1894226008
          },
          {
            "average": 0,
            "count": 17528320,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          725299.9902,
          2045499.98,
          -117.4040094,
          726300.0102,
          2046500,
          545.0959906
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                725299.9902271375,
                2045499.9795067979,
                -117.40400937332458
              ],
              [
                725299.9902271375,
                2046499.9995067979,
                -117.40400937332458
              ],
              [
                726300.0102271375,
                2046499.9995067979,
                545.0959906266754
              ],
              [
                726300.0102271375,
                2045499.9795067979,
                545.0959906266754
              ],
              [
                725299.9902271375,
                2045499.9795067979,
                -117.40400937332458
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:02:26+00:00",
        "end_time": "2019-01-21T19:18:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_725300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_725300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_725300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_725300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.86622049,
            18.4878196,
            -117.4040094,
            -66.85664197,
            18.4969586,
            545.0959906
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.8662204892576,
                  18.487926546237624,
                  -117.40400937332458
                ],
                [
                  -66.86610861402714,
                  18.49695860098951,
                  -117.40400937332458
                ],
                [
                  -66.85664196717093,
                  18.49685159493702,
                  545.0959906266754
                ],
                [
                  -66.8567543377926,
                  18.487819596112367,
                  545.0959906266754
                ],
                [
                  -66.8662204892576,
                  18.487926546237624,
                  -117.40400937332458
                ]
              ]
            ]
          },
          "id": "20190121_725300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_725300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:02:26Z",
            "pc:count": 17528320,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 725792.7528,
                "count": 17528320,
                "maximum": 726300.0102,
                "minimum": 725299.9902,
                "name": "X",
                "position": 0,
                "stddev": 290.9726272,
                "variance": 84665.0698
              },
              {
                "average": 2045895.258,
                "count": 17528320,
                "maximum": 2046500,
                "minimum": 2045499.98,
                "name": "Y",
                "position": 1,
                "stddev": 251.2286493,
                "variance": 63115.83425
              },
              {
                "average": 0.9620474188,
                "count": 17528320,
                "maximum": 545.0959906,
                "minimum": -117.4040094,
                "name": "Z",
                "position": 2,
                "stddev": 9.460871543,
                "variance": 89.50809035
              },
              {
                "average": 1063.013826,
                "count": 17528320,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 688.0689172,
                "variance": 473438.8348
              },
              {
                "average": 1.489175289,
                "count": 17528320,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8842310141,
                "variance": 0.7818644863
              },
              {
                "average": 1.978479227,
                "count": 17528320,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.271699534,
                "variance": 1.617219704
              },
              {
                "average": 0.426757841,
                "count": 17528320,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4946065104,
                "variance": 0.2446356001
              },
              {
                "average": 0.002190112914,
                "count": 17528320,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04674736832,
                "variance": 0.002185316445
              },
              {
                "average": 14.65500801,
                "count": 17528320,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.87963213,
                "variance": 395.1997735
              },
              {
                "average": 1.409385685,
                "count": 17528320,
                "maximum": 26.58600044,
                "minimum": -23.63400078,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.77192646,
                "variance": 189.6659585
              },
              {
                "average": 0.9533546854,
                "count": 17528320,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.047694269,
                "variance": 1.097663281
              },
              {
                "average": 88.99217552,
                "count": 17528320,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.138505886,
                "variance": 1.296195652
              },
              {
                "average": 232135116.5,
                "count": 17528320,
                "maximum": 232136146.5,
                "minimum": 232133493.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 609.9335958,
                "variance": 372018.9913
              },
              {
                "average": 0.9533546854,
                "count": 17528320,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.047694269,
                "variance": 1.097663281
              },
              {
                "average": 0,
                "count": 17528320,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17528320,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2538752145,
                "count": 17528320,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4352270681,
                "variance": 0.1894226008
              },
              {
                "average": 0,
                "count": 17528320,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              725299.9902,
              2045499.98,
              -117.4040094,
              726300.0102,
              2046500,
              545.0959906
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    725299.9902271375,
                    2045499.9795067979,
                    -117.40400937332458
                  ],
                  [
                    725299.9902271375,
                    2046499.9995067979,
                    -117.40400937332458
                  ],
                  [
                    726300.0102271375,
                    2046499.9995067979,
                    545.0959906266754
                  ],
                  [
                    726300.0102271375,
                    2045499.9795067979,
                    545.0959906266754
                  ],
                  [
                    725299.9902271375,
                    2045499.9795067979,
                    -117.40400937332458
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:02:26+00:00",
            "end_time": "2019-01-21T19:18:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_732300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.8000400500358,
              18.480906077942432,
              -120.0515077794119
            ],
            [
              -66.79996011671795,
              18.487168148607086,
              -120.0515077794119
            ],
            [
              -66.79049442436414,
              18.487057890665984,
              558.4084922205882
            ],
            [
              -66.79057470091517,
              18.480795859973796,
              558.4084922205882
            ],
            [
              -66.8000400500358,
              18.480906077942432,
              -120.0515077794119
            ]
          ]
        ]
      },
      "bbox": [
        -66.80004005,
        18.48079586,
        -120.0515078,
        -66.79049442,
        18.48716815,
        558.4084922
      ],
      "properties": {
        "datetime": "2019-04-03T15:53:14Z",
        "pc:count": 7384004,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 732826.3303,
            "count": 7384004,
            "maximum": 733300.0107,
            "minimum": 732299.9907,
            "name": "X",
            "position": 0,
            "stddev": 289.9313999,
            "variance": 84060.21666
          },
          {
            "average": 2045330.763,
            "count": 7384004,
            "maximum": 2045499.997,
            "minimum": 2044806.637,
            "name": "Y",
            "position": 1,
            "stddev": 122.2427987,
            "variance": 14943.30182
          },
          {
            "average": 22.18069877,
            "count": 7384004,
            "maximum": 558.4084922,
            "minimum": -120.0515078,
            "name": "Z",
            "position": 2,
            "stddev": 9.375490616,
            "variance": 87.89982429
          },
          {
            "average": 1590.043073,
            "count": 7384004,
            "maximum": 4182,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 511.618642,
            "variance": 261753.6349
          },
          {
            "average": 1.639081723,
            "count": 7384004,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.248632956,
            "variance": 1.55908426
          },
          {
            "average": 2.279638798,
            "count": 7384004,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.906710004,
            "variance": 3.635543039
          },
          {
            "average": 0.3456810153,
            "count": 7384004,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.475589825,
            "variance": 0.2261856816
          },
          {
            "average": 0.001293200816,
            "count": 7384004,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03593784388,
            "variance": 0.001291528623
          },
          {
            "average": 1.314610203,
            "count": 7384004,
            "maximum": 40,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9673155784,
            "variance": 0.9356994282
          },
          {
            "average": 2.711466324,
            "count": 7384004,
            "maximum": 21.99600029,
            "minimum": -22.29599953,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.55850113,
            "variance": 183.8329528
          },
          {
            "average": 1.139291907,
            "count": 7384004,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.195210373,
            "variance": 1.428527835
          },
          {
            "average": 91.03417509,
            "count": 7384004,
            "maximum": 152,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.400372363,
            "variance": 19.36327693
          },
          {
            "average": 232167800.1,
            "count": 7384004,
            "maximum": 238341994.9,
            "minimum": 232135785.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 443324.3842,
            "variance": 196536509700.0
          },
          {
            "average": 1.139291907,
            "count": 7384004,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.195210373,
            "variance": 1.428527835
          },
          {
            "average": 0,
            "count": 7384004,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7384004,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2118251832,
            "count": 7384004,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4086016368,
            "variance": 0.1669552976
          },
          {
            "average": 0,
            "count": 7384004,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          732299.9907,
          2044806.637,
          -120.0515078,
          733300.0107,
          2045499.997,
          558.4084922
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                732299.9907336645,
                2044806.6374373732,
                -120.0515077794119
              ],
              [
                732299.9907336645,
                2045499.997437373,
                -120.0515077794119
              ],
              [
                733300.0107336645,
                2045499.997437373,
                558.4084922205882
              ],
              [
                733300.0107336645,
                2044806.6374373732,
                558.4084922205882
              ],
              [
                732299.9907336645,
                2044806.6374373732,
                -120.0515077794119
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T15:53:14+00:00",
        "end_time": "2019-01-21T19:56:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_732300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_732300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_732300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_732300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.80004005,
            18.48079586,
            -120.0515078,
            -66.79049442,
            18.48716815,
            558.4084922
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.8000400500358,
                  18.480906077942432,
                  -120.0515077794119
                ],
                [
                  -66.79996011671795,
                  18.487168148607086,
                  -120.0515077794119
                ],
                [
                  -66.79049442436414,
                  18.487057890665984,
                  558.4084922205882
                ],
                [
                  -66.79057470091517,
                  18.480795859973796,
                  558.4084922205882
                ],
                [
                  -66.8000400500358,
                  18.480906077942432,
                  -120.0515077794119
                ]
              ]
            ]
          },
          "id": "20190121_732300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_732300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T15:53:14Z",
            "pc:count": 7384004,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 732826.3303,
                "count": 7384004,
                "maximum": 733300.0107,
                "minimum": 732299.9907,
                "name": "X",
                "position": 0,
                "stddev": 289.9313999,
                "variance": 84060.21666
              },
              {
                "average": 2045330.763,
                "count": 7384004,
                "maximum": 2045499.997,
                "minimum": 2044806.637,
                "name": "Y",
                "position": 1,
                "stddev": 122.2427987,
                "variance": 14943.30182
              },
              {
                "average": 22.18069877,
                "count": 7384004,
                "maximum": 558.4084922,
                "minimum": -120.0515078,
                "name": "Z",
                "position": 2,
                "stddev": 9.375490616,
                "variance": 87.89982429
              },
              {
                "average": 1590.043073,
                "count": 7384004,
                "maximum": 4182,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 511.618642,
                "variance": 261753.6349
              },
              {
                "average": 1.639081723,
                "count": 7384004,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.248632956,
                "variance": 1.55908426
              },
              {
                "average": 2.279638798,
                "count": 7384004,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.906710004,
                "variance": 3.635543039
              },
              {
                "average": 0.3456810153,
                "count": 7384004,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.475589825,
                "variance": 0.2261856816
              },
              {
                "average": 0.001293200816,
                "count": 7384004,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03593784388,
                "variance": 0.001291528623
              },
              {
                "average": 1.314610203,
                "count": 7384004,
                "maximum": 40,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9673155784,
                "variance": 0.9356994282
              },
              {
                "average": 2.711466324,
                "count": 7384004,
                "maximum": 21.99600029,
                "minimum": -22.29599953,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.55850113,
                "variance": 183.8329528
              },
              {
                "average": 1.139291907,
                "count": 7384004,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.195210373,
                "variance": 1.428527835
              },
              {
                "average": 91.03417509,
                "count": 7384004,
                "maximum": 152,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.400372363,
                "variance": 19.36327693
              },
              {
                "average": 232167800.1,
                "count": 7384004,
                "maximum": 238341994.9,
                "minimum": 232135785.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 443324.3842,
                "variance": 196536509700.0
              },
              {
                "average": 1.139291907,
                "count": 7384004,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.195210373,
                "variance": 1.428527835
              },
              {
                "average": 0,
                "count": 7384004,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7384004,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2118251832,
                "count": 7384004,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4086016368,
                "variance": 0.1669552976
              },
              {
                "average": 0,
                "count": 7384004,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              732299.9907,
              2044806.637,
              -120.0515078,
              733300.0107,
              2045499.997,
              558.4084922
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    732299.9907336645,
                    2044806.6374373732,
                    -120.0515077794119
                  ],
                  [
                    732299.9907336645,
                    2045499.997437373,
                    -120.0515077794119
                  ],
                  [
                    733300.0107336645,
                    2045499.997437373,
                    558.4084922205882
                  ],
                  [
                    733300.0107336645,
                    2044806.6374373732,
                    558.4084922205882
                  ],
                  [
                    732299.9907336645,
                    2044806.6374373732,
                    -120.0515077794119
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T15:53:14+00:00",
            "end_time": "2019-01-21T19:56:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2037500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1794888667365,
              18.409887986922673,
              -128.46565395095018
            ],
            [
              -67.17939384220833,
              18.418921830217617,
              -128.46565395095018
            ],
            [
              -67.16992967122164,
              18.418830864942173,
              545.4143460490498
            ],
            [
              -67.17002518905146,
              18.409797069373674,
              545.4143460490498
            ],
            [
              -67.1794888667365,
              18.409887986922673,
              -128.46565395095018
            ]
          ]
        ]
      },
      "bbox": [
        -67.17948887,
        18.40979707,
        -128.465654,
        -67.16992967,
        18.41892183,
        545.414346
      ],
      "properties": {
        "datetime": "2019-01-27T14:34:19Z",
        "pc:count": 22682318,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692804.2278,
            "count": 22682318,
            "maximum": 693300.0105,
            "minimum": 692299.9905,
            "name": "X",
            "position": 0,
            "stddev": 281.5958772,
            "variance": 79296.23806
          },
          {
            "average": 2036906.925,
            "count": 22682318,
            "maximum": 2037499.999,
            "minimum": 2036499.979,
            "name": "Y",
            "position": 1,
            "stddev": 265.9909613,
            "variance": 70751.19148
          },
          {
            "average": -0.7217300645,
            "count": 22682318,
            "maximum": 545.414346,
            "minimum": -128.465654,
            "name": "Z",
            "position": 2,
            "stddev": 6.913401533,
            "variance": 47.79512075
          },
          {
            "average": 309.7469474,
            "count": 22682318,
            "maximum": 3843,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 348.6140263,
            "variance": 121531.7393
          },
          {
            "average": 1.951123338,
            "count": 22682318,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.143950415,
            "variance": 1.308622553
          },
          {
            "average": 2.902456222,
            "count": 22682318,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.438767924,
            "variance": 2.07005314
          },
          {
            "average": 0.5506927907,
            "count": 22682318,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4974236141,
            "variance": 0.2474302519
          },
          {
            "average": 0.001602481722,
            "count": 22682318,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03999892304,
            "variance": 0.001599913845
          },
          {
            "average": 31.51704001,
            "count": 22682318,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.00407531,
            "variance": 400.163029
          },
          {
            "average": -1.266201897,
            "count": 22682318,
            "maximum": 20.63400078,
            "minimum": -21.70800018,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.7883347,
            "variance": 190.1181738
          },
          {
            "average": 0.7253748052,
            "count": 22682318,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7406552843,
            "variance": 0.5485702502
          },
          {
            "average": 108.8595216,
            "count": 22682318,
            "maximum": 111,
            "minimum": 106,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.210300009,
            "variance": 1.464826113
          },
          {
            "average": 232594273.3,
            "count": 22682318,
            "maximum": 232634859.2,
            "minimum": 232542771.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 45225.22483,
            "variance": 2045320961
          },
          {
            "average": 0.7253748052,
            "count": 22682318,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7406552843,
            "variance": 0.5485702502
          },
          {
            "average": 0,
            "count": 22682318,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22682318,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2642732987,
            "count": 22682318,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4409454965,
            "variance": 0.1944329309
          },
          {
            "average": 0,
            "count": 22682318,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692299.9905,
          2036499.979,
          -128.465654,
          693300.0105,
          2037499.999,
          545.414346
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692299.9904859667,
                2036499.979431077,
                -128.46565395095018
              ],
              [
                692299.9904859667,
                2037499.999431077,
                -128.46565395095018
              ],
              [
                693300.0104859667,
                2037499.999431077,
                545.4143460490498
              ],
              [
                693300.0104859667,
                2036499.979431077,
                545.4143460490498
              ],
              [
                692299.9904859667,
                2036499.979431077,
                -128.46565395095018
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:34:19+00:00",
        "end_time": "2019-01-26T12:59:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2037500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2037500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2037500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2037500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17948887,
            18.40979707,
            -128.465654,
            -67.16992967,
            18.41892183,
            545.414346
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1794888667365,
                  18.409887986922673,
                  -128.46565395095018
                ],
                [
                  -67.17939384220833,
                  18.418921830217617,
                  -128.46565395095018
                ],
                [
                  -67.16992967122164,
                  18.418830864942173,
                  545.4143460490498
                ],
                [
                  -67.17002518905146,
                  18.409797069373674,
                  545.4143460490498
                ],
                [
                  -67.1794888667365,
                  18.409887986922673,
                  -128.46565395095018
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2037500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2037500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:34:19Z",
            "pc:count": 22682318,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692804.2278,
                "count": 22682318,
                "maximum": 693300.0105,
                "minimum": 692299.9905,
                "name": "X",
                "position": 0,
                "stddev": 281.5958772,
                "variance": 79296.23806
              },
              {
                "average": 2036906.925,
                "count": 22682318,
                "maximum": 2037499.999,
                "minimum": 2036499.979,
                "name": "Y",
                "position": 1,
                "stddev": 265.9909613,
                "variance": 70751.19148
              },
              {
                "average": -0.7217300645,
                "count": 22682318,
                "maximum": 545.414346,
                "minimum": -128.465654,
                "name": "Z",
                "position": 2,
                "stddev": 6.913401533,
                "variance": 47.79512075
              },
              {
                "average": 309.7469474,
                "count": 22682318,
                "maximum": 3843,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 348.6140263,
                "variance": 121531.7393
              },
              {
                "average": 1.951123338,
                "count": 22682318,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.143950415,
                "variance": 1.308622553
              },
              {
                "average": 2.902456222,
                "count": 22682318,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.438767924,
                "variance": 2.07005314
              },
              {
                "average": 0.5506927907,
                "count": 22682318,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4974236141,
                "variance": 0.2474302519
              },
              {
                "average": 0.001602481722,
                "count": 22682318,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03999892304,
                "variance": 0.001599913845
              },
              {
                "average": 31.51704001,
                "count": 22682318,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.00407531,
                "variance": 400.163029
              },
              {
                "average": -1.266201897,
                "count": 22682318,
                "maximum": 20.63400078,
                "minimum": -21.70800018,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.7883347,
                "variance": 190.1181738
              },
              {
                "average": 0.7253748052,
                "count": 22682318,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7406552843,
                "variance": 0.5485702502
              },
              {
                "average": 108.8595216,
                "count": 22682318,
                "maximum": 111,
                "minimum": 106,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.210300009,
                "variance": 1.464826113
              },
              {
                "average": 232594273.3,
                "count": 22682318,
                "maximum": 232634859.2,
                "minimum": 232542771.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 45225.22483,
                "variance": 2045320961
              },
              {
                "average": 0.7253748052,
                "count": 22682318,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7406552843,
                "variance": 0.5485702502
              },
              {
                "average": 0,
                "count": 22682318,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22682318,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2642732987,
                "count": 22682318,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4409454965,
                "variance": 0.1944329309
              },
              {
                "average": 0,
                "count": 22682318,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692299.9905,
              2036499.979,
              -128.465654,
              693300.0105,
              2037499.999,
              545.414346
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692299.9904859667,
                    2036499.979431077,
                    -128.46565395095018
                  ],
                  [
                    692299.9904859667,
                    2037499.999431077,
                    -128.46565395095018
                  ],
                  [
                    693300.0104859667,
                    2037499.999431077,
                    545.4143460490498
                  ],
                  [
                    693300.0104859667,
                    2036499.979431077,
                    545.4143460490498
                  ],
                  [
                    692299.9904859667,
                    2036499.979431077,
                    -128.46565395095018
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:34:19+00:00",
            "end_time": "2019-01-26T12:59:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_729300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.82843800538264,
              18.481069168233738,
              -139.30052434644088
            ],
            [
              -66.82835702654496,
              18.487496095266017,
              -139.30052434644088
            ],
            [
              -66.81889113571347,
              18.487387254874424,
              567.9794756535591
            ],
            [
              -66.81897246684593,
              18.48096036833885,
              567.9794756535591
            ],
            [
              -66.82843800538264,
              18.481069168233738,
              -139.30052434644088
            ]
          ]
        ]
      },
      "bbox": [
        -66.82843801,
        18.48096037,
        -139.3005243,
        -66.81889114,
        18.4874961,
        567.9794757
      ],
      "properties": {
        "datetime": "2019-01-21T20:12:54Z",
        "pc:count": 10172091,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 729726.0148,
            "count": 10172091,
            "maximum": 730300.0104,
            "minimum": 729299.9904,
            "name": "X",
            "position": 0,
            "stddev": 277.0193264,
            "variance": 76739.70717
          },
          {
            "average": 2045227.162,
            "count": 10172091,
            "maximum": 2045499.999,
            "minimum": 2044788.399,
            "name": "Y",
            "position": 1,
            "stddev": 181.3499701,
            "variance": 32887.81165
          },
          {
            "average": 10.19369858,
            "count": 10172091,
            "maximum": 567.9794757,
            "minimum": -139.3005243,
            "name": "Z",
            "position": 2,
            "stddev": 10.94459598,
            "variance": 119.7841812
          },
          {
            "average": 1645.671189,
            "count": 10172091,
            "maximum": 4752,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 473.5469483,
            "variance": 224246.7122
          },
          {
            "average": 1.373735548,
            "count": 10172091,
            "maximum": 10,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8940800236,
            "variance": 0.7993790886
          },
          {
            "average": 1.747814781,
            "count": 10172091,
            "maximum": 10,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.373274017,
            "variance": 1.885881526
          },
          {
            "average": 0.3134564958,
            "count": 10172091,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4638982024,
            "variance": 0.2152015422
          },
          {
            "average": 0.001624248151,
            "count": 10172091,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04026922061,
            "variance": 0.001621610129
          },
          {
            "average": 1.840025713,
            "count": 10172091,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.787815715,
            "variance": 22.92317932
          },
          {
            "average": 1.620426535,
            "count": 10172091,
            "maximum": 24.8579998,
            "minimum": -22.30200005,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.70491778,
            "variance": 187.8247712
          },
          {
            "average": 1.206675206,
            "count": 10172091,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.239777288,
            "variance": 1.537047725
          },
          {
            "average": 91.23052419,
            "count": 10172091,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7269976527,
            "variance": 0.5285255871
          },
          {
            "average": 232136301.7,
            "count": 10172091,
            "maximum": 232136774.2,
            "minimum": 232135741.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 402.5822431,
            "variance": 162072.4625
          },
          {
            "average": 1.206675206,
            "count": 10172091,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.239777288,
            "variance": 1.537047725
          },
          {
            "average": 0,
            "count": 10172091,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10172091,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.221552088,
            "count": 10172091,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4152911957,
            "variance": 0.1724667772
          },
          {
            "average": 0,
            "count": 10172091,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          729299.9904,
          2044788.399,
          -139.3005243,
          730300.0104,
          2045499.999,
          567.9794757
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                729299.9903787414,
                2044788.3990362019,
                -139.30052434644088
              ],
              [
                729299.9903787414,
                2045499.999036202,
                -139.30052434644088
              ],
              [
                730300.0103787414,
                2045499.999036202,
                567.9794756535591
              ],
              [
                730300.0103787414,
                2044788.3990362019,
                567.9794756535591
              ],
              [
                729299.9903787414,
                2044788.3990362019,
                -139.30052434644088
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:12:54+00:00",
        "end_time": "2019-01-21T19:55:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_729300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_729300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_729300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_729300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.82843801,
            18.48096037,
            -139.3005243,
            -66.81889114,
            18.4874961,
            567.9794757
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.82843800538264,
                  18.481069168233738,
                  -139.30052434644088
                ],
                [
                  -66.82835702654496,
                  18.487496095266017,
                  -139.30052434644088
                ],
                [
                  -66.81889113571347,
                  18.487387254874424,
                  567.9794756535591
                ],
                [
                  -66.81897246684593,
                  18.48096036833885,
                  567.9794756535591
                ],
                [
                  -66.82843800538264,
                  18.481069168233738,
                  -139.30052434644088
                ]
              ]
            ]
          },
          "id": "20190121_729300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_729300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:12:54Z",
            "pc:count": 10172091,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 729726.0148,
                "count": 10172091,
                "maximum": 730300.0104,
                "minimum": 729299.9904,
                "name": "X",
                "position": 0,
                "stddev": 277.0193264,
                "variance": 76739.70717
              },
              {
                "average": 2045227.162,
                "count": 10172091,
                "maximum": 2045499.999,
                "minimum": 2044788.399,
                "name": "Y",
                "position": 1,
                "stddev": 181.3499701,
                "variance": 32887.81165
              },
              {
                "average": 10.19369858,
                "count": 10172091,
                "maximum": 567.9794757,
                "minimum": -139.3005243,
                "name": "Z",
                "position": 2,
                "stddev": 10.94459598,
                "variance": 119.7841812
              },
              {
                "average": 1645.671189,
                "count": 10172091,
                "maximum": 4752,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 473.5469483,
                "variance": 224246.7122
              },
              {
                "average": 1.373735548,
                "count": 10172091,
                "maximum": 10,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8940800236,
                "variance": 0.7993790886
              },
              {
                "average": 1.747814781,
                "count": 10172091,
                "maximum": 10,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.373274017,
                "variance": 1.885881526
              },
              {
                "average": 0.3134564958,
                "count": 10172091,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4638982024,
                "variance": 0.2152015422
              },
              {
                "average": 0.001624248151,
                "count": 10172091,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04026922061,
                "variance": 0.001621610129
              },
              {
                "average": 1.840025713,
                "count": 10172091,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.787815715,
                "variance": 22.92317932
              },
              {
                "average": 1.620426535,
                "count": 10172091,
                "maximum": 24.8579998,
                "minimum": -22.30200005,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.70491778,
                "variance": 187.8247712
              },
              {
                "average": 1.206675206,
                "count": 10172091,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.239777288,
                "variance": 1.537047725
              },
              {
                "average": 91.23052419,
                "count": 10172091,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7269976527,
                "variance": 0.5285255871
              },
              {
                "average": 232136301.7,
                "count": 10172091,
                "maximum": 232136774.2,
                "minimum": 232135741.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 402.5822431,
                "variance": 162072.4625
              },
              {
                "average": 1.206675206,
                "count": 10172091,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.239777288,
                "variance": 1.537047725
              },
              {
                "average": 0,
                "count": 10172091,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10172091,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.221552088,
                "count": 10172091,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4152911957,
                "variance": 0.1724667772
              },
              {
                "average": 0,
                "count": 10172091,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              729299.9904,
              2044788.399,
              -139.3005243,
              730300.0104,
              2045499.999,
              567.9794757
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    729299.9903787414,
                    2044788.3990362019,
                    -139.30052434644088
                  ],
                  [
                    729299.9903787414,
                    2045499.999036202,
                    -139.30052434644088
                  ],
                  [
                    730300.0103787414,
                    2045499.999036202,
                    567.9794756535591
                  ],
                  [
                    730300.0103787414,
                    2044788.3990362019,
                    567.9794756535591
                  ],
                  [
                    729299.9903787414,
                    2044788.3990362019,
                    -139.30052434644088
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:12:54+00:00",
            "end_time": "2019-01-21T19:55:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190403_740300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.72411832880469,
              18.49530371531996,
              -82.53221420117774
            ],
            [
              -66.7241158322748,
              18.495492643934703,
              -82.53221420117774
            ],
            [
              -66.71465150140982,
              18.495378561613112,
              0.847785798822258
            ],
            [
              -66.7146540082996,
              18.495189634245744,
              0.847785798822258
            ],
            [
              -66.72411832880469,
              18.49530371531996,
              -82.53221420117774
            ]
          ]
        ]
      },
      "bbox": [
        -66.72411833,
        18.49518963,
        -82.5322142,
        -66.7146515,
        18.49549264,
        0.8477857988
      ],
      "properties": {
        "datetime": "2019-04-03T16:17:13Z",
        "pc:count": 47991,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 740883.0456,
            "count": 47991,
            "maximum": 741299.9075,
            "minimum": 740300.0275,
            "name": "X",
            "position": 0,
            "stddev": 248.683647,
            "variance": 61843.55628
          },
          {
            "average": 2046502.193,
            "count": 47991,
            "maximum": 2046520.899,
            "minimum": 2046499.979,
            "name": "Y",
            "position": 1,
            "stddev": 1.445898675,
            "variance": 2.090622978
          },
          {
            "average": -0.1667773484,
            "count": 47991,
            "maximum": 0.8477857988,
            "minimum": -82.5322142,
            "name": "Z",
            "position": 2,
            "stddev": 0.811115586,
            "variance": 0.6579084938
          },
          {
            "average": 571.2091225,
            "count": 47991,
            "maximum": 2142,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 399.9404726,
            "variance": 159952.3816
          },
          {
            "average": 1.006209498,
            "count": 47991,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.080131894,
            "variance": 0.006421120436
          },
          {
            "average": 1.012418995,
            "count": 47991,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1139012743,
            "variance": 0.01297350029
          },
          {
            "average": 0.5500406326,
            "count": 47991,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4974948164,
            "variance": 0.2475010923
          },
          {
            "average": 0.07607676439,
            "count": 47991,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.2651236598,
            "variance": 0.07029055497
          },
          {
            "average": 1.000250047,
            "count": 47991,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.03873306133,
            "variance": 0.00150025004
          },
          {
            "average": 19.88626882,
            "count": 47991,
            "maximum": 20.62199974,
            "minimum": 17.45400047,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.155465733,
            "variance": 0.02416959413
          },
          {
            "average": 0.6668125273,
            "count": 47991,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.6750754523,
            "variance": 0.4557268663
          },
          {
            "average": 153,
            "count": 47991,
            "maximum": 153,
            "minimum": 153,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 238343425.1,
            "count": 47991,
            "maximum": 238343433.8,
            "minimum": 238343418.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3.610530638,
            "variance": 13.03593148
          },
          {
            "average": 0.6668125273,
            "count": 47991,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.6750754523,
            "variance": 0.4557268663
          },
          {
            "average": 0,
            "count": 47991,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 47991,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.9999583255,
            "count": 47991,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.006455510222,
            "variance": 4.167361223e-05
          },
          {
            "average": 0,
            "count": 47991,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          740300.0275,
          2046499.979,
          -82.5322142,
          741299.9075,
          2046520.899,
          0.8477857988
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                740300.0275182035,
                2046499.9792802366,
                -82.53221420117774
              ],
              [
                740300.0275182035,
                2046520.8992802366,
                -82.53221420117774
              ],
              [
                741299.9075182034,
                2046520.8992802366,
                0.847785798822258
              ],
              [
                741299.9075182034,
                2046499.9792802366,
                0.847785798822258
              ],
              [
                740300.0275182035,
                2046499.9792802366,
                -82.53221420117774
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:17:13+00:00",
        "end_time": "2019-04-03T16:16:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190403_740300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190403_740300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190403_740300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_740300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.72411833,
            18.49518963,
            -82.5322142,
            -66.7146515,
            18.49549264,
            0.8477857988
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.72411832880469,
                  18.49530371531996,
                  -82.53221420117774
                ],
                [
                  -66.7241158322748,
                  18.495492643934703,
                  -82.53221420117774
                ],
                [
                  -66.71465150140982,
                  18.495378561613112,
                  0.847785798822258
                ],
                [
                  -66.7146540082996,
                  18.495189634245744,
                  0.847785798822258
                ],
                [
                  -66.72411832880469,
                  18.49530371531996,
                  -82.53221420117774
                ]
              ]
            ]
          },
          "id": "20190403_740300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_740300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:17:13Z",
            "pc:count": 47991,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 740883.0456,
                "count": 47991,
                "maximum": 741299.9075,
                "minimum": 740300.0275,
                "name": "X",
                "position": 0,
                "stddev": 248.683647,
                "variance": 61843.55628
              },
              {
                "average": 2046502.193,
                "count": 47991,
                "maximum": 2046520.899,
                "minimum": 2046499.979,
                "name": "Y",
                "position": 1,
                "stddev": 1.445898675,
                "variance": 2.090622978
              },
              {
                "average": -0.1667773484,
                "count": 47991,
                "maximum": 0.8477857988,
                "minimum": -82.5322142,
                "name": "Z",
                "position": 2,
                "stddev": 0.811115586,
                "variance": 0.6579084938
              },
              {
                "average": 571.2091225,
                "count": 47991,
                "maximum": 2142,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 399.9404726,
                "variance": 159952.3816
              },
              {
                "average": 1.006209498,
                "count": 47991,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.080131894,
                "variance": 0.006421120436
              },
              {
                "average": 1.012418995,
                "count": 47991,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1139012743,
                "variance": 0.01297350029
              },
              {
                "average": 0.5500406326,
                "count": 47991,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4974948164,
                "variance": 0.2475010923
              },
              {
                "average": 0.07607676439,
                "count": 47991,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.2651236598,
                "variance": 0.07029055497
              },
              {
                "average": 1.000250047,
                "count": 47991,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.03873306133,
                "variance": 0.00150025004
              },
              {
                "average": 19.88626882,
                "count": 47991,
                "maximum": 20.62199974,
                "minimum": 17.45400047,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.155465733,
                "variance": 0.02416959413
              },
              {
                "average": 0.6668125273,
                "count": 47991,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.6750754523,
                "variance": 0.4557268663
              },
              {
                "average": 153,
                "count": 47991,
                "maximum": 153,
                "minimum": 153,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 238343425.1,
                "count": 47991,
                "maximum": 238343433.8,
                "minimum": 238343418.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3.610530638,
                "variance": 13.03593148
              },
              {
                "average": 0.6668125273,
                "count": 47991,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.6750754523,
                "variance": 0.4557268663
              },
              {
                "average": 0,
                "count": 47991,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 47991,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.9999583255,
                "count": 47991,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.006455510222,
                "variance": 4.167361223e-05
              },
              {
                "average": 0,
                "count": 47991,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              740300.0275,
              2046499.979,
              -82.5322142,
              741299.9075,
              2046520.899,
              0.8477857988
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    740300.0275182035,
                    2046499.9792802366,
                    -82.53221420117774
                  ],
                  [
                    740300.0275182035,
                    2046520.8992802366,
                    -82.53221420117774
                  ],
                  [
                    741299.9075182034,
                    2046520.8992802366,
                    0.847785798822258
                  ],
                  [
                    741299.9075182034,
                    2046499.9792802366,
                    0.847785798822258
                  ],
                  [
                    740300.0275182035,
                    2046499.9792802366,
                    -82.53221420117774
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:17:13+00:00",
            "end_time": "2019-04-03T16:16:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190403_738300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.74304967556964,
              18.495530501512196,
              -86.3436249896834
            ],
            [
              -66.74304666483377,
              18.495760253282185,
              -86.3436249896834
            ],
            [
              -66.73358105867975,
              18.495647102254704,
              1.316375010316584
            ],
            [
              -66.73358408201626,
              18.495417351989207,
              1.316375010316584
            ],
            [
              -66.74304967556964,
              18.495530501512196,
              -86.3436249896834
            ]
          ]
        ]
      },
      "bbox": [
        -66.74304968,
        18.49541735,
        -86.34362499,
        -66.73358106,
        18.49576025,
        1.31637501
      ],
      "properties": {
        "datetime": "2019-04-03T16:17:44Z",
        "pc:count": 144790,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 738751.9732,
            "count": 144790,
            "maximum": 739300.0034,
            "minimum": 738300.0034,
            "name": "X",
            "position": 0,
            "stddev": 287.5733364,
            "variance": 82698.42383
          },
          {
            "average": 2046507.975,
            "count": 144790,
            "maximum": 2046525.421,
            "minimum": 2046499.981,
            "name": "Y",
            "position": 1,
            "stddev": 4.728923335,
            "variance": 22.3627159
          },
          {
            "average": -0.0949109901,
            "count": 144790,
            "maximum": 1.31637501,
            "minimum": -86.34362499,
            "name": "Z",
            "position": 2,
            "stddev": 0.5542444574,
            "variance": 0.3071869185
          },
          {
            "average": 598.5327923,
            "count": 144790,
            "maximum": 2275,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 396.3082921,
            "variance": 157060.2624
          },
          {
            "average": 1.004095587,
            "count": 144790,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06429691959,
            "variance": 0.004134093868
          },
          {
            "average": 1.008080669,
            "count": 144790,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09037351356,
            "variance": 0.008167371954
          },
          {
            "average": 0.5938738863,
            "count": 144790,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4911103331,
            "variance": 0.2411893593
          },
          {
            "average": 0.03166655156,
            "count": 144790,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.1751113727,
            "variance": 0.03066399285
          },
          {
            "average": 1.000124318,
            "count": 144790,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.02731112526,
            "variance": 0.0007458975632
          },
          {
            "average": 19.48822643,
            "count": 144790,
            "maximum": 20.61599922,
            "minimum": 16.95599937,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.4708700998,
            "variance": 0.2217186509
          },
          {
            "average": 0.7207818219,
            "count": 144790,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.6745920259,
            "variance": 0.4550744014
          },
          {
            "average": 153,
            "count": 144790,
            "maximum": 153,
            "minimum": 153,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 238343456.3,
            "count": 144790,
            "maximum": 238343464,
            "minimum": 238343447.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.33973006,
            "variance": 18.833257
          },
          {
            "average": 0.7207818219,
            "count": 144790,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.6745920259,
            "variance": 0.4550744014
          },
          {
            "average": 0,
            "count": 144790,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 144790,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.9999792803,
            "count": 144790,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.004551854211,
            "variance": 2.071937676e-05
          },
          {
            "average": 0,
            "count": 144790,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          738300.0034,
          2046499.981,
          -86.34362499,
          739300.0034,
          2046525.421,
          1.31637501
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                738300.0034023138,
                2046499.9805827735,
                -86.3436249896834
              ],
              [
                738300.0034023138,
                2046525.4205827734,
                -86.3436249896834
              ],
              [
                739300.0034023138,
                2046525.4205827734,
                1.316375010316584
              ],
              [
                739300.0034023138,
                2046499.9805827735,
                1.316375010316584
              ],
              [
                738300.0034023138,
                2046499.9805827735,
                -86.3436249896834
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:17:44+00:00",
        "end_time": "2019-04-03T16:17:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190403_738300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190403_738300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190403_738300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_738300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.74304968,
            18.49541735,
            -86.34362499,
            -66.73358106,
            18.49576025,
            1.31637501
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.74304967556964,
                  18.495530501512196,
                  -86.3436249896834
                ],
                [
                  -66.74304666483377,
                  18.495760253282185,
                  -86.3436249896834
                ],
                [
                  -66.73358105867975,
                  18.495647102254704,
                  1.316375010316584
                ],
                [
                  -66.73358408201626,
                  18.495417351989207,
                  1.316375010316584
                ],
                [
                  -66.74304967556964,
                  18.495530501512196,
                  -86.3436249896834
                ]
              ]
            ]
          },
          "id": "20190403_738300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_738300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:17:44Z",
            "pc:count": 144790,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 738751.9732,
                "count": 144790,
                "maximum": 739300.0034,
                "minimum": 738300.0034,
                "name": "X",
                "position": 0,
                "stddev": 287.5733364,
                "variance": 82698.42383
              },
              {
                "average": 2046507.975,
                "count": 144790,
                "maximum": 2046525.421,
                "minimum": 2046499.981,
                "name": "Y",
                "position": 1,
                "stddev": 4.728923335,
                "variance": 22.3627159
              },
              {
                "average": -0.0949109901,
                "count": 144790,
                "maximum": 1.31637501,
                "minimum": -86.34362499,
                "name": "Z",
                "position": 2,
                "stddev": 0.5542444574,
                "variance": 0.3071869185
              },
              {
                "average": 598.5327923,
                "count": 144790,
                "maximum": 2275,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 396.3082921,
                "variance": 157060.2624
              },
              {
                "average": 1.004095587,
                "count": 144790,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06429691959,
                "variance": 0.004134093868
              },
              {
                "average": 1.008080669,
                "count": 144790,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09037351356,
                "variance": 0.008167371954
              },
              {
                "average": 0.5938738863,
                "count": 144790,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4911103331,
                "variance": 0.2411893593
              },
              {
                "average": 0.03166655156,
                "count": 144790,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.1751113727,
                "variance": 0.03066399285
              },
              {
                "average": 1.000124318,
                "count": 144790,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.02731112526,
                "variance": 0.0007458975632
              },
              {
                "average": 19.48822643,
                "count": 144790,
                "maximum": 20.61599922,
                "minimum": 16.95599937,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.4708700998,
                "variance": 0.2217186509
              },
              {
                "average": 0.7207818219,
                "count": 144790,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.6745920259,
                "variance": 0.4550744014
              },
              {
                "average": 153,
                "count": 144790,
                "maximum": 153,
                "minimum": 153,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 238343456.3,
                "count": 144790,
                "maximum": 238343464,
                "minimum": 238343447.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.33973006,
                "variance": 18.833257
              },
              {
                "average": 0.7207818219,
                "count": 144790,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.6745920259,
                "variance": 0.4550744014
              },
              {
                "average": 0,
                "count": 144790,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 144790,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.9999792803,
                "count": 144790,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.004551854211,
                "variance": 2.071937676e-05
              },
              {
                "average": 0,
                "count": 144790,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              738300.0034,
              2046499.981,
              -86.34362499,
              739300.0034,
              2046525.421,
              1.31637501
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    738300.0034023138,
                    2046499.9805827735,
                    -86.3436249896834
                  ],
                  [
                    738300.0034023138,
                    2046525.4205827734,
                    -86.3436249896834
                  ],
                  [
                    739300.0034023138,
                    2046525.4205827734,
                    1.316375010316584
                  ],
                  [
                    739300.0034023138,
                    2046499.9805827735,
                    1.316375010316584
                  ],
                  [
                    738300.0034023138,
                    2046499.9805827735,
                    -86.3436249896834
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:17:44+00:00",
            "end_time": "2019-04-03T16:17:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190403_739300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.73358400394717,
              18.495417365663005,
              -62.53248267810976
            ],
            [
              -66.73358147737251,
              18.495609366081815,
              -62.53248267810976
            ],
            [
              -66.72411745622433,
              18.495495760872597,
              1.047517321890236
            ],
            [
              -66.7241199933272,
              18.495303761716126,
              1.047517321890236
            ],
            [
              -66.73358400394717,
              18.495417365663005,
              -62.53248267810976
            ]
          ]
        ]
      },
      "bbox": [
        -66.733584,
        18.49530376,
        -62.53248268,
        -66.72411746,
        18.49560937,
        1.047517322
      ],
      "properties": {
        "datetime": "2019-04-03T16:17:28Z",
        "pc:count": 73238,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 739676.6845,
            "count": 73238,
            "maximum": 740299.8516,
            "minimum": 739300.0116,
            "name": "X",
            "position": 0,
            "stddev": 243.7958542,
            "variance": 59436.41855
          },
          {
            "average": 2046503.512,
            "count": 73238,
            "maximum": 2046521.242,
            "minimum": 2046499.982,
            "name": "Y",
            "position": 1,
            "stddev": 2.223315926,
            "variance": 4.943133705
          },
          {
            "average": -0.09924597039,
            "count": 73238,
            "maximum": 1.047517322,
            "minimum": -62.53248268,
            "name": "Z",
            "position": 2,
            "stddev": 0.4580491524,
            "variance": 0.209809026
          },
          {
            "average": 600.6202654,
            "count": 73238,
            "maximum": 2152,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 399.796203,
            "variance": 159837.0039
          },
          {
            "average": 1.004710669,
            "count": 73238,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06887060432,
            "variance": 0.004743160139
          },
          {
            "average": 1.009298452,
            "count": 73238,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09682958127,
            "variance": 0.009375967809
          },
          {
            "average": 0.6258909309,
            "count": 73238,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4838953096,
            "variance": 0.2341546707
          },
          {
            "average": 0.05490319233,
            "count": 73238,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.2277927574,
            "variance": 0.05188954031
          },
          {
            "average": 1,
            "count": 73238,
            "maximum": 1,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.78349112,
            "count": 73238,
            "maximum": 20.61000061,
            "minimum": 18.31200027,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.2269976376,
            "variance": 0.05152792747
          },
          {
            "average": 0.7579944837,
            "count": 73238,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.6690680565,
            "variance": 0.4476520643
          },
          {
            "average": 153,
            "count": 73238,
            "maximum": 153,
            "minimum": 153,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 238343442.6,
            "count": 73238,
            "maximum": 238343448.8,
            "minimum": 238343433.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3.557506942,
            "variance": 12.65585565
          },
          {
            "average": 0.7579944837,
            "count": 73238,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.6690680565,
            "variance": 0.4476520643
          },
          {
            "average": 0,
            "count": 73238,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 73238,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 73238,
            "maximum": 1,
            "minimum": 1,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 73238,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          739300.0116,
          2046499.982,
          -62.53248268,
          740299.8516,
          2046521.242,
          1.047517322
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                739300.0116297067,
                2046499.9822001532,
                -62.53248267810976
              ],
              [
                739300.0116297067,
                2046521.242200153,
                -62.53248267810976
              ],
              [
                740299.8516297068,
                2046521.242200153,
                1.047517321890236
              ],
              [
                740299.8516297068,
                2046499.9822001532,
                1.047517321890236
              ],
              [
                739300.0116297067,
                2046499.9822001532,
                -62.53248267810976
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:17:28+00:00",
        "end_time": "2019-04-03T16:17:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190403_739300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190403_739300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190403_739300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_739300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.733584,
            18.49530376,
            -62.53248268,
            -66.72411746,
            18.49560937,
            1.047517322
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.73358400394717,
                  18.495417365663005,
                  -62.53248267810976
                ],
                [
                  -66.73358147737251,
                  18.495609366081815,
                  -62.53248267810976
                ],
                [
                  -66.72411745622433,
                  18.495495760872597,
                  1.047517321890236
                ],
                [
                  -66.7241199933272,
                  18.495303761716126,
                  1.047517321890236
                ],
                [
                  -66.73358400394717,
                  18.495417365663005,
                  -62.53248267810976
                ]
              ]
            ]
          },
          "id": "20190403_739300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_739300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:17:28Z",
            "pc:count": 73238,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 739676.6845,
                "count": 73238,
                "maximum": 740299.8516,
                "minimum": 739300.0116,
                "name": "X",
                "position": 0,
                "stddev": 243.7958542,
                "variance": 59436.41855
              },
              {
                "average": 2046503.512,
                "count": 73238,
                "maximum": 2046521.242,
                "minimum": 2046499.982,
                "name": "Y",
                "position": 1,
                "stddev": 2.223315926,
                "variance": 4.943133705
              },
              {
                "average": -0.09924597039,
                "count": 73238,
                "maximum": 1.047517322,
                "minimum": -62.53248268,
                "name": "Z",
                "position": 2,
                "stddev": 0.4580491524,
                "variance": 0.209809026
              },
              {
                "average": 600.6202654,
                "count": 73238,
                "maximum": 2152,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 399.796203,
                "variance": 159837.0039
              },
              {
                "average": 1.004710669,
                "count": 73238,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06887060432,
                "variance": 0.004743160139
              },
              {
                "average": 1.009298452,
                "count": 73238,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09682958127,
                "variance": 0.009375967809
              },
              {
                "average": 0.6258909309,
                "count": 73238,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4838953096,
                "variance": 0.2341546707
              },
              {
                "average": 0.05490319233,
                "count": 73238,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.2277927574,
                "variance": 0.05188954031
              },
              {
                "average": 1,
                "count": 73238,
                "maximum": 1,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.78349112,
                "count": 73238,
                "maximum": 20.61000061,
                "minimum": 18.31200027,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.2269976376,
                "variance": 0.05152792747
              },
              {
                "average": 0.7579944837,
                "count": 73238,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.6690680565,
                "variance": 0.4476520643
              },
              {
                "average": 153,
                "count": 73238,
                "maximum": 153,
                "minimum": 153,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 238343442.6,
                "count": 73238,
                "maximum": 238343448.8,
                "minimum": 238343433.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3.557506942,
                "variance": 12.65585565
              },
              {
                "average": 0.7579944837,
                "count": 73238,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.6690680565,
                "variance": 0.4476520643
              },
              {
                "average": 0,
                "count": 73238,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 73238,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 73238,
                "maximum": 1,
                "minimum": 1,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 73238,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              739300.0116,
              2046499.982,
              -62.53248268,
              740299.8516,
              2046521.242,
              1.047517322
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    739300.0116297067,
                    2046499.9822001532,
                    -62.53248267810976
                  ],
                  [
                    739300.0116297067,
                    2046521.242200153,
                    -62.53248267810976
                  ],
                  [
                    740299.8516297068,
                    2046521.242200153,
                    1.047517321890236
                  ],
                  [
                    740299.8516297068,
                    2046499.9822001532,
                    1.047517321890236
                  ],
                  [
                    739300.0116297067,
                    2046499.9822001532,
                    -62.53248267810976
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:17:28+00:00",
            "end_time": "2019-04-03T16:17:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_732300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.79984468583862,
              18.496199495206422,
              -130.0608367339898
            ],
            [
              -66.79977945227539,
              18.501305165923537,
              -130.0608367339898
            ],
            [
              -66.7903131738716,
              18.501194819938675,
              532.9791632660101
            ],
            [
              -66.79037868754159,
              18.496089181817204,
              532.9791632660101
            ],
            [
              -66.79984468583862,
              18.496199495206422,
              -130.0608367339898
            ]
          ]
        ]
      },
      "bbox": [
        -66.79984469,
        18.49608918,
        -130.0608367,
        -66.79031317,
        18.50130517,
        532.9791633
      ],
      "properties": {
        "datetime": "2019-01-21T20:18:03Z",
        "pc:count": 4838110,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 732800.1366,
            "count": 4838110,
            "maximum": 733300.0005,
            "minimum": 732300.0005,
            "name": "X",
            "position": 0,
            "stddev": 288.5765973,
            "variance": 83276.45252
          },
          {
            "average": 2046760.593,
            "count": 4838110,
            "maximum": 2047065.303,
            "minimum": 2046499.983,
            "name": "Y",
            "position": 1,
            "stddev": 143.1263778,
            "variance": 20485.16002
          },
          {
            "average": 0.07526052713,
            "count": 4838110,
            "maximum": 532.9791633,
            "minimum": -130.0608367,
            "name": "Z",
            "position": 2,
            "stddev": 8.915992383,
            "variance": 79.49492018
          },
          {
            "average": 706.8538876,
            "count": 4838110,
            "maximum": 2996,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 562.7945367,
            "variance": 316737.6905
          },
          {
            "average": 1.06177929,
            "count": 4838110,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2562393475,
            "variance": 0.06565860322
          },
          {
            "average": 1.123711325,
            "count": 4838110,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3626694263,
            "variance": 0.1315291128
          },
          {
            "average": 0.4380239391,
            "count": 4838110,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4961441512,
            "variance": 0.2461590188
          },
          {
            "average": 0.003885608223,
            "count": 4838110,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0622134316,
            "variance": 0.003870511072
          },
          {
            "average": 27.87411407,
            "count": 4838110,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.5576,
            "variance": 422.6149178
          },
          {
            "average": 0.2941238941,
            "count": 4838110,
            "maximum": 25.66799927,
            "minimum": -24.29999924,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.53306107,
            "variance": 157.0776199
          },
          {
            "average": 1.068837418,
            "count": 4838110,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.089977612,
            "variance": 1.188051195
          },
          {
            "average": 90.20268183,
            "count": 4838110,
            "maximum": 93,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.344886773,
            "variance": 11.18826752
          },
          {
            "average": 232135669.2,
            "count": 4838110,
            "maximum": 232137083.5,
            "minimum": 232133598.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1676.181742,
            "variance": 2809585.233
          },
          {
            "average": 1.068837418,
            "count": 4838110,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.089977612,
            "variance": 1.188051195
          },
          {
            "average": 0,
            "count": 4838110,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4838110,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1773312306,
            "count": 4838110,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3819488125,
            "variance": 0.1458848954
          },
          {
            "average": 0,
            "count": 4838110,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          732300.0005,
          2046499.983,
          -130.0608367,
          733300.0005,
          2047065.303,
          532.9791633
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                732300.0004816633,
                2046499.9830677102,
                -130.0608367339898
              ],
              [
                732300.0004816633,
                2047065.30306771,
                -130.0608367339898
              ],
              [
                733300.0004816633,
                2047065.30306771,
                532.9791632660101
              ],
              [
                733300.0004816633,
                2046499.9830677102,
                532.9791632660101
              ],
              [
                732300.0004816633,
                2046499.9830677102,
                -130.0608367339898
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:18:03+00:00",
        "end_time": "2019-01-21T19:19:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_732300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_732300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_732300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_732300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.79984469,
            18.49608918,
            -130.0608367,
            -66.79031317,
            18.50130517,
            532.9791633
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.79984468583862,
                  18.496199495206422,
                  -130.0608367339898
                ],
                [
                  -66.79977945227539,
                  18.501305165923537,
                  -130.0608367339898
                ],
                [
                  -66.7903131738716,
                  18.501194819938675,
                  532.9791632660101
                ],
                [
                  -66.79037868754159,
                  18.496089181817204,
                  532.9791632660101
                ],
                [
                  -66.79984468583862,
                  18.496199495206422,
                  -130.0608367339898
                ]
              ]
            ]
          },
          "id": "20190121_732300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_732300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:18:03Z",
            "pc:count": 4838110,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 732800.1366,
                "count": 4838110,
                "maximum": 733300.0005,
                "minimum": 732300.0005,
                "name": "X",
                "position": 0,
                "stddev": 288.5765973,
                "variance": 83276.45252
              },
              {
                "average": 2046760.593,
                "count": 4838110,
                "maximum": 2047065.303,
                "minimum": 2046499.983,
                "name": "Y",
                "position": 1,
                "stddev": 143.1263778,
                "variance": 20485.16002
              },
              {
                "average": 0.07526052713,
                "count": 4838110,
                "maximum": 532.9791633,
                "minimum": -130.0608367,
                "name": "Z",
                "position": 2,
                "stddev": 8.915992383,
                "variance": 79.49492018
              },
              {
                "average": 706.8538876,
                "count": 4838110,
                "maximum": 2996,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 562.7945367,
                "variance": 316737.6905
              },
              {
                "average": 1.06177929,
                "count": 4838110,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2562393475,
                "variance": 0.06565860322
              },
              {
                "average": 1.123711325,
                "count": 4838110,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3626694263,
                "variance": 0.1315291128
              },
              {
                "average": 0.4380239391,
                "count": 4838110,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4961441512,
                "variance": 0.2461590188
              },
              {
                "average": 0.003885608223,
                "count": 4838110,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0622134316,
                "variance": 0.003870511072
              },
              {
                "average": 27.87411407,
                "count": 4838110,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.5576,
                "variance": 422.6149178
              },
              {
                "average": 0.2941238941,
                "count": 4838110,
                "maximum": 25.66799927,
                "minimum": -24.29999924,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.53306107,
                "variance": 157.0776199
              },
              {
                "average": 1.068837418,
                "count": 4838110,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.089977612,
                "variance": 1.188051195
              },
              {
                "average": 90.20268183,
                "count": 4838110,
                "maximum": 93,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.344886773,
                "variance": 11.18826752
              },
              {
                "average": 232135669.2,
                "count": 4838110,
                "maximum": 232137083.5,
                "minimum": 232133598.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1676.181742,
                "variance": 2809585.233
              },
              {
                "average": 1.068837418,
                "count": 4838110,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.089977612,
                "variance": 1.188051195
              },
              {
                "average": 0,
                "count": 4838110,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4838110,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1773312306,
                "count": 4838110,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3819488125,
                "variance": 0.1458848954
              },
              {
                "average": 0,
                "count": 4838110,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              732300.0005,
              2046499.983,
              -130.0608367,
              733300.0005,
              2047065.303,
              532.9791633
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    732300.0004816633,
                    2046499.9830677102,
                    -130.0608367339898
                  ],
                  [
                    732300.0004816633,
                    2047065.30306771,
                    -130.0608367339898
                  ],
                  [
                    733300.0004816633,
                    2047065.30306771,
                    532.9791632660101
                  ],
                  [
                    733300.0004816633,
                    2046499.9830677102,
                    532.9791632660101
                  ],
                  [
                    732300.0004816633,
                    2046499.9830677102,
                    -130.0608367339898
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:18:03+00:00",
            "end_time": "2019-01-21T19:19:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190127_694300e_2041500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16017750103205,
              18.445839895828534,
              -110.39995024304565
            ],
            [
              -67.16008126787655,
              18.45487360714457,
              -110.39995024304565
            ],
            [
              -67.15072295270468,
              18.45478255760655,
              573.6600497569544
            ],
            [
              -67.15081967464931,
              18.445748893980227,
              573.6600497569544
            ],
            [
              -67.16017750103205,
              18.445839895828534,
              -110.39995024304565
            ]
          ]
        ]
      },
      "bbox": [
        -67.1601775,
        18.44574889,
        -110.3999502,
        -67.15072295,
        18.45487361,
        573.6600498
      ],
      "properties": {
        "datetime": "2019-01-27T14:47:36Z",
        "pc:count": 15206528,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 694575.8656,
            "count": 15206528,
            "maximum": 695288.6383,
            "minimum": 694299.9983,
            "name": "X",
            "position": 0,
            "stddev": 195.5677771,
            "variance": 38246.75545
          },
          {
            "average": 2040951.286,
            "count": 15206528,
            "maximum": 2041499.999,
            "minimum": 2040499.979,
            "name": "Y",
            "position": 1,
            "stddev": 268.4375875,
            "variance": 72058.73839
          },
          {
            "average": 79.137621,
            "count": 15206528,
            "maximum": 573.6600498,
            "minimum": -110.3999502,
            "name": "Z",
            "position": 2,
            "stddev": 21.16210905,
            "variance": 447.8348593
          },
          {
            "average": 1421.509822,
            "count": 15206528,
            "maximum": 4658,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 558.3145736,
            "variance": 311715.1631
          },
          {
            "average": 2.021215888,
            "count": 15206528,
            "maximum": 13,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.468849156,
            "variance": 2.157517843
          },
          {
            "average": 3.041959743,
            "count": 15206528,
            "maximum": 13,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.099388065,
            "variance": 4.407430249
          },
          {
            "average": 0.3407024273,
            "count": 15206528,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.473945459,
            "variance": 0.2246242981
          },
          {
            "average": 0.001243873684,
            "count": 15206528,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03524665294,
            "variance": 0.001242326544
          },
          {
            "average": 1.324504976,
            "count": 15206528,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.46352627,
            "variance": 6.068961683
          },
          {
            "average": 0.01246861479,
            "count": 15206528,
            "maximum": 20.6760006,
            "minimum": -22.41600037,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.82157652,
            "variance": 191.0359776
          },
          {
            "average": 1.074441319,
            "count": 15206528,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.177919796,
            "variance": 1.387495046
          },
          {
            "average": 111.4549686,
            "count": 15206528,
            "maximum": 114,
            "minimum": 110,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8689930223,
            "variance": 0.7551488729
          },
          {
            "average": 232635010.9,
            "count": 15206528,
            "maximum": 232635656.2,
            "minimum": 232634555.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 243.010891,
            "variance": 59054.29315
          },
          {
            "average": 1.074441122,
            "count": 15206528,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.177919725,
            "variance": 1.387494878
          },
          {
            "average": 0,
            "count": 15206528,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15206528,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2441801311,
            "count": 15206528,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4296000545,
            "variance": 0.1845562068
          },
          {
            "average": 0,
            "count": 15206528,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          694299.9983,
          2040499.979,
          -110.3999502,
          695288.6383,
          2041499.999,
          573.6600498
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                694299.9983424875,
                2040499.9792716356,
                -110.39995024304565
              ],
              [
                694299.9983424875,
                2041499.9992716357,
                -110.39995024304565
              ],
              [
                695288.6383424874,
                2041499.9992716357,
                573.6600497569544
              ],
              [
                695288.6383424874,
                2040499.9792716356,
                573.6600497569544
              ],
              [
                694299.9983424875,
                2040499.9792716356,
                -110.39995024304565
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:47:36+00:00",
        "end_time": "2019-01-27T14:29:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190127_694300e_2041500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190127_694300e_2041500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190127_694300e_2041500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2041500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.1601775,
            18.44574889,
            -110.3999502,
            -67.15072295,
            18.45487361,
            573.6600498
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16017750103205,
                  18.445839895828534,
                  -110.39995024304565
                ],
                [
                  -67.16008126787655,
                  18.45487360714457,
                  -110.39995024304565
                ],
                [
                  -67.15072295270468,
                  18.45478255760655,
                  573.6600497569544
                ],
                [
                  -67.15081967464931,
                  18.445748893980227,
                  573.6600497569544
                ],
                [
                  -67.16017750103205,
                  18.445839895828534,
                  -110.39995024304565
                ]
              ]
            ]
          },
          "id": "20190127_694300e_2041500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190127_694300e_2041500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:47:36Z",
            "pc:count": 15206528,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 694575.8656,
                "count": 15206528,
                "maximum": 695288.6383,
                "minimum": 694299.9983,
                "name": "X",
                "position": 0,
                "stddev": 195.5677771,
                "variance": 38246.75545
              },
              {
                "average": 2040951.286,
                "count": 15206528,
                "maximum": 2041499.999,
                "minimum": 2040499.979,
                "name": "Y",
                "position": 1,
                "stddev": 268.4375875,
                "variance": 72058.73839
              },
              {
                "average": 79.137621,
                "count": 15206528,
                "maximum": 573.6600498,
                "minimum": -110.3999502,
                "name": "Z",
                "position": 2,
                "stddev": 21.16210905,
                "variance": 447.8348593
              },
              {
                "average": 1421.509822,
                "count": 15206528,
                "maximum": 4658,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 558.3145736,
                "variance": 311715.1631
              },
              {
                "average": 2.021215888,
                "count": 15206528,
                "maximum": 13,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.468849156,
                "variance": 2.157517843
              },
              {
                "average": 3.041959743,
                "count": 15206528,
                "maximum": 13,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.099388065,
                "variance": 4.407430249
              },
              {
                "average": 0.3407024273,
                "count": 15206528,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.473945459,
                "variance": 0.2246242981
              },
              {
                "average": 0.001243873684,
                "count": 15206528,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03524665294,
                "variance": 0.001242326544
              },
              {
                "average": 1.324504976,
                "count": 15206528,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.46352627,
                "variance": 6.068961683
              },
              {
                "average": 0.01246861479,
                "count": 15206528,
                "maximum": 20.6760006,
                "minimum": -22.41600037,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.82157652,
                "variance": 191.0359776
              },
              {
                "average": 1.074441319,
                "count": 15206528,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.177919796,
                "variance": 1.387495046
              },
              {
                "average": 111.4549686,
                "count": 15206528,
                "maximum": 114,
                "minimum": 110,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8689930223,
                "variance": 0.7551488729
              },
              {
                "average": 232635010.9,
                "count": 15206528,
                "maximum": 232635656.2,
                "minimum": 232634555.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 243.010891,
                "variance": 59054.29315
              },
              {
                "average": 1.074441122,
                "count": 15206528,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.177919725,
                "variance": 1.387494878
              },
              {
                "average": 0,
                "count": 15206528,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15206528,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2441801311,
                "count": 15206528,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4296000545,
                "variance": 0.1845562068
              },
              {
                "average": 0,
                "count": 15206528,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              694299.9983,
              2040499.979,
              -110.3999502,
              695288.6383,
              2041499.999,
              573.6600498
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    694299.9983424875,
                    2040499.9792716356,
                    -110.39995024304565
                  ],
                  [
                    694299.9983424875,
                    2041499.9992716357,
                    -110.39995024304565
                  ],
                  [
                    695288.6383424874,
                    2041499.9992716357,
                    573.6600497569544
                  ],
                  [
                    695288.6383424874,
                    2040499.9792716356,
                    573.6600497569544
                  ],
                  [
                    694299.9983424875,
                    2040499.9792716356,
                    -110.39995024304565
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:47:36+00:00",
            "end_time": "2019-01-27T14:29:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_731300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.80947399571926,
              18.483477429407937,
              -124.96859658354597
            ],
            [
              -66.80942568872716,
              18.48727790205461,
              -124.96859658354597
            ],
            [
              -66.79995992993082,
              18.487168116615923,
              562.8514034164541
            ],
            [
              -66.80000844525416,
              18.483367668124938,
              562.8514034164541
            ],
            [
              -66.80947399571926,
              18.483477429407937,
              -124.96859658354597
            ]
          ]
        ]
      },
      "bbox": [
        -66.809474,
        18.48336767,
        -124.9685966,
        -66.79995993,
        18.4872779,
        562.8514034
      ],
      "properties": {
        "datetime": "2019-01-21T20:01:00Z",
        "pc:count": 7453621,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 731815.2654,
            "count": 7453621,
            "maximum": 732300.0105,
            "minimum": 731299.9905,
            "name": "X",
            "position": 0,
            "stddev": 258.1344559,
            "variance": 66633.3973
          },
          {
            "average": 2045337.323,
            "count": 7453621,
            "maximum": 2045499.994,
            "minimum": 2045079.194,
            "name": "Y",
            "position": 1,
            "stddev": 110.774845,
            "variance": 12271.06629
          },
          {
            "average": 19.2857449,
            "count": 7453621,
            "maximum": 562.8514034,
            "minimum": -124.9685966,
            "name": "Z",
            "position": 2,
            "stddev": 10.31316189,
            "variance": 106.3613082
          },
          {
            "average": 1557.487439,
            "count": 7453621,
            "maximum": 4538,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 518.5753991,
            "variance": 268920.4446
          },
          {
            "average": 1.718134314,
            "count": 7453621,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.301785152,
            "variance": 1.694644581
          },
          {
            "average": 2.436832246,
            "count": 7453621,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.96249875,
            "variance": 3.851401342
          },
          {
            "average": 0.3503069179,
            "count": 7453621,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4770660454,
            "variance": 0.2275920117
          },
          {
            "average": 0.001268913458,
            "count": 7453621,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03559920627,
            "variance": 0.001267303487
          },
          {
            "average": 1.30683288,
            "count": 7453621,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.6877647834,
            "variance": 0.4730203973
          },
          {
            "average": 2.715516083,
            "count": 7453621,
            "maximum": 23.87400055,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.68728236,
            "variance": 187.3416984
          },
          {
            "average": 1.154266497,
            "count": 7453621,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.19576532,
            "variance": 1.429854701
          },
          {
            "average": 90.68725026,
            "count": 7453621,
            "maximum": 91,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4636133815,
            "variance": 0.2149373675
          },
          {
            "average": 232135966.1,
            "count": 7453621,
            "maximum": 232136060.8,
            "minimum": 232135771.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 124.7615338,
            "variance": 15565.44031
          },
          {
            "average": 1.154266497,
            "count": 7453621,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.19576532,
            "variance": 1.429854701
          },
          {
            "average": 0,
            "count": 7453621,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7453621,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2112237797,
            "count": 7453621,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4081768207,
            "variance": 0.1666083169
          },
          {
            "average": 0,
            "count": 7453621,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          731299.9905,
          2045079.194,
          -124.9685966,
          732300.0105,
          2045499.994,
          562.8514034
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                731299.9905072725,
                2045079.1941360678,
                -124.96859658354597
              ],
              [
                731299.9905072725,
                2045499.9941360676,
                -124.96859658354597
              ],
              [
                732300.0105072726,
                2045499.9941360676,
                562.8514034164541
              ],
              [
                732300.0105072726,
                2045079.1941360678,
                562.8514034164541
              ],
              [
                731299.9905072725,
                2045079.1941360678,
                -124.96859658354597
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:01:00+00:00",
        "end_time": "2019-01-21T19:56:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_731300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_731300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_731300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_731300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.809474,
            18.48336767,
            -124.9685966,
            -66.79995993,
            18.4872779,
            562.8514034
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.80947399571926,
                  18.483477429407937,
                  -124.96859658354597
                ],
                [
                  -66.80942568872716,
                  18.48727790205461,
                  -124.96859658354597
                ],
                [
                  -66.79995992993082,
                  18.487168116615923,
                  562.8514034164541
                ],
                [
                  -66.80000844525416,
                  18.483367668124938,
                  562.8514034164541
                ],
                [
                  -66.80947399571926,
                  18.483477429407937,
                  -124.96859658354597
                ]
              ]
            ]
          },
          "id": "20190121_731300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_731300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:01:00Z",
            "pc:count": 7453621,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 731815.2654,
                "count": 7453621,
                "maximum": 732300.0105,
                "minimum": 731299.9905,
                "name": "X",
                "position": 0,
                "stddev": 258.1344559,
                "variance": 66633.3973
              },
              {
                "average": 2045337.323,
                "count": 7453621,
                "maximum": 2045499.994,
                "minimum": 2045079.194,
                "name": "Y",
                "position": 1,
                "stddev": 110.774845,
                "variance": 12271.06629
              },
              {
                "average": 19.2857449,
                "count": 7453621,
                "maximum": 562.8514034,
                "minimum": -124.9685966,
                "name": "Z",
                "position": 2,
                "stddev": 10.31316189,
                "variance": 106.3613082
              },
              {
                "average": 1557.487439,
                "count": 7453621,
                "maximum": 4538,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 518.5753991,
                "variance": 268920.4446
              },
              {
                "average": 1.718134314,
                "count": 7453621,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.301785152,
                "variance": 1.694644581
              },
              {
                "average": 2.436832246,
                "count": 7453621,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.96249875,
                "variance": 3.851401342
              },
              {
                "average": 0.3503069179,
                "count": 7453621,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4770660454,
                "variance": 0.2275920117
              },
              {
                "average": 0.001268913458,
                "count": 7453621,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03559920627,
                "variance": 0.001267303487
              },
              {
                "average": 1.30683288,
                "count": 7453621,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.6877647834,
                "variance": 0.4730203973
              },
              {
                "average": 2.715516083,
                "count": 7453621,
                "maximum": 23.87400055,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.68728236,
                "variance": 187.3416984
              },
              {
                "average": 1.154266497,
                "count": 7453621,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.19576532,
                "variance": 1.429854701
              },
              {
                "average": 90.68725026,
                "count": 7453621,
                "maximum": 91,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4636133815,
                "variance": 0.2149373675
              },
              {
                "average": 232135966.1,
                "count": 7453621,
                "maximum": 232136060.8,
                "minimum": 232135771.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 124.7615338,
                "variance": 15565.44031
              },
              {
                "average": 1.154266497,
                "count": 7453621,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.19576532,
                "variance": 1.429854701
              },
              {
                "average": 0,
                "count": 7453621,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7453621,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2112237797,
                "count": 7453621,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4081768207,
                "variance": 0.1666083169
              },
              {
                "average": 0,
                "count": 7453621,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              731299.9905,
              2045079.194,
              -124.9685966,
              732300.0105,
              2045499.994,
              562.8514034
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    731299.9905072725,
                    2045079.1941360678,
                    -124.96859658354597
                  ],
                  [
                    731299.9905072725,
                    2045499.9941360676,
                    -124.96859658354597
                  ],
                  [
                    732300.0105072726,
                    2045499.9941360676,
                    562.8514034164541
                  ],
                  [
                    732300.0105072726,
                    2045079.1941360678,
                    562.8514034164541
                  ],
                  [
                    731299.9905072725,
                    2045079.1941360678,
                    -124.96859658354597
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:01:00+00:00",
            "end_time": "2019-01-21T19:56:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_735300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.76601209809691,
              18.47617956773477,
              -85.60271276373521
            ],
            [
              -66.76599191039001,
              18.477737644757568,
              -85.60271276373521
            ],
            [
              -66.7622156497468,
              18.47769305609416,
              414.0772872362648
            ],
            [
              -66.76223587150865,
              18.47613498309528,
              414.0772872362648
            ],
            [
              -66.76601209809691,
              18.47617956773477,
              -85.60271276373521
            ]
          ]
        ]
      },
      "bbox": [
        -66.7660121,
        18.47613498,
        -85.60271276,
        -66.76221565,
        18.47773764,
        414.0772872
      ],
      "properties": {
        "datetime": "2019-01-21T14:04:33Z",
        "pc:count": 893857,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 736177.4792,
            "count": 893857,
            "maximum": 736300.0023,
            "minimum": 735901.0223,
            "name": "X",
            "position": 0,
            "stddev": 85.42054871,
            "variance": 7296.670142
          },
          {
            "average": 2044415.925,
            "count": 893857,
            "maximum": 2044500,
            "minimum": 2044327.48,
            "name": "Y",
            "position": 1,
            "stddev": 40.16366901,
            "variance": 1613.120308
          },
          {
            "average": 40.30519758,
            "count": 893857,
            "maximum": 414.0772872,
            "minimum": -85.60271276,
            "name": "Z",
            "position": 2,
            "stddev": 3.536107405,
            "variance": 12.50405558
          },
          {
            "average": 1360.870297,
            "count": 893857,
            "maximum": 4253,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 520.5555017,
            "variance": 270978.0303
          },
          {
            "average": 2.263890085,
            "count": 893857,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.563167162,
            "variance": 2.443491577
          },
          {
            "average": 3.526185956,
            "count": 893857,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.113835526,
            "variance": 4.468300631
          },
          {
            "average": 0.2019159664,
            "count": 893857,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4014300552,
            "variance": 0.1611460892
          },
          {
            "average": 0.00126642181,
            "count": 893857,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03556429953,
            "variance": 0.001264819401
          },
          {
            "average": 1.250500919,
            "count": 893857,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9341264756,
            "variance": 0.8725922724
          },
          {
            "average": -13.64977937,
            "count": 893857,
            "maximum": -3,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.697179118,
            "variance": 22.06349167
          },
          {
            "average": 0.8751444582,
            "count": 893857,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.206534396,
            "variance": 1.455725248
          },
          {
            "average": 66,
            "count": 893857,
            "maximum": 66,
            "minimum": 66,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232114670.9,
            "count": 893857,
            "maximum": 232114673.2,
            "minimum": 232114667.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.446929084,
            "variance": 2.093603774
          },
          {
            "average": 0.8751444582,
            "count": 893857,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.206534396,
            "variance": 1.455725248
          },
          {
            "average": 0,
            "count": 893857,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 893857,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.3012025413,
            "count": 893857,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.458780782,
            "variance": 0.2104798059
          },
          {
            "average": 0,
            "count": 893857,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          735901.0223,
          2044327.48,
          -85.60271276,
          736300.0023,
          2044500,
          414.0772872
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                735901.0223187094,
                2044327.4797841122,
                -85.60271276373521
              ],
              [
                735901.0223187094,
                2044499.9997841122,
                -85.60271276373521
              ],
              [
                736300.0023187094,
                2044499.9997841122,
                414.0772872362648
              ],
              [
                736300.0023187094,
                2044327.4797841122,
                414.0772872362648
              ],
              [
                735901.0223187094,
                2044327.4797841122,
                -85.60271276373521
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T14:04:33+00:00",
        "end_time": "2019-01-21T14:04:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_735300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_735300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_735300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_735300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.7660121,
            18.47613498,
            -85.60271276,
            -66.76221565,
            18.47773764,
            414.0772872
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.76601209809691,
                  18.47617956773477,
                  -85.60271276373521
                ],
                [
                  -66.76599191039001,
                  18.477737644757568,
                  -85.60271276373521
                ],
                [
                  -66.7622156497468,
                  18.47769305609416,
                  414.0772872362648
                ],
                [
                  -66.76223587150865,
                  18.47613498309528,
                  414.0772872362648
                ],
                [
                  -66.76601209809691,
                  18.47617956773477,
                  -85.60271276373521
                ]
              ]
            ]
          },
          "id": "20190121_735300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_735300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T14:04:33Z",
            "pc:count": 893857,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 736177.4792,
                "count": 893857,
                "maximum": 736300.0023,
                "minimum": 735901.0223,
                "name": "X",
                "position": 0,
                "stddev": 85.42054871,
                "variance": 7296.670142
              },
              {
                "average": 2044415.925,
                "count": 893857,
                "maximum": 2044500,
                "minimum": 2044327.48,
                "name": "Y",
                "position": 1,
                "stddev": 40.16366901,
                "variance": 1613.120308
              },
              {
                "average": 40.30519758,
                "count": 893857,
                "maximum": 414.0772872,
                "minimum": -85.60271276,
                "name": "Z",
                "position": 2,
                "stddev": 3.536107405,
                "variance": 12.50405558
              },
              {
                "average": 1360.870297,
                "count": 893857,
                "maximum": 4253,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 520.5555017,
                "variance": 270978.0303
              },
              {
                "average": 2.263890085,
                "count": 893857,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.563167162,
                "variance": 2.443491577
              },
              {
                "average": 3.526185956,
                "count": 893857,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.113835526,
                "variance": 4.468300631
              },
              {
                "average": 0.2019159664,
                "count": 893857,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4014300552,
                "variance": 0.1611460892
              },
              {
                "average": 0.00126642181,
                "count": 893857,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03556429953,
                "variance": 0.001264819401
              },
              {
                "average": 1.250500919,
                "count": 893857,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9341264756,
                "variance": 0.8725922724
              },
              {
                "average": -13.64977937,
                "count": 893857,
                "maximum": -3,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.697179118,
                "variance": 22.06349167
              },
              {
                "average": 0.8751444582,
                "count": 893857,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.206534396,
                "variance": 1.455725248
              },
              {
                "average": 66,
                "count": 893857,
                "maximum": 66,
                "minimum": 66,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232114670.9,
                "count": 893857,
                "maximum": 232114673.2,
                "minimum": 232114667.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.446929084,
                "variance": 2.093603774
              },
              {
                "average": 0.8751444582,
                "count": 893857,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.206534396,
                "variance": 1.455725248
              },
              {
                "average": 0,
                "count": 893857,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 893857,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.3012025413,
                "count": 893857,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.458780782,
                "variance": 0.2104798059
              },
              {
                "average": 0,
                "count": 893857,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              735901.0223,
              2044327.48,
              -85.60271276,
              736300.0023,
              2044500,
              414.0772872
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    735901.0223187094,
                    2044327.4797841122,
                    -85.60271276373521
                  ],
                  [
                    735901.0223187094,
                    2044499.9997841122,
                    -85.60271276373521
                  ],
                  [
                    736300.0023187094,
                    2044499.9997841122,
                    414.0772872362648
                  ],
                  [
                    736300.0023187094,
                    2044327.4797841122,
                    414.0772872362648
                  ],
                  [
                    735901.0223187094,
                    2044327.4797841122,
                    -85.60271276373521
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T14:04:33+00:00",
            "end_time": "2019-01-21T14:04:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_733300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.79037869435315,
              18.49608920108548,
              -138.90394662105695
            ],
            [
              -66.79031626377603,
              18.500954603700837,
              -138.90394662105695
            ],
            [
              -66.78085006530578,
              18.500843786391673,
              536.636053378943
            ],
            [
              -66.78091276279908,
              18.495978414971262,
              536.636053378943
            ],
            [
              -66.79037869435315,
              18.49608920108548,
              -138.90394662105695
            ]
          ]
        ]
      },
      "bbox": [
        -66.79037869,
        18.49597841,
        -138.9039466,
        -66.78085007,
        18.5009546,
        536.6360534
      ],
      "properties": {
        "datetime": "2019-04-03T16:18:41Z",
        "pc:count": 4836800,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 733799.9938,
            "count": 4836800,
            "maximum": 734299.9997,
            "minimum": 733299.9997,
            "name": "X",
            "position": 0,
            "stddev": 289.6525463,
            "variance": 83898.59758
          },
          {
            "average": 2046764.518,
            "count": 4836800,
            "maximum": 2047038.705,
            "minimum": 2046499.985,
            "name": "Y",
            "position": 1,
            "stddev": 140.4479868,
            "variance": 19725.637
          },
          {
            "average": 0.08535594676,
            "count": 4836800,
            "maximum": 536.6360534,
            "minimum": -138.9039466,
            "name": "Z",
            "position": 2,
            "stddev": 9.094066161,
            "variance": 82.70203935
          },
          {
            "average": 704.9088927,
            "count": 4836800,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 552.9895986,
            "variance": 305797.4962
          },
          {
            "average": 1.05809068,
            "count": 4836800,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2480944367,
            "variance": 0.06155084952
          },
          {
            "average": 1.116310164,
            "count": 4836800,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3511319271,
            "variance": 0.1232936302
          },
          {
            "average": 0.4156159031,
            "count": 4836800,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4928279359,
            "variance": 0.2428793744
          },
          {
            "average": 0.003887901092,
            "count": 4836800,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06223171312,
            "variance": 0.003872786117
          },
          {
            "average": 26.87896998,
            "count": 4836800,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.77007843,
            "variance": 431.3961579
          },
          {
            "average": -0.2671407596,
            "count": 4836800,
            "maximum": 23.08799934,
            "minimum": -24.32999992,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.70907281,
            "variance": 161.5205317
          },
          {
            "average": 1.073165936,
            "count": 4836800,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.112016696,
            "variance": 1.236581131
          },
          {
            "average": 90.54870452,
            "count": 4836800,
            "maximum": 153,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.432668531,
            "variance": 19.64855031
          },
          {
            "average": 232149628.8,
            "count": 4836800,
            "maximum": 238343521.5,
            "minimum": 232133613.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 293000.6372,
            "variance": 85849373420.0
          },
          {
            "average": 1.073165936,
            "count": 4836800,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.112016696,
            "variance": 1.236581131
          },
          {
            "average": 0,
            "count": 4836800,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4836800,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2029525719,
            "count": 4836800,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4021975372,
            "variance": 0.1617628589
          },
          {
            "average": 0,
            "count": 4836800,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          733299.9997,
          2046499.985,
          -138.9039466,
          734299.9997,
          2047038.705,
          536.6360534
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                733299.9997360753,
                2046499.985192056,
                -138.90394662105695
              ],
              [
                733299.9997360753,
                2047038.7051920563,
                -138.90394662105695
              ],
              [
                734299.9997360753,
                2047038.7051920563,
                536.636053378943
              ],
              [
                734299.9997360753,
                2046499.985192056,
                536.636053378943
              ],
              [
                733299.9997360753,
                2046499.985192056,
                -138.90394662105695
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:18:41+00:00",
        "end_time": "2019-01-21T19:20:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_733300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_733300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_733300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_733300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.79037869,
            18.49597841,
            -138.9039466,
            -66.78085007,
            18.5009546,
            536.6360534
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.79037869435315,
                  18.49608920108548,
                  -138.90394662105695
                ],
                [
                  -66.79031626377603,
                  18.500954603700837,
                  -138.90394662105695
                ],
                [
                  -66.78085006530578,
                  18.500843786391673,
                  536.636053378943
                ],
                [
                  -66.78091276279908,
                  18.495978414971262,
                  536.636053378943
                ],
                [
                  -66.79037869435315,
                  18.49608920108548,
                  -138.90394662105695
                ]
              ]
            ]
          },
          "id": "20190121_733300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_733300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:18:41Z",
            "pc:count": 4836800,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 733799.9938,
                "count": 4836800,
                "maximum": 734299.9997,
                "minimum": 733299.9997,
                "name": "X",
                "position": 0,
                "stddev": 289.6525463,
                "variance": 83898.59758
              },
              {
                "average": 2046764.518,
                "count": 4836800,
                "maximum": 2047038.705,
                "minimum": 2046499.985,
                "name": "Y",
                "position": 1,
                "stddev": 140.4479868,
                "variance": 19725.637
              },
              {
                "average": 0.08535594676,
                "count": 4836800,
                "maximum": 536.6360534,
                "minimum": -138.9039466,
                "name": "Z",
                "position": 2,
                "stddev": 9.094066161,
                "variance": 82.70203935
              },
              {
                "average": 704.9088927,
                "count": 4836800,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 552.9895986,
                "variance": 305797.4962
              },
              {
                "average": 1.05809068,
                "count": 4836800,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2480944367,
                "variance": 0.06155084952
              },
              {
                "average": 1.116310164,
                "count": 4836800,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3511319271,
                "variance": 0.1232936302
              },
              {
                "average": 0.4156159031,
                "count": 4836800,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4928279359,
                "variance": 0.2428793744
              },
              {
                "average": 0.003887901092,
                "count": 4836800,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06223171312,
                "variance": 0.003872786117
              },
              {
                "average": 26.87896998,
                "count": 4836800,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.77007843,
                "variance": 431.3961579
              },
              {
                "average": -0.2671407596,
                "count": 4836800,
                "maximum": 23.08799934,
                "minimum": -24.32999992,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.70907281,
                "variance": 161.5205317
              },
              {
                "average": 1.073165936,
                "count": 4836800,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.112016696,
                "variance": 1.236581131
              },
              {
                "average": 90.54870452,
                "count": 4836800,
                "maximum": 153,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.432668531,
                "variance": 19.64855031
              },
              {
                "average": 232149628.8,
                "count": 4836800,
                "maximum": 238343521.5,
                "minimum": 232133613.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 293000.6372,
                "variance": 85849373420.0
              },
              {
                "average": 1.073165936,
                "count": 4836800,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.112016696,
                "variance": 1.236581131
              },
              {
                "average": 0,
                "count": 4836800,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4836800,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2029525719,
                "count": 4836800,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4021975372,
                "variance": 0.1617628589
              },
              {
                "average": 0,
                "count": 4836800,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              733299.9997,
              2046499.985,
              -138.9039466,
              734299.9997,
              2047038.705,
              536.6360534
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    733299.9997360753,
                    2046499.985192056,
                    -138.90394662105695
                  ],
                  [
                    733299.9997360753,
                    2047038.7051920563,
                    -138.90394662105695
                  ],
                  [
                    734299.9997360753,
                    2047038.7051920563,
                    536.636053378943
                  ],
                  [
                    734299.9997360753,
                    2046499.985192056,
                    536.636053378943
                  ],
                  [
                    733299.9997360753,
                    2046499.985192056,
                    -138.90394662105695
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:18:41+00:00",
            "end_time": "2019-01-21T19:20:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_728300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.83790178900215,
              18.481307522711766,
              -127.0272423569358
            ],
            [
              -66.83782279370158,
              18.487604433342714,
              -127.0272423569358
            ],
            [
              -66.828356837283,
              18.487496065496348,
              566.7927576430643
            ],
            [
              -66.82843617776177,
              18.481199194370422,
              566.7927576430643
            ],
            [
              -66.83790178900215,
              18.481307522711766,
              -127.0272423569358
            ]
          ]
        ]
      },
      "bbox": [
        -66.83790179,
        18.48119919,
        -127.0272424,
        -66.82835684,
        18.48760443,
        566.7927576
      ],
      "properties": {
        "datetime": "2019-01-21T20:12:46Z",
        "pc:count": 15260689,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 728813.2334,
            "count": 15260689,
            "maximum": 729300.0104,
            "minimum": 728299.9904,
            "name": "X",
            "position": 0,
            "stddev": 306.3774191,
            "variance": 93867.12291
          },
          {
            "average": 2045206.266,
            "count": 15260689,
            "maximum": 2045499.996,
            "minimum": 2044802.796,
            "name": "Y",
            "position": 1,
            "stddev": 179.3569167,
            "variance": 32168.90357
          },
          {
            "average": 3.573723286,
            "count": 15260689,
            "maximum": 566.7927576,
            "minimum": -127.0272424,
            "name": "Z",
            "position": 2,
            "stddev": 8.07275596,
            "variance": 65.1693888
          },
          {
            "average": 1386.411228,
            "count": 15260689,
            "maximum": 4204,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 513.8162709,
            "variance": 264007.1602
          },
          {
            "average": 1.883465222,
            "count": 15260689,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.329217733,
            "variance": 1.766819781
          },
          {
            "average": 2.766956983,
            "count": 15260689,
            "maximum": 9,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.906967558,
            "variance": 3.636525268
          },
          {
            "average": 0.3553279279,
            "count": 15260689,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.478612585,
            "variance": 0.2290700066
          },
          {
            "average": 0.001276613395,
            "count": 15260689,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03570691442,
            "variance": 0.001274983737
          },
          {
            "average": 2.902122571,
            "count": 15260689,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.310538971,
            "variance": 69.06505799
          },
          {
            "average": 0.02093679294,
            "count": 15260689,
            "maximum": 24.0720005,
            "minimum": -22.37400055,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.80215142,
            "variance": 190.4993837
          },
          {
            "average": 1.049792051,
            "count": 15260689,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.156138847,
            "variance": 1.336657034
          },
          {
            "average": 91.36481184,
            "count": 15260689,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6931616827,
            "variance": 0.4804731184
          },
          {
            "average": 232136372.9,
            "count": 15260689,
            "maximum": 232136766.3,
            "minimum": 232135726.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 389.8939115,
            "variance": 152017.2623
          },
          {
            "average": 1.049792051,
            "count": 15260689,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.156138847,
            "variance": 1.336657034
          },
          {
            "average": 0,
            "count": 15260689,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15260689,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2155478694,
            "count": 15260689,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4112018926,
            "variance": 0.1690869965
          },
          {
            "average": 0,
            "count": 15260689,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          728299.9904,
          2044802.796,
          -127.0272424,
          729300.0104,
          2045499.996,
          566.7927576
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                728299.9904099111,
                2044802.7959809203,
                -127.0272423569358
              ],
              [
                728299.9904099111,
                2045499.9959809205,
                -127.0272423569358
              ],
              [
                729300.0104099112,
                2045499.9959809205,
                566.7927576430643
              ],
              [
                729300.0104099112,
                2044802.7959809203,
                566.7927576430643
              ],
              [
                728299.9904099111,
                2044802.7959809203,
                -127.0272423569358
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:12:46+00:00",
        "end_time": "2019-01-21T19:55:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_728300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_728300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_728300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_728300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.83790179,
            18.48119919,
            -127.0272424,
            -66.82835684,
            18.48760443,
            566.7927576
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.83790178900215,
                  18.481307522711766,
                  -127.0272423569358
                ],
                [
                  -66.83782279370158,
                  18.487604433342714,
                  -127.0272423569358
                ],
                [
                  -66.828356837283,
                  18.487496065496348,
                  566.7927576430643
                ],
                [
                  -66.82843617776177,
                  18.481199194370422,
                  566.7927576430643
                ],
                [
                  -66.83790178900215,
                  18.481307522711766,
                  -127.0272423569358
                ]
              ]
            ]
          },
          "id": "20190121_728300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_728300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:12:46Z",
            "pc:count": 15260689,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 728813.2334,
                "count": 15260689,
                "maximum": 729300.0104,
                "minimum": 728299.9904,
                "name": "X",
                "position": 0,
                "stddev": 306.3774191,
                "variance": 93867.12291
              },
              {
                "average": 2045206.266,
                "count": 15260689,
                "maximum": 2045499.996,
                "minimum": 2044802.796,
                "name": "Y",
                "position": 1,
                "stddev": 179.3569167,
                "variance": 32168.90357
              },
              {
                "average": 3.573723286,
                "count": 15260689,
                "maximum": 566.7927576,
                "minimum": -127.0272424,
                "name": "Z",
                "position": 2,
                "stddev": 8.07275596,
                "variance": 65.1693888
              },
              {
                "average": 1386.411228,
                "count": 15260689,
                "maximum": 4204,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 513.8162709,
                "variance": 264007.1602
              },
              {
                "average": 1.883465222,
                "count": 15260689,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.329217733,
                "variance": 1.766819781
              },
              {
                "average": 2.766956983,
                "count": 15260689,
                "maximum": 9,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.906967558,
                "variance": 3.636525268
              },
              {
                "average": 0.3553279279,
                "count": 15260689,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.478612585,
                "variance": 0.2290700066
              },
              {
                "average": 0.001276613395,
                "count": 15260689,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03570691442,
                "variance": 0.001274983737
              },
              {
                "average": 2.902122571,
                "count": 15260689,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.310538971,
                "variance": 69.06505799
              },
              {
                "average": 0.02093679294,
                "count": 15260689,
                "maximum": 24.0720005,
                "minimum": -22.37400055,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.80215142,
                "variance": 190.4993837
              },
              {
                "average": 1.049792051,
                "count": 15260689,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.156138847,
                "variance": 1.336657034
              },
              {
                "average": 91.36481184,
                "count": 15260689,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6931616827,
                "variance": 0.4804731184
              },
              {
                "average": 232136372.9,
                "count": 15260689,
                "maximum": 232136766.3,
                "minimum": 232135726.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 389.8939115,
                "variance": 152017.2623
              },
              {
                "average": 1.049792051,
                "count": 15260689,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.156138847,
                "variance": 1.336657034
              },
              {
                "average": 0,
                "count": 15260689,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15260689,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2155478694,
                "count": 15260689,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4112018926,
                "variance": 0.1690869965
              },
              {
                "average": 0,
                "count": 15260689,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              728299.9904,
              2044802.796,
              -127.0272424,
              729300.0104,
              2045499.996,
              566.7927576
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    728299.9904099111,
                    2044802.7959809203,
                    -127.0272423569358
                  ],
                  [
                    728299.9904099111,
                    2045499.9959809205,
                    -127.0272423569358
                  ],
                  [
                    729300.0104099112,
                    2045499.9959809205,
                    566.7927576430643
                  ],
                  [
                    729300.0104099112,
                    2044802.7959809203,
                    566.7927576430643
                  ],
                  [
                    728299.9904099111,
                    2044802.7959809203,
                    -127.0272423569358
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:12:46+00:00",
            "end_time": "2019-01-21T19:55:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2038500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1888578821607,
              18.419012143107977,
              -91.97566475478229
            ],
            [
              -67.18876329629943,
              18.428046024831488,
              -91.97566475478229
            ],
            [
              -67.17929857679943,
              18.427955483124318,
              498.6243352452177
            ],
            [
              -67.17939365626061,
              18.418921648884936,
              498.6243352452177
            ],
            [
              -67.1888578821607,
              18.419012143107977,
              -91.97566475478229
            ]
          ]
        ]
      },
      "bbox": [
        -67.18885788,
        18.41892165,
        -91.97566475,
        -67.17929858,
        18.42804602,
        498.6243352
      ],
      "properties": {
        "datetime": "2019-01-26T13:07:15Z",
        "pc:count": 24080227,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691784.1558,
            "count": 24080227,
            "maximum": 692300.0103,
            "minimum": 691299.9903,
            "name": "X",
            "position": 0,
            "stddev": 290.2540027,
            "variance": 84247.38608
          },
          {
            "average": 2038059.359,
            "count": 24080227,
            "maximum": 2038500,
            "minimum": 2037499.98,
            "name": "Y",
            "position": 1,
            "stddev": 258.2600261,
            "variance": 66698.24106
          },
          {
            "average": -0.3962760194,
            "count": 24080227,
            "maximum": 498.6243352,
            "minimum": -91.97566475,
            "name": "Z",
            "position": 2,
            "stddev": 6.726034111,
            "variance": 45.23953486
          },
          {
            "average": 232.579565,
            "count": 24080227,
            "maximum": 3596,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 349.5200478,
            "variance": 122164.2638
          },
          {
            "average": 1.923058491,
            "count": 24080227,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.083560883,
            "variance": 1.174104186
          },
          {
            "average": 2.846364987,
            "count": 24080227,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.321826518,
            "variance": 1.747225343
          },
          {
            "average": 0.5470342535,
            "count": 24080227,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4977828736,
            "variance": 0.2477877893
          },
          {
            "average": 0.001509537265,
            "count": 24080227,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03882342881,
            "variance": 0.001507258625
          },
          {
            "average": 30.88873917,
            "count": 24080227,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.38479375,
            "variance": 415.5398161
          },
          {
            "average": -0.4142245353,
            "count": 24080227,
            "maximum": 20.61599922,
            "minimum": -21.60000038,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.91894494,
            "variance": 193.7370283
          },
          {
            "average": 0.7468155512,
            "count": 24080227,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7672318448,
            "variance": 0.5886447036
          },
          {
            "average": 103.9983795,
            "count": 24080227,
            "maximum": 107,
            "minimum": 102,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.157259642,
            "variance": 1.339249879
          },
          {
            "average": 232541812.1,
            "count": 24080227,
            "maximum": 232543235.2,
            "minimum": 232540997.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 490.4125701,
            "variance": 240504.4889
          },
          {
            "average": 0.7468155512,
            "count": 24080227,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7672318448,
            "variance": 0.5886447036
          },
          {
            "average": 0,
            "count": 24080227,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24080227,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2688718009,
            "count": 24080227,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4433731654,
            "variance": 0.1965797638
          },
          {
            "average": 0,
            "count": 24080227,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691299.9903,
          2037499.98,
          -91.97566475,
          692300.0103,
          2038500,
          498.6243352
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691299.9903334444,
                2037499.979557404,
                -91.97566475478229
              ],
              [
                691299.9903334444,
                2038499.999557404,
                -91.97566475478229
              ],
              [
                692300.0103334445,
                2038499.999557404,
                498.6243352452177
              ],
              [
                692300.0103334445,
                2037499.979557404,
                498.6243352452177
              ],
              [
                691299.9903334444,
                2037499.979557404,
                -91.97566475478229
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T13:07:15+00:00",
        "end_time": "2019-01-26T12:29:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2038500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2038500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2038500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2038500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.18885788,
            18.41892165,
            -91.97566475,
            -67.17929858,
            18.42804602,
            498.6243352
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1888578821607,
                  18.419012143107977,
                  -91.97566475478229
                ],
                [
                  -67.18876329629943,
                  18.428046024831488,
                  -91.97566475478229
                ],
                [
                  -67.17929857679943,
                  18.427955483124318,
                  498.6243352452177
                ],
                [
                  -67.17939365626061,
                  18.418921648884936,
                  498.6243352452177
                ],
                [
                  -67.1888578821607,
                  18.419012143107977,
                  -91.97566475478229
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2038500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2038500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T13:07:15Z",
            "pc:count": 24080227,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691784.1558,
                "count": 24080227,
                "maximum": 692300.0103,
                "minimum": 691299.9903,
                "name": "X",
                "position": 0,
                "stddev": 290.2540027,
                "variance": 84247.38608
              },
              {
                "average": 2038059.359,
                "count": 24080227,
                "maximum": 2038500,
                "minimum": 2037499.98,
                "name": "Y",
                "position": 1,
                "stddev": 258.2600261,
                "variance": 66698.24106
              },
              {
                "average": -0.3962760194,
                "count": 24080227,
                "maximum": 498.6243352,
                "minimum": -91.97566475,
                "name": "Z",
                "position": 2,
                "stddev": 6.726034111,
                "variance": 45.23953486
              },
              {
                "average": 232.579565,
                "count": 24080227,
                "maximum": 3596,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 349.5200478,
                "variance": 122164.2638
              },
              {
                "average": 1.923058491,
                "count": 24080227,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.083560883,
                "variance": 1.174104186
              },
              {
                "average": 2.846364987,
                "count": 24080227,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.321826518,
                "variance": 1.747225343
              },
              {
                "average": 0.5470342535,
                "count": 24080227,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4977828736,
                "variance": 0.2477877893
              },
              {
                "average": 0.001509537265,
                "count": 24080227,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03882342881,
                "variance": 0.001507258625
              },
              {
                "average": 30.88873917,
                "count": 24080227,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.38479375,
                "variance": 415.5398161
              },
              {
                "average": -0.4142245353,
                "count": 24080227,
                "maximum": 20.61599922,
                "minimum": -21.60000038,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.91894494,
                "variance": 193.7370283
              },
              {
                "average": 0.7468155512,
                "count": 24080227,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7672318448,
                "variance": 0.5886447036
              },
              {
                "average": 103.9983795,
                "count": 24080227,
                "maximum": 107,
                "minimum": 102,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.157259642,
                "variance": 1.339249879
              },
              {
                "average": 232541812.1,
                "count": 24080227,
                "maximum": 232543235.2,
                "minimum": 232540997.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 490.4125701,
                "variance": 240504.4889
              },
              {
                "average": 0.7468155512,
                "count": 24080227,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7672318448,
                "variance": 0.5886447036
              },
              {
                "average": 0,
                "count": 24080227,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24080227,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2688718009,
                "count": 24080227,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4433731654,
                "variance": 0.1965797638
              },
              {
                "average": 0,
                "count": 24080227,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691299.9903,
              2037499.98,
              -91.97566475,
              692300.0103,
              2038500,
              498.6243352
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691299.9903334444,
                    2037499.979557404,
                    -91.97566475478229
                  ],
                  [
                    691299.9903334444,
                    2038499.999557404,
                    -91.97566475478229
                  ],
                  [
                    692300.0103334445,
                    2038499.999557404,
                    498.6243352452177
                  ],
                  [
                    692300.0103334445,
                    2037499.979557404,
                    498.6243352452177
                  ],
                  [
                    691299.9903334444,
                    2037499.979557404,
                    -91.97566475478229
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T13:07:15+00:00",
            "end_time": "2019-01-26T12:29:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190403_737300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.75251536834368,
              18.495643165469566,
              -84.66070826934035
            ],
            [
              -66.75250984815905,
              18.49606618602633,
              -84.66070826934035
            ],
            [
              -66.74304416323503,
              18.495953506398543,
              65.71929173065965
            ],
            [
              -66.74304970662084,
              18.49553048860029,
              65.71929173065965
            ],
            [
              -66.75251536834368,
              18.495643165469566,
              -84.66070826934035
            ]
          ]
        ]
      },
      "bbox": [
        -66.75251537,
        18.49553049,
        -84.66070827,
        -66.74304416,
        18.49606619,
        65.71929173
      ],
      "properties": {
        "datetime": "2019-04-03T16:17:58Z",
        "pc:count": 189994,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 737765.5585,
            "count": 189994,
            "maximum": 738300.0001,
            "minimum": 737300.0001,
            "name": "X",
            "position": 0,
            "stddev": 285.6126203,
            "variance": 81574.56887
          },
          {
            "average": 2046513.385,
            "count": 189994,
            "maximum": 2046546.819,
            "minimum": 2046499.979,
            "name": "Y",
            "position": 1,
            "stddev": 7.072039547,
            "variance": 50.01374335
          },
          {
            "average": -0.1154438399,
            "count": 189994,
            "maximum": 65.71929173,
            "minimum": -84.66070827,
            "name": "Z",
            "position": 2,
            "stddev": 0.4788337297,
            "variance": 0.2292817407
          },
          {
            "average": 609.530822,
            "count": 189994,
            "maximum": 2324,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 404.0341727,
            "variance": 163243.6127
          },
          {
            "average": 1.004484352,
            "count": 189994,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0672078845,
            "variance": 0.004516899738
          },
          {
            "average": 1.008900281,
            "count": 189994,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09475765426,
            "variance": 0.008979013041
          },
          {
            "average": 0.5971820163,
            "count": 189994,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4904660252,
            "variance": 0.2405569218
          },
          {
            "average": 0.02490604966,
            "count": 189994,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.1558392318,
            "variance": 0.02428586618
          },
          {
            "average": 3.171236986,
            "count": 189994,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.508492009,
            "variance": 90.41142029
          },
          {
            "average": 19.13506349,
            "count": 189994,
            "maximum": 20.61000061,
            "minimum": 16.30800056,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.7318467873,
            "variance": 0.5355997201
          },
          {
            "average": 0.7481657315,
            "count": 189994,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7002740758,
            "variance": 0.4903837813
          },
          {
            "average": 153,
            "count": 189994,
            "maximum": 153,
            "minimum": 153,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 238343470.9,
            "count": 189994,
            "maximum": 238343478.9,
            "minimum": 238343461.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.297796258,
            "variance": 18.47105267
          },
          {
            "average": 0.7481657315,
            "count": 189994,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7002740758,
            "variance": 0.4903837813
          },
          {
            "average": 0,
            "count": 189994,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 189994,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.9056496521,
            "count": 189994,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.2923162833,
            "variance": 0.0854488095
          },
          {
            "average": 0,
            "count": 189994,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          737300.0001,
          2046499.979,
          -84.66070827,
          738300.0001,
          2046546.819,
          65.71929173
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                737300.0001402824,
                2046499.9791122773,
                -84.66070826934035
              ],
              [
                737300.0001402824,
                2046546.8191122771,
                -84.66070826934035
              ],
              [
                738300.0001402824,
                2046546.8191122771,
                65.71929173065965
              ],
              [
                738300.0001402824,
                2046499.9791122773,
                65.71929173065965
              ],
              [
                737300.0001402824,
                2046499.9791122773,
                -84.66070826934035
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:17:58+00:00",
        "end_time": "2019-04-03T16:17:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190403_737300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190403_737300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190403_737300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_737300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.75251537,
            18.49553049,
            -84.66070827,
            -66.74304416,
            18.49606619,
            65.71929173
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.75251536834368,
                  18.495643165469566,
                  -84.66070826934035
                ],
                [
                  -66.75250984815905,
                  18.49606618602633,
                  -84.66070826934035
                ],
                [
                  -66.74304416323503,
                  18.495953506398543,
                  65.71929173065965
                ],
                [
                  -66.74304970662084,
                  18.49553048860029,
                  65.71929173065965
                ],
                [
                  -66.75251536834368,
                  18.495643165469566,
                  -84.66070826934035
                ]
              ]
            ]
          },
          "id": "20190403_737300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190403_737300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:17:58Z",
            "pc:count": 189994,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 737765.5585,
                "count": 189994,
                "maximum": 738300.0001,
                "minimum": 737300.0001,
                "name": "X",
                "position": 0,
                "stddev": 285.6126203,
                "variance": 81574.56887
              },
              {
                "average": 2046513.385,
                "count": 189994,
                "maximum": 2046546.819,
                "minimum": 2046499.979,
                "name": "Y",
                "position": 1,
                "stddev": 7.072039547,
                "variance": 50.01374335
              },
              {
                "average": -0.1154438399,
                "count": 189994,
                "maximum": 65.71929173,
                "minimum": -84.66070827,
                "name": "Z",
                "position": 2,
                "stddev": 0.4788337297,
                "variance": 0.2292817407
              },
              {
                "average": 609.530822,
                "count": 189994,
                "maximum": 2324,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 404.0341727,
                "variance": 163243.6127
              },
              {
                "average": 1.004484352,
                "count": 189994,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0672078845,
                "variance": 0.004516899738
              },
              {
                "average": 1.008900281,
                "count": 189994,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09475765426,
                "variance": 0.008979013041
              },
              {
                "average": 0.5971820163,
                "count": 189994,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4904660252,
                "variance": 0.2405569218
              },
              {
                "average": 0.02490604966,
                "count": 189994,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.1558392318,
                "variance": 0.02428586618
              },
              {
                "average": 3.171236986,
                "count": 189994,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.508492009,
                "variance": 90.41142029
              },
              {
                "average": 19.13506349,
                "count": 189994,
                "maximum": 20.61000061,
                "minimum": 16.30800056,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.7318467873,
                "variance": 0.5355997201
              },
              {
                "average": 0.7481657315,
                "count": 189994,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7002740758,
                "variance": 0.4903837813
              },
              {
                "average": 153,
                "count": 189994,
                "maximum": 153,
                "minimum": 153,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 238343470.9,
                "count": 189994,
                "maximum": 238343478.9,
                "minimum": 238343461.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.297796258,
                "variance": 18.47105267
              },
              {
                "average": 0.7481657315,
                "count": 189994,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7002740758,
                "variance": 0.4903837813
              },
              {
                "average": 0,
                "count": 189994,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 189994,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.9056496521,
                "count": 189994,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.2923162833,
                "variance": 0.0854488095
              },
              {
                "average": 0,
                "count": 189994,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              737300.0001,
              2046499.979,
              -84.66070827,
              738300.0001,
              2046546.819,
              65.71929173
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    737300.0001402824,
                    2046499.9791122773,
                    -84.66070826934035
                  ],
                  [
                    737300.0001402824,
                    2046546.8191122771,
                    -84.66070826934035
                  ],
                  [
                    738300.0001402824,
                    2046546.8191122771,
                    65.71929173065965
                  ],
                  [
                    738300.0001402824,
                    2046499.9791122773,
                    65.71929173065965
                  ],
                  [
                    737300.0001402824,
                    2046499.9791122773,
                    -84.66070826934035
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:17:58+00:00",
            "end_time": "2019-04-03T16:17:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_740300e_2043500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.72263399941059,
              18.465627151431875,
              -106.13233023755296
            ],
            [
              -66.72260018907801,
              18.46818834932349,
              -106.13233023755296
            ],
            [
              -66.71501217120655,
              18.468096976321416,
              483.267669762447
            ],
            [
              -66.71504609395244,
              18.465535791990668,
              483.267669762447
            ],
            [
              -66.72263399941059,
              18.465627151431875,
              -106.13233023755296
            ]
          ]
        ]
      },
      "bbox": [
        -66.722634,
        18.46553579,
        -106.1323302,
        -66.71501217,
        18.46818835,
        483.2676698
      ],
      "properties": {
        "datetime": "2019-01-21T13:01:36Z",
        "pc:count": 2394234,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 741040.9598,
            "count": 2394234,
            "maximum": 741300.0151,
            "minimum": 740498.2351,
            "name": "X",
            "position": 0,
            "stddev": 169.9691951,
            "variance": 28889.52728
          },
          {
            "average": 2043357.892,
            "count": 2394234,
            "maximum": 2043500.005,
            "minimum": 2043216.405,
            "name": "Y",
            "position": 1,
            "stddev": 74.78908265,
            "variance": 5593.406884
          },
          {
            "average": 5.115944338,
            "count": 2394234,
            "maximum": 483.2676698,
            "minimum": -106.1323302,
            "name": "Z",
            "position": 2,
            "stddev": 7.064432189,
            "variance": 49.90620215
          },
          {
            "average": 1434.94751,
            "count": 2394234,
            "maximum": 4264,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 571.1928259,
            "variance": 326261.2443
          },
          {
            "average": 1.808608515,
            "count": 2394234,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.290795335,
            "variance": 1.666152597
          },
          {
            "average": 2.617798845,
            "count": 2394234,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.880616811,
            "variance": 3.536719588
          },
          {
            "average": 0.4250436674,
            "count": 2394234,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4943497247,
            "variance": 0.2443816503
          },
          {
            "average": 0.00119244819,
            "count": 2394234,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03451125548,
            "variance": 0.001191026755
          },
          {
            "average": 1.563731448,
            "count": 2394234,
            "maximum": 40,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.165153592,
            "variance": 17.34850445
          },
          {
            "average": 9.703932845,
            "count": 2394234,
            "maximum": 22.00200081,
            "minimum": -22.99799919,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.61468813,
            "variance": 74.21285158
          },
          {
            "average": 1.108164866,
            "count": 2394234,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.116413191,
            "variance": 1.246378414
          },
          {
            "average": 58.00074554,
            "count": 2394234,
            "maximum": 59,
            "minimum": 58,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.02729442511,
            "variance": 0.0007449856422
          },
          {
            "average": 232110594.4,
            "count": 2394234,
            "maximum": 232110896.5,
            "minimum": 232110589.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 8.63428587,
            "variance": 74.55089249
          },
          {
            "average": 1.108164866,
            "count": 2394234,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.116413191,
            "variance": 1.246378414
          },
          {
            "average": 0,
            "count": 2394234,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2394234,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2596396175,
            "count": 2394234,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4384369588,
            "variance": 0.1922269668
          },
          {
            "average": 0,
            "count": 2394234,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          740498.2351,
          2043216.405,
          -106.1323302,
          741300.0151,
          2043500.005,
          483.2676698
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                740498.2350788704,
                2043216.4049074973,
                -106.13233023755296
              ],
              [
                740498.2350788704,
                2043500.0049074974,
                -106.13233023755296
              ],
              [
                741300.0150788705,
                2043500.0049074974,
                483.267669762447
              ],
              [
                741300.0150788705,
                2043216.4049074973,
                483.267669762447
              ],
              [
                740498.2350788704,
                2043216.4049074973,
                -106.13233023755296
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T13:01:36+00:00",
        "end_time": "2019-01-21T12:56:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_740300e_2043500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_740300e_2043500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_740300e_2043500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_740300e_2043500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.722634,
            18.46553579,
            -106.1323302,
            -66.71501217,
            18.46818835,
            483.2676698
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.72263399941059,
                  18.465627151431875,
                  -106.13233023755296
                ],
                [
                  -66.72260018907801,
                  18.46818834932349,
                  -106.13233023755296
                ],
                [
                  -66.71501217120655,
                  18.468096976321416,
                  483.267669762447
                ],
                [
                  -66.71504609395244,
                  18.465535791990668,
                  483.267669762447
                ],
                [
                  -66.72263399941059,
                  18.465627151431875,
                  -106.13233023755296
                ]
              ]
            ]
          },
          "id": "20190121_740300e_2043500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_740300e_2043500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T13:01:36Z",
            "pc:count": 2394234,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 741040.9598,
                "count": 2394234,
                "maximum": 741300.0151,
                "minimum": 740498.2351,
                "name": "X",
                "position": 0,
                "stddev": 169.9691951,
                "variance": 28889.52728
              },
              {
                "average": 2043357.892,
                "count": 2394234,
                "maximum": 2043500.005,
                "minimum": 2043216.405,
                "name": "Y",
                "position": 1,
                "stddev": 74.78908265,
                "variance": 5593.406884
              },
              {
                "average": 5.115944338,
                "count": 2394234,
                "maximum": 483.2676698,
                "minimum": -106.1323302,
                "name": "Z",
                "position": 2,
                "stddev": 7.064432189,
                "variance": 49.90620215
              },
              {
                "average": 1434.94751,
                "count": 2394234,
                "maximum": 4264,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 571.1928259,
                "variance": 326261.2443
              },
              {
                "average": 1.808608515,
                "count": 2394234,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.290795335,
                "variance": 1.666152597
              },
              {
                "average": 2.617798845,
                "count": 2394234,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.880616811,
                "variance": 3.536719588
              },
              {
                "average": 0.4250436674,
                "count": 2394234,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4943497247,
                "variance": 0.2443816503
              },
              {
                "average": 0.00119244819,
                "count": 2394234,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03451125548,
                "variance": 0.001191026755
              },
              {
                "average": 1.563731448,
                "count": 2394234,
                "maximum": 40,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.165153592,
                "variance": 17.34850445
              },
              {
                "average": 9.703932845,
                "count": 2394234,
                "maximum": 22.00200081,
                "minimum": -22.99799919,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.61468813,
                "variance": 74.21285158
              },
              {
                "average": 1.108164866,
                "count": 2394234,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.116413191,
                "variance": 1.246378414
              },
              {
                "average": 58.00074554,
                "count": 2394234,
                "maximum": 59,
                "minimum": 58,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.02729442511,
                "variance": 0.0007449856422
              },
              {
                "average": 232110594.4,
                "count": 2394234,
                "maximum": 232110896.5,
                "minimum": 232110589.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 8.63428587,
                "variance": 74.55089249
              },
              {
                "average": 1.108164866,
                "count": 2394234,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.116413191,
                "variance": 1.246378414
              },
              {
                "average": 0,
                "count": 2394234,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2394234,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2596396175,
                "count": 2394234,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4384369588,
                "variance": 0.1922269668
              },
              {
                "average": 0,
                "count": 2394234,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              740498.2351,
              2043216.405,
              -106.1323302,
              741300.0151,
              2043500.005,
              483.2676698
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    740498.2350788704,
                    2043216.4049074973,
                    -106.13233023755296
                  ],
                  [
                    740498.2350788704,
                    2043500.0049074974,
                    -106.13233023755296
                  ],
                  [
                    741300.0150788705,
                    2043500.0049074974,
                    483.267669762447
                  ],
                  [
                    741300.0150788705,
                    2043216.4049074973,
                    483.267669762447
                  ],
                  [
                    740498.2350788704,
                    2043216.4049074973,
                    -106.13233023755296
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T13:01:36+00:00",
            "end_time": "2019-01-21T12:56:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_695300e_2048500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.15003397228104,
              18.50898203490746,
              -104.68969625332804
            ],
            [
              -67.14993685361608,
              18.518015634309585,
              -104.68969625332804
            ],
            [
              -67.14046740451644,
              18.51792272249497,
              529.650303746672
            ],
            [
              -67.14056501958163,
              18.508889171614403,
              529.650303746672
            ],
            [
              -67.15003397228104,
              18.50898203490746,
              -104.68969625332804
            ]
          ]
        ]
      },
      "bbox": [
        -67.15003397,
        18.50888917,
        -104.6896963,
        -67.1404674,
        18.51801563,
        529.6503037
      ],
      "properties": {
        "datetime": "2019-01-21T18:56:18Z",
        "pc:count": 7348514,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 695858.9497,
            "count": 7348514,
            "maximum": 696300.0103,
            "minimum": 695299.9903,
            "name": "X",
            "position": 0,
            "stddev": 286.1248495,
            "variance": 81867.4295
          },
          {
            "average": 2047920.796,
            "count": 7348514,
            "maximum": 2048500,
            "minimum": 2047499.98,
            "name": "Y",
            "position": 1,
            "stddev": 283.483962,
            "variance": 80363.15672
          },
          {
            "average": -2.096654031,
            "count": 7348514,
            "maximum": 529.6503037,
            "minimum": -104.6896963,
            "name": "Z",
            "position": 2,
            "stddev": 12.8615475,
            "variance": 165.4194042
          },
          {
            "average": 626.6073779,
            "count": 7348514,
            "maximum": 3184,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 556.1668597,
            "variance": 309321.5758
          },
          {
            "average": 1.143865141,
            "count": 7348514,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.411953013,
            "variance": 0.169705285
          },
          {
            "average": 1.288161797,
            "count": 7348514,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5874015062,
            "variance": 0.3450405295
          },
          {
            "average": 0.4771096578,
            "count": 7348514,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4994757914,
            "variance": 0.2494760662
          },
          {
            "average": 0.004318424106,
            "count": 7348514,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06557267651,
            "variance": 0.004299775904
          },
          {
            "average": 23.64767707,
            "count": 7348514,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.53664073,
            "variance": 463.8268937
          },
          {
            "average": 0.1346660843,
            "count": 7348514,
            "maximum": 24.86400032,
            "minimum": -24,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.32404347,
            "variance": 151.8820475
          },
          {
            "average": 1.019724668,
            "count": 7348514,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.032044783,
            "variance": 1.065116435
          },
          {
            "average": 81.97922927,
            "count": 7348514,
            "maximum": 84,
            "minimum": 80,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.180463636,
            "variance": 1.393494395
          },
          {
            "average": 232131360.2,
            "count": 7348514,
            "maximum": 232132178.3,
            "minimum": 232130402.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 531.055643,
            "variance": 282020.0959
          },
          {
            "average": 1.019724668,
            "count": 7348514,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.032044783,
            "variance": 1.065116435
          },
          {
            "average": 0,
            "count": 7348514,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7348514,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1547884375,
            "count": 7348514,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3617029097,
            "variance": 0.1308289949
          },
          {
            "average": 0,
            "count": 7348514,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          695299.9903,
          2047499.98,
          -104.6896963,
          696300.0103,
          2048500,
          529.6503037
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                695299.9903103831,
                2047499.9795576122,
                -104.68969625332804
              ],
              [
                695299.9903103831,
                2048499.9995576122,
                -104.68969625332804
              ],
              [
                696300.0103103832,
                2048499.9995576122,
                529.650303746672
              ],
              [
                696300.0103103832,
                2047499.9795576122,
                529.650303746672
              ],
              [
                695299.9903103831,
                2047499.9795576122,
                -104.68969625332804
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:56:18+00:00",
        "end_time": "2019-01-21T18:26:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_695300e_2048500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_695300e_2048500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_695300e_2048500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_695300e_2048500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.15003397,
            18.50888917,
            -104.6896963,
            -67.1404674,
            18.51801563,
            529.6503037
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.15003397228104,
                  18.50898203490746,
                  -104.68969625332804
                ],
                [
                  -67.14993685361608,
                  18.518015634309585,
                  -104.68969625332804
                ],
                [
                  -67.14046740451644,
                  18.51792272249497,
                  529.650303746672
                ],
                [
                  -67.14056501958163,
                  18.508889171614403,
                  529.650303746672
                ],
                [
                  -67.15003397228104,
                  18.50898203490746,
                  -104.68969625332804
                ]
              ]
            ]
          },
          "id": "20190121_695300e_2048500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_695300e_2048500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:56:18Z",
            "pc:count": 7348514,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 695858.9497,
                "count": 7348514,
                "maximum": 696300.0103,
                "minimum": 695299.9903,
                "name": "X",
                "position": 0,
                "stddev": 286.1248495,
                "variance": 81867.4295
              },
              {
                "average": 2047920.796,
                "count": 7348514,
                "maximum": 2048500,
                "minimum": 2047499.98,
                "name": "Y",
                "position": 1,
                "stddev": 283.483962,
                "variance": 80363.15672
              },
              {
                "average": -2.096654031,
                "count": 7348514,
                "maximum": 529.6503037,
                "minimum": -104.6896963,
                "name": "Z",
                "position": 2,
                "stddev": 12.8615475,
                "variance": 165.4194042
              },
              {
                "average": 626.6073779,
                "count": 7348514,
                "maximum": 3184,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 556.1668597,
                "variance": 309321.5758
              },
              {
                "average": 1.143865141,
                "count": 7348514,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.411953013,
                "variance": 0.169705285
              },
              {
                "average": 1.288161797,
                "count": 7348514,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5874015062,
                "variance": 0.3450405295
              },
              {
                "average": 0.4771096578,
                "count": 7348514,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4994757914,
                "variance": 0.2494760662
              },
              {
                "average": 0.004318424106,
                "count": 7348514,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06557267651,
                "variance": 0.004299775904
              },
              {
                "average": 23.64767707,
                "count": 7348514,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.53664073,
                "variance": 463.8268937
              },
              {
                "average": 0.1346660843,
                "count": 7348514,
                "maximum": 24.86400032,
                "minimum": -24,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.32404347,
                "variance": 151.8820475
              },
              {
                "average": 1.019724668,
                "count": 7348514,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.032044783,
                "variance": 1.065116435
              },
              {
                "average": 81.97922927,
                "count": 7348514,
                "maximum": 84,
                "minimum": 80,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.180463636,
                "variance": 1.393494395
              },
              {
                "average": 232131360.2,
                "count": 7348514,
                "maximum": 232132178.3,
                "minimum": 232130402.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 531.055643,
                "variance": 282020.0959
              },
              {
                "average": 1.019724668,
                "count": 7348514,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.032044783,
                "variance": 1.065116435
              },
              {
                "average": 0,
                "count": 7348514,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7348514,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1547884375,
                "count": 7348514,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3617029097,
                "variance": 0.1308289949
              },
              {
                "average": 0,
                "count": 7348514,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              695299.9903,
              2047499.98,
              -104.6896963,
              696300.0103,
              2048500,
              529.6503037
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    695299.9903103831,
                    2047499.9795576122,
                    -104.68969625332804
                  ],
                  [
                    695299.9903103831,
                    2048499.9995576122,
                    -104.68969625332804
                  ],
                  [
                    696300.0103103832,
                    2048499.9995576122,
                    529.650303746672
                  ],
                  [
                    696300.0103103832,
                    2047499.9795576122,
                    529.650303746672
                  ],
                  [
                    695299.9903103831,
                    2047499.9795576122,
                    -104.68969625332804
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:56:18+00:00",
            "end_time": "2019-01-21T18:26:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_727300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.84736166060274,
              18.481865006720213,
              -112.29801769827023
            ],
            [
              -66.84728862504618,
              18.48771235502899,
              -112.29801769827023
            ],
            [
              -66.83782260332262,
              18.487604459741664,
              555.3819823017299
            ],
            [
              -66.83789595942655,
              18.481757147957428,
              555.3819823017299
            ],
            [
              -66.84736166060274,
              18.481865006720213,
              -112.29801769827023
            ]
          ]
        ]
      },
      "bbox": [
        -66.84736166,
        18.48175715,
        -112.2980177,
        -66.8378226,
        18.48771236,
        555.3819823
      ],
      "properties": {
        "datetime": "2019-01-21T20:12:30Z",
        "pc:count": 12915864,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 727818.9852,
            "count": 12915864,
            "maximum": 728300.0105,
            "minimum": 727299.9905,
            "name": "X",
            "position": 0,
            "stddev": 293.9858115,
            "variance": 86427.65736
          },
          {
            "average": 2045226.352,
            "count": 12915864,
            "maximum": 2045499.999,
            "minimum": 2044852.579,
            "name": "Y",
            "position": 1,
            "stddev": 178.9331216,
            "variance": 32017.062
          },
          {
            "average": 9.929584165,
            "count": 12915864,
            "maximum": 555.3819823,
            "minimum": -112.2980177,
            "name": "Z",
            "position": 2,
            "stddev": 13.82019031,
            "variance": 190.9976602
          },
          {
            "average": 1531.106286,
            "count": 12915864,
            "maximum": 4618,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 507.0188338,
            "variance": 257068.0978
          },
          {
            "average": 1.620246079,
            "count": 12915864,
            "maximum": 11,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.125745533,
            "variance": 1.267303004
          },
          {
            "average": 2.240805029,
            "count": 12915864,
            "maximum": 11,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.672600023,
            "variance": 2.797590838
          },
          {
            "average": 0.3451151235,
            "count": 12915864,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4754058188,
            "variance": 0.2260106925
          },
          {
            "average": 0.001494208982,
            "count": 12915864,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03862611082,
            "variance": 0.001491976437
          },
          {
            "average": 1.60141838,
            "count": 12915864,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.016842676,
            "variance": 16.13502508
          },
          {
            "average": 1.2217995,
            "count": 12915864,
            "maximum": 23.09399986,
            "minimum": -22.3560009,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.54878415,
            "variance": 183.5695518
          },
          {
            "average": 1.134937082,
            "count": 12915864,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.194361306,
            "variance": 1.426498929
          },
          {
            "average": 91.34370678,
            "count": 12915864,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7190136411,
            "variance": 0.5169806161
          },
          {
            "average": 232136361.1,
            "count": 12915864,
            "maximum": 232136750.6,
            "minimum": 232135712.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 391.3331686,
            "variance": 153141.6488
          },
          {
            "average": 1.134937082,
            "count": 12915864,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.194361306,
            "variance": 1.426498929
          },
          {
            "average": 0,
            "count": 12915864,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12915864,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1967887708,
            "count": 12915864,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3975713303,
            "variance": 0.1580629627
          },
          {
            "average": 0,
            "count": 12915864,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          727299.9905,
          2044852.579,
          -112.2980177,
          728300.0105,
          2045499.999,
          555.3819823
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                727299.9904843338,
                2044852.5791441742,
                -112.29801769827023
              ],
              [
                727299.9904843338,
                2045499.9991441742,
                -112.29801769827023
              ],
              [
                728300.0104843338,
                2045499.9991441742,
                555.3819823017299
              ],
              [
                728300.0104843338,
                2044852.5791441742,
                555.3819823017299
              ],
              [
                727299.9904843338,
                2044852.5791441742,
                -112.29801769827023
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:12:30+00:00",
        "end_time": "2019-01-21T19:55:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_727300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_727300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_727300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_727300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.84736166,
            18.48175715,
            -112.2980177,
            -66.8378226,
            18.48771236,
            555.3819823
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.84736166060274,
                  18.481865006720213,
                  -112.29801769827023
                ],
                [
                  -66.84728862504618,
                  18.48771235502899,
                  -112.29801769827023
                ],
                [
                  -66.83782260332262,
                  18.487604459741664,
                  555.3819823017299
                ],
                [
                  -66.83789595942655,
                  18.481757147957428,
                  555.3819823017299
                ],
                [
                  -66.84736166060274,
                  18.481865006720213,
                  -112.29801769827023
                ]
              ]
            ]
          },
          "id": "20190121_727300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_727300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:12:30Z",
            "pc:count": 12915864,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 727818.9852,
                "count": 12915864,
                "maximum": 728300.0105,
                "minimum": 727299.9905,
                "name": "X",
                "position": 0,
                "stddev": 293.9858115,
                "variance": 86427.65736
              },
              {
                "average": 2045226.352,
                "count": 12915864,
                "maximum": 2045499.999,
                "minimum": 2044852.579,
                "name": "Y",
                "position": 1,
                "stddev": 178.9331216,
                "variance": 32017.062
              },
              {
                "average": 9.929584165,
                "count": 12915864,
                "maximum": 555.3819823,
                "minimum": -112.2980177,
                "name": "Z",
                "position": 2,
                "stddev": 13.82019031,
                "variance": 190.9976602
              },
              {
                "average": 1531.106286,
                "count": 12915864,
                "maximum": 4618,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 507.0188338,
                "variance": 257068.0978
              },
              {
                "average": 1.620246079,
                "count": 12915864,
                "maximum": 11,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.125745533,
                "variance": 1.267303004
              },
              {
                "average": 2.240805029,
                "count": 12915864,
                "maximum": 11,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.672600023,
                "variance": 2.797590838
              },
              {
                "average": 0.3451151235,
                "count": 12915864,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4754058188,
                "variance": 0.2260106925
              },
              {
                "average": 0.001494208982,
                "count": 12915864,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03862611082,
                "variance": 0.001491976437
              },
              {
                "average": 1.60141838,
                "count": 12915864,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.016842676,
                "variance": 16.13502508
              },
              {
                "average": 1.2217995,
                "count": 12915864,
                "maximum": 23.09399986,
                "minimum": -22.3560009,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.54878415,
                "variance": 183.5695518
              },
              {
                "average": 1.134937082,
                "count": 12915864,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.194361306,
                "variance": 1.426498929
              },
              {
                "average": 91.34370678,
                "count": 12915864,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7190136411,
                "variance": 0.5169806161
              },
              {
                "average": 232136361.1,
                "count": 12915864,
                "maximum": 232136750.6,
                "minimum": 232135712.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 391.3331686,
                "variance": 153141.6488
              },
              {
                "average": 1.134937082,
                "count": 12915864,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.194361306,
                "variance": 1.426498929
              },
              {
                "average": 0,
                "count": 12915864,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12915864,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1967887708,
                "count": 12915864,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3975713303,
                "variance": 0.1580629627
              },
              {
                "average": 0,
                "count": 12915864,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              727299.9905,
              2044852.579,
              -112.2980177,
              728300.0105,
              2045499.999,
              555.3819823
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    727299.9904843338,
                    2044852.5791441742,
                    -112.29801769827023
                  ],
                  [
                    727299.9904843338,
                    2045499.9991441742,
                    -112.29801769827023
                  ],
                  [
                    728300.0104843338,
                    2045499.9991441742,
                    555.3819823017299
                  ],
                  [
                    728300.0104843338,
                    2044852.5791441742,
                    555.3819823017299
                  ],
                  [
                    727299.9904843338,
                    2044852.5791441742,
                    -112.29801769827023
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:12:30+00:00",
            "end_time": "2019-01-21T19:55:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_720300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.91366059195583,
              18.479422036674553,
              -125.29902366885685
            ],
            [
              -66.91355125688568,
              18.48845437658133,
              -125.29902366885685
            ],
            [
              -66.9040847860246,
              18.488349789600985,
              585.1409763311432
            ],
            [
              -66.90419461627792,
              18.479317504380475,
              585.1409763311432
            ],
            [
              -66.91366059195583,
              18.479422036674553,
              -125.29902366885685
            ]
          ]
        ]
      },
      "bbox": [
        -66.91366059,
        18.4793175,
        -125.2990237,
        -66.90408479,
        18.48845438,
        585.1409763
      ],
      "properties": {
        "datetime": "2019-01-21T20:25:26Z",
        "pc:count": 21951841,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 720806.2881,
            "count": 21951841,
            "maximum": 721300.0104,
            "minimum": 720299.9904,
            "name": "X",
            "position": 0,
            "stddev": 285.2498825,
            "variance": 81367.49548
          },
          {
            "average": 2044953.834,
            "count": 21951841,
            "maximum": 2045499.999,
            "minimum": 2044499.979,
            "name": "Y",
            "position": 1,
            "stddev": 252.7387816,
            "variance": 63876.89173
          },
          {
            "average": 22.59917566,
            "count": 21951841,
            "maximum": 585.1409763,
            "minimum": -125.2990237,
            "name": "Z",
            "position": 2,
            "stddev": 26.96074867,
            "variance": 726.8819688
          },
          {
            "average": 1063.538846,
            "count": 21951841,
            "maximum": 3974,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 643.0551551,
            "variance": 413519.9325
          },
          {
            "average": 1.755967529,
            "count": 21951841,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.144090867,
            "variance": 1.308943912
          },
          {
            "average": 2.512329968,
            "count": 21951841,
            "maximum": 9,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.61241201,
            "variance": 2.599872491
          },
          {
            "average": 0.3982752517,
            "count": 21951841,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4895427321,
            "variance": 0.2396520865
          },
          {
            "average": 0.001509212826,
            "count": 21951841,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03881926289,
            "variance": 0.001506935172
          },
          {
            "average": 12.41088936,
            "count": 21951841,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 18.76667435,
            "variance": 352.1880662
          },
          {
            "average": -1.682164129,
            "count": 21951841,
            "maximum": 24.05999947,
            "minimum": -24.2159996,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.00415226,
            "variance": 169.107976
          },
          {
            "average": 0.9704582408,
            "count": 21951841,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.083067396,
            "variance": 1.173034984
          },
          {
            "average": 93.19495645,
            "count": 21951841,
            "maximum": 95,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.470426784,
            "variance": 2.162154928
          },
          {
            "average": 232136976.1,
            "count": 21951841,
            "maximum": 232137526.7,
            "minimum": 232135608.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 479.1286904,
            "variance": 229564.3019
          },
          {
            "average": 0.9704581953,
            "count": 21951841,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.083067416,
            "variance": 1.173035027
          },
          {
            "average": 0,
            "count": 21951841,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21951841,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.173064619,
            "count": 21951841,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3783031366,
            "variance": 0.1431132632
          },
          {
            "average": 0,
            "count": 21951841,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          720299.9904,
          2044499.979,
          -125.2990237,
          721300.0104,
          2045499.999,
          585.1409763
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                720299.9904300848,
                2044499.9793929725,
                -125.29902366885685
              ],
              [
                720299.9904300848,
                2045499.9993929726,
                -125.29902366885685
              ],
              [
                721300.0104300848,
                2045499.9993929726,
                585.1409763311432
              ],
              [
                721300.0104300848,
                2044499.9793929725,
                585.1409763311432
              ],
              [
                720299.9904300848,
                2044499.9793929725,
                -125.29902366885685
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:25:26+00:00",
        "end_time": "2019-01-21T19:53:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_720300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_720300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_720300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.91366059,
            18.4793175,
            -125.2990237,
            -66.90408479,
            18.48845438,
            585.1409763
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.91366059195583,
                  18.479422036674553,
                  -125.29902366885685
                ],
                [
                  -66.91355125688568,
                  18.48845437658133,
                  -125.29902366885685
                ],
                [
                  -66.9040847860246,
                  18.488349789600985,
                  585.1409763311432
                ],
                [
                  -66.90419461627792,
                  18.479317504380475,
                  585.1409763311432
                ],
                [
                  -66.91366059195583,
                  18.479422036674553,
                  -125.29902366885685
                ]
              ]
            ]
          },
          "id": "20190121_720300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_720300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:25:26Z",
            "pc:count": 21951841,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 720806.2881,
                "count": 21951841,
                "maximum": 721300.0104,
                "minimum": 720299.9904,
                "name": "X",
                "position": 0,
                "stddev": 285.2498825,
                "variance": 81367.49548
              },
              {
                "average": 2044953.834,
                "count": 21951841,
                "maximum": 2045499.999,
                "minimum": 2044499.979,
                "name": "Y",
                "position": 1,
                "stddev": 252.7387816,
                "variance": 63876.89173
              },
              {
                "average": 22.59917566,
                "count": 21951841,
                "maximum": 585.1409763,
                "minimum": -125.2990237,
                "name": "Z",
                "position": 2,
                "stddev": 26.96074867,
                "variance": 726.8819688
              },
              {
                "average": 1063.538846,
                "count": 21951841,
                "maximum": 3974,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 643.0551551,
                "variance": 413519.9325
              },
              {
                "average": 1.755967529,
                "count": 21951841,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.144090867,
                "variance": 1.308943912
              },
              {
                "average": 2.512329968,
                "count": 21951841,
                "maximum": 9,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.61241201,
                "variance": 2.599872491
              },
              {
                "average": 0.3982752517,
                "count": 21951841,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4895427321,
                "variance": 0.2396520865
              },
              {
                "average": 0.001509212826,
                "count": 21951841,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03881926289,
                "variance": 0.001506935172
              },
              {
                "average": 12.41088936,
                "count": 21951841,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 18.76667435,
                "variance": 352.1880662
              },
              {
                "average": -1.682164129,
                "count": 21951841,
                "maximum": 24.05999947,
                "minimum": -24.2159996,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.00415226,
                "variance": 169.107976
              },
              {
                "average": 0.9704582408,
                "count": 21951841,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.083067396,
                "variance": 1.173034984
              },
              {
                "average": 93.19495645,
                "count": 21951841,
                "maximum": 95,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.470426784,
                "variance": 2.162154928
              },
              {
                "average": 232136976.1,
                "count": 21951841,
                "maximum": 232137526.7,
                "minimum": 232135608.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 479.1286904,
                "variance": 229564.3019
              },
              {
                "average": 0.9704581953,
                "count": 21951841,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.083067416,
                "variance": 1.173035027
              },
              {
                "average": 0,
                "count": 21951841,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21951841,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.173064619,
                "count": 21951841,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3783031366,
                "variance": 0.1431132632
              },
              {
                "average": 0,
                "count": 21951841,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              720299.9904,
              2044499.979,
              -125.2990237,
              721300.0104,
              2045499.999,
              585.1409763
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    720299.9904300848,
                    2044499.9793929725,
                    -125.29902366885685
                  ],
                  [
                    720299.9904300848,
                    2045499.9993929726,
                    -125.29902366885685
                  ],
                  [
                    721300.0104300848,
                    2045499.9993929726,
                    585.1409763311432
                  ],
                  [
                    721300.0104300848,
                    2044499.9793929725,
                    585.1409763311432
                  ],
                  [
                    720299.9904300848,
                    2044499.9793929725,
                    -125.29902366885685
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:25:26+00:00",
            "end_time": "2019-01-21T19:53:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_691300e_2039500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.18876329839254,
              18.42804584411867,
              -95.07406776544872
            ],
            [
              -67.18866865787992,
              18.437079716788443,
              -95.07406776544872
            ],
            [
              -67.17920344450478,
              18.43698912759331,
              492.32593223455126
            ],
            [
              -67.1792985789024,
              18.427955302412457,
              492.32593223455126
            ],
            [
              -67.18876329839254,
              18.42804584411867,
              -95.07406776544872
            ]
          ]
        ]
      },
      "bbox": [
        -67.1887633,
        18.4279553,
        -95.07406777,
        -67.17920344,
        18.43707972,
        492.3259322
      ],
      "properties": {
        "datetime": "2019-01-26T12:59:53Z",
        "pc:count": 26553475,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 691804.1186,
            "count": 26553475,
            "maximum": 692300.0103,
            "minimum": 691299.9903,
            "name": "X",
            "position": 0,
            "stddev": 287.0443055,
            "variance": 82394.43332
          },
          {
            "average": 2039016.353,
            "count": 26553475,
            "maximum": 2039500,
            "minimum": 2038499.98,
            "name": "Y",
            "position": 1,
            "stddev": 284.7578518,
            "variance": 81087.03417
          },
          {
            "average": -0.374601099,
            "count": 26553475,
            "maximum": 492.3259322,
            "minimum": -95.07406777,
            "name": "Z",
            "position": 2,
            "stddev": 6.735859869,
            "variance": 45.37180817
          },
          {
            "average": 233.3827868,
            "count": 26553475,
            "maximum": 3510,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 340.2936576,
            "variance": 115799.7734
          },
          {
            "average": 1.9297298,
            "count": 26553475,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.074735844,
            "variance": 1.155057134
          },
          {
            "average": 2.859718888,
            "count": 26553475,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.292654284,
            "variance": 1.670955097
          },
          {
            "average": 0.5398892612,
            "count": 26553475,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4984063164,
            "variance": 0.2484088562
          },
          {
            "average": 0.001361780332,
            "count": 26553475,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03687717366,
            "variance": 0.001359925937
          },
          {
            "average": 31.06101296,
            "count": 26553475,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.31595127,
            "variance": 412.7378761
          },
          {
            "average": 0.3863400961,
            "count": 26553475,
            "maximum": 20.61599922,
            "minimum": -21.58799934,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.83199726,
            "variance": 191.3241481
          },
          {
            "average": 0.7301192782,
            "count": 26553475,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7599376116,
            "variance": 0.5775051735
          },
          {
            "average": 103.1586897,
            "count": 26553475,
            "maximum": 106,
            "minimum": 101,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.174324484,
            "variance": 1.379037994
          },
          {
            "average": 232541465,
            "count": 26553475,
            "maximum": 232542793,
            "minimum": 232540631.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 451.4991651,
            "variance": 203851.4961
          },
          {
            "average": 0.7301192782,
            "count": 26553475,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7599376116,
            "variance": 0.5775051735
          },
          {
            "average": 0,
            "count": 26553475,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26553475,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2651283872,
            "count": 26553475,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4414015551,
            "variance": 0.1948353328
          },
          {
            "average": 0,
            "count": 26553475,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          691299.9903,
          2038499.98,
          -95.07406777,
          692300.0103,
          2039500,
          492.3259322
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                691299.9903122648,
                2038499.9795528876,
                -95.07406776544872
              ],
              [
                691299.9903122648,
                2039499.9995528876,
                -95.07406776544872
              ],
              [
                692300.0103122648,
                2039499.9995528876,
                492.32593223455126
              ],
              [
                692300.0103122648,
                2038499.9795528876,
                492.32593223455126
              ],
              [
                691299.9903122648,
                2038499.9795528876,
                -95.07406776544872
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-26T12:59:53+00:00",
        "end_time": "2019-01-26T12:23:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_691300e_2039500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_691300e_2039500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_691300e_2039500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2039500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.1887633,
            18.4279553,
            -95.07406777,
            -67.17920344,
            18.43707972,
            492.3259322
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.18876329839254,
                  18.42804584411867,
                  -95.07406776544872
                ],
                [
                  -67.18866865787992,
                  18.437079716788443,
                  -95.07406776544872
                ],
                [
                  -67.17920344450478,
                  18.43698912759331,
                  492.32593223455126
                ],
                [
                  -67.1792985789024,
                  18.427955302412457,
                  492.32593223455126
                ],
                [
                  -67.18876329839254,
                  18.42804584411867,
                  -95.07406776544872
                ]
              ]
            ]
          },
          "id": "20190126_691300e_2039500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_691300e_2039500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-26T12:59:53Z",
            "pc:count": 26553475,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 691804.1186,
                "count": 26553475,
                "maximum": 692300.0103,
                "minimum": 691299.9903,
                "name": "X",
                "position": 0,
                "stddev": 287.0443055,
                "variance": 82394.43332
              },
              {
                "average": 2039016.353,
                "count": 26553475,
                "maximum": 2039500,
                "minimum": 2038499.98,
                "name": "Y",
                "position": 1,
                "stddev": 284.7578518,
                "variance": 81087.03417
              },
              {
                "average": -0.374601099,
                "count": 26553475,
                "maximum": 492.3259322,
                "minimum": -95.07406777,
                "name": "Z",
                "position": 2,
                "stddev": 6.735859869,
                "variance": 45.37180817
              },
              {
                "average": 233.3827868,
                "count": 26553475,
                "maximum": 3510,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 340.2936576,
                "variance": 115799.7734
              },
              {
                "average": 1.9297298,
                "count": 26553475,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.074735844,
                "variance": 1.155057134
              },
              {
                "average": 2.859718888,
                "count": 26553475,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.292654284,
                "variance": 1.670955097
              },
              {
                "average": 0.5398892612,
                "count": 26553475,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4984063164,
                "variance": 0.2484088562
              },
              {
                "average": 0.001361780332,
                "count": 26553475,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03687717366,
                "variance": 0.001359925937
              },
              {
                "average": 31.06101296,
                "count": 26553475,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.31595127,
                "variance": 412.7378761
              },
              {
                "average": 0.3863400961,
                "count": 26553475,
                "maximum": 20.61599922,
                "minimum": -21.58799934,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.83199726,
                "variance": 191.3241481
              },
              {
                "average": 0.7301192782,
                "count": 26553475,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7599376116,
                "variance": 0.5775051735
              },
              {
                "average": 103.1586897,
                "count": 26553475,
                "maximum": 106,
                "minimum": 101,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.174324484,
                "variance": 1.379037994
              },
              {
                "average": 232541465,
                "count": 26553475,
                "maximum": 232542793,
                "minimum": 232540631.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 451.4991651,
                "variance": 203851.4961
              },
              {
                "average": 0.7301192782,
                "count": 26553475,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7599376116,
                "variance": 0.5775051735
              },
              {
                "average": 0,
                "count": 26553475,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26553475,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2651283872,
                "count": 26553475,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4414015551,
                "variance": 0.1948353328
              },
              {
                "average": 0,
                "count": 26553475,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              691299.9903,
              2038499.98,
              -95.07406777,
              692300.0103,
              2039500,
              492.3259322
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    691299.9903122648,
                    2038499.9795528876,
                    -95.07406776544872
                  ],
                  [
                    691299.9903122648,
                    2039499.9995528876,
                    -95.07406776544872
                  ],
                  [
                    692300.0103122648,
                    2039499.9995528876,
                    492.32593223455126
                  ],
                  [
                    692300.0103122648,
                    2038499.9795528876,
                    492.32593223455126
                  ],
                  [
                    691299.9903122648,
                    2038499.9795528876,
                    -95.07406776544872
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-26T12:59:53+00:00",
            "end_time": "2019-01-26T12:23:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_721300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.90419480657724,
              18.479317508588682,
              -136.3881052600849
            ],
            [
              -66.90408497633385,
              18.48834979381029,
              -136.3881052600849
            ],
            [
              -66.89461856877938,
              18.48824473417311,
              586.2918947399152
            ],
            [
              -66.89472889419062,
              18.479212503884856,
              586.2918947399152
            ],
            [
              -66.90419480657724,
              18.479317508588682,
              -136.3881052600849
            ]
          ]
        ]
      },
      "bbox": [
        -66.90419481,
        18.4792125,
        -136.3881053,
        -66.89461857,
        18.48834979,
        586.2918947
      ],
      "properties": {
        "datetime": "2019-01-21T20:25:41Z",
        "pc:count": 23045722,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 721766.8253,
            "count": 23045722,
            "maximum": 722300.0103,
            "minimum": 721299.9903,
            "name": "X",
            "position": 0,
            "stddev": 290.4612449,
            "variance": 84367.73479
          },
          {
            "average": 2044978.276,
            "count": 23045722,
            "maximum": 2045500,
            "minimum": 2044499.98,
            "name": "Y",
            "position": 1,
            "stddev": 267.3419372,
            "variance": 71471.71139
          },
          {
            "average": 17.15037735,
            "count": 23045722,
            "maximum": 586.2918947,
            "minimum": -136.3881053,
            "name": "Z",
            "position": 2,
            "stddev": 20.9141607,
            "variance": 437.402118
          },
          {
            "average": 1103.462528,
            "count": 23045722,
            "maximum": 3459,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 651.2003455,
            "variance": 424061.89
          },
          {
            "average": 1.7577448,
            "count": 23045722,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.142449916,
            "variance": 1.30519181
          },
          {
            "average": 2.516021021,
            "count": 23045722,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.607733637,
            "variance": 2.584807448
          },
          {
            "average": 0.3883127203,
            "count": 23045722,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4873663528,
            "variance": 0.2375259618
          },
          {
            "average": 0.001429202348,
            "count": 23045722,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03777776847,
            "variance": 0.001427159791
          },
          {
            "average": 11.33651625,
            "count": 23045722,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 18.11582227,
            "variance": 328.1830165
          },
          {
            "average": -2.969075285,
            "count": 23045722,
            "maximum": 23.32799911,
            "minimum": -26.54400063,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.09487647,
            "variance": 171.4757896
          },
          {
            "average": 0.974134028,
            "count": 23045722,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.094001641,
            "variance": 1.196839591
          },
          {
            "average": 93.05760687,
            "count": 23045722,
            "maximum": 95,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.550307393,
            "variance": 2.403453013
          },
          {
            "average": 232136924.7,
            "count": 23045722,
            "maximum": 232137541.2,
            "minimum": 232135623.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 519.0165814,
            "variance": 269378.2117
          },
          {
            "average": 0.974134028,
            "count": 23045722,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.094001641,
            "variance": 1.196839591
          },
          {
            "average": 0,
            "count": 23045722,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 23045722,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2326574971,
            "count": 23045722,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4225257316,
            "variance": 0.1785279939
          },
          {
            "average": 0,
            "count": 23045722,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          721299.9903,
          2044499.98,
          -136.3881053,
          722300.0103,
          2045500,
          586.2918947
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                721299.9903234085,
                2044499.9796256644,
                -136.3881052600849
              ],
              [
                721299.9903234085,
                2045499.9996256644,
                -136.3881052600849
              ],
              [
                722300.0103234085,
                2045499.9996256644,
                586.2918947399152
              ],
              [
                722300.0103234085,
                2044499.9796256644,
                586.2918947399152
              ],
              [
                721299.9903234085,
                2044499.9796256644,
                -136.3881052600849
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:25:41+00:00",
        "end_time": "2019-01-21T19:53:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_721300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_721300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_721300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.90419481,
            18.4792125,
            -136.3881053,
            -66.89461857,
            18.48834979,
            586.2918947
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.90419480657724,
                  18.479317508588682,
                  -136.3881052600849
                ],
                [
                  -66.90408497633385,
                  18.48834979381029,
                  -136.3881052600849
                ],
                [
                  -66.89461856877938,
                  18.48824473417311,
                  586.2918947399152
                ],
                [
                  -66.89472889419062,
                  18.479212503884856,
                  586.2918947399152
                ],
                [
                  -66.90419480657724,
                  18.479317508588682,
                  -136.3881052600849
                ]
              ]
            ]
          },
          "id": "20190121_721300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_721300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:25:41Z",
            "pc:count": 23045722,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 721766.8253,
                "count": 23045722,
                "maximum": 722300.0103,
                "minimum": 721299.9903,
                "name": "X",
                "position": 0,
                "stddev": 290.4612449,
                "variance": 84367.73479
              },
              {
                "average": 2044978.276,
                "count": 23045722,
                "maximum": 2045500,
                "minimum": 2044499.98,
                "name": "Y",
                "position": 1,
                "stddev": 267.3419372,
                "variance": 71471.71139
              },
              {
                "average": 17.15037735,
                "count": 23045722,
                "maximum": 586.2918947,
                "minimum": -136.3881053,
                "name": "Z",
                "position": 2,
                "stddev": 20.9141607,
                "variance": 437.402118
              },
              {
                "average": 1103.462528,
                "count": 23045722,
                "maximum": 3459,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 651.2003455,
                "variance": 424061.89
              },
              {
                "average": 1.7577448,
                "count": 23045722,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.142449916,
                "variance": 1.30519181
              },
              {
                "average": 2.516021021,
                "count": 23045722,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.607733637,
                "variance": 2.584807448
              },
              {
                "average": 0.3883127203,
                "count": 23045722,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4873663528,
                "variance": 0.2375259618
              },
              {
                "average": 0.001429202348,
                "count": 23045722,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03777776847,
                "variance": 0.001427159791
              },
              {
                "average": 11.33651625,
                "count": 23045722,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 18.11582227,
                "variance": 328.1830165
              },
              {
                "average": -2.969075285,
                "count": 23045722,
                "maximum": 23.32799911,
                "minimum": -26.54400063,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.09487647,
                "variance": 171.4757896
              },
              {
                "average": 0.974134028,
                "count": 23045722,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.094001641,
                "variance": 1.196839591
              },
              {
                "average": 93.05760687,
                "count": 23045722,
                "maximum": 95,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.550307393,
                "variance": 2.403453013
              },
              {
                "average": 232136924.7,
                "count": 23045722,
                "maximum": 232137541.2,
                "minimum": 232135623.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 519.0165814,
                "variance": 269378.2117
              },
              {
                "average": 0.974134028,
                "count": 23045722,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.094001641,
                "variance": 1.196839591
              },
              {
                "average": 0,
                "count": 23045722,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 23045722,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2326574971,
                "count": 23045722,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4225257316,
                "variance": 0.1785279939
              },
              {
                "average": 0,
                "count": 23045722,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              721299.9903,
              2044499.98,
              -136.3881053,
              722300.0103,
              2045500,
              586.2918947
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    721299.9903234085,
                    2044499.9796256644,
                    -136.3881052600849
                  ],
                  [
                    721299.9903234085,
                    2045499.9996256644,
                    -136.3881052600849
                  ],
                  [
                    722300.0103234085,
                    2045499.9996256644,
                    586.2918947399152
                  ],
                  [
                    722300.0103234085,
                    2044499.9796256644,
                    586.2918947399152
                  ],
                  [
                    721299.9903234085,
                    2044499.9796256644,
                    -136.3881052600849
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:25:41+00:00",
            "end_time": "2019-01-21T19:53:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_692300e_2039500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.1792987686032,
              18.427955305052315,
              -101.42872479141116
            ],
            [
              -67.17920363421548,
              18.436989130234124,
              -101.42872479141116
            ],
            [
              -67.16973847578998,
              18.436898069493367,
              548.4112752085889
            ],
            [
              -67.16983410404949,
              18.42786429204762,
              548.4112752085889
            ],
            [
              -67.1792987686032,
              18.427955305052315,
              -101.42872479141116
            ]
          ]
        ]
      },
      "bbox": [
        -67.17929877,
        18.42786429,
        -101.4287248,
        -67.16973848,
        18.43698913,
        548.4112752
      ],
      "properties": {
        "datetime": "2019-01-27T14:23:15Z",
        "pc:count": 24350691,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 692744.1082,
            "count": 24350691,
            "maximum": 693300.0103,
            "minimum": 692299.9903,
            "name": "X",
            "position": 0,
            "stddev": 271.6642372,
            "variance": 73801.45779
          },
          {
            "average": 2039030.024,
            "count": 24350691,
            "maximum": 2039500,
            "minimum": 2038499.98,
            "name": "Y",
            "position": 1,
            "stddev": 288.6861251,
            "variance": 83339.67883
          },
          {
            "average": -0.4302424038,
            "count": 24350691,
            "maximum": 548.4112752,
            "minimum": -101.4287248,
            "name": "Z",
            "position": 2,
            "stddev": 6.658496805,
            "variance": 44.3355797
          },
          {
            "average": 211.6175712,
            "count": 24350691,
            "maximum": 3595,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 325.7760521,
            "variance": 106130.0361
          },
          {
            "average": 2.004816701,
            "count": 24350691,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.145792861,
            "variance": 1.312841281
          },
          {
            "average": 3.009926659,
            "count": 24350691,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.387062309,
            "variance": 1.923941848
          },
          {
            "average": 0.5739361154,
            "count": 24350691,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4945032466,
            "variance": 0.2445334609
          },
          {
            "average": 0.00148529666,
            "count": 24350691,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03851091552,
            "variance": 0.001483090614
          },
          {
            "average": 32.14402684,
            "count": 24350691,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.83136185,
            "variance": 393.2829129
          },
          {
            "average": -2.81638211,
            "count": 24350691,
            "maximum": 20.60400009,
            "minimum": -21.62400055,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.5344981,
            "variance": 183.1826388
          },
          {
            "average": 0.7360863805,
            "count": 24350691,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.7201137218,
            "variance": 0.5185637724
          },
          {
            "average": 106.5721043,
            "count": 24350691,
            "maximum": 109,
            "minimum": 104,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.074453098,
            "variance": 1.15444946
          },
          {
            "average": 232545593.6,
            "count": 24350691,
            "maximum": 232634195.9,
            "minimum": 232541780.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 15321.7327,
            "variance": 234755493
          },
          {
            "average": 0.7360863805,
            "count": 24350691,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7201137218,
            "variance": 0.5185637724
          },
          {
            "average": 0,
            "count": 24350691,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24350691,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2658975057,
            "count": 24350691,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4418099481,
            "variance": 0.1951960302
          },
          {
            "average": 0,
            "count": 24350691,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          692299.9903,
          2038499.98,
          -101.4287248,
          693300.0103,
          2039500,
          548.4112752
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                692299.9902679538,
                2038499.9796436953,
                -101.42872479141116
              ],
              [
                692299.9902679538,
                2039499.9996436953,
                -101.42872479141116
              ],
              [
                693300.0102679539,
                2039499.9996436953,
                548.4112752085889
              ],
              [
                693300.0102679539,
                2038499.9796436953,
                548.4112752085889
              ],
              [
                692299.9902679538,
                2038499.9796436953,
                -101.42872479141116
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:23:15+00:00",
        "end_time": "2019-01-26T12:43:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_692300e_2039500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_692300e_2039500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_692300e_2039500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2039500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.17929877,
            18.42786429,
            -101.4287248,
            -67.16973848,
            18.43698913,
            548.4112752
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.1792987686032,
                  18.427955305052315,
                  -101.42872479141116
                ],
                [
                  -67.17920363421548,
                  18.436989130234124,
                  -101.42872479141116
                ],
                [
                  -67.16973847578998,
                  18.436898069493367,
                  548.4112752085889
                ],
                [
                  -67.16983410404949,
                  18.42786429204762,
                  548.4112752085889
                ],
                [
                  -67.1792987686032,
                  18.427955305052315,
                  -101.42872479141116
                ]
              ]
            ]
          },
          "id": "20190126_692300e_2039500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_692300e_2039500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:23:15Z",
            "pc:count": 24350691,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 692744.1082,
                "count": 24350691,
                "maximum": 693300.0103,
                "minimum": 692299.9903,
                "name": "X",
                "position": 0,
                "stddev": 271.6642372,
                "variance": 73801.45779
              },
              {
                "average": 2039030.024,
                "count": 24350691,
                "maximum": 2039500,
                "minimum": 2038499.98,
                "name": "Y",
                "position": 1,
                "stddev": 288.6861251,
                "variance": 83339.67883
              },
              {
                "average": -0.4302424038,
                "count": 24350691,
                "maximum": 548.4112752,
                "minimum": -101.4287248,
                "name": "Z",
                "position": 2,
                "stddev": 6.658496805,
                "variance": 44.3355797
              },
              {
                "average": 211.6175712,
                "count": 24350691,
                "maximum": 3595,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 325.7760521,
                "variance": 106130.0361
              },
              {
                "average": 2.004816701,
                "count": 24350691,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.145792861,
                "variance": 1.312841281
              },
              {
                "average": 3.009926659,
                "count": 24350691,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.387062309,
                "variance": 1.923941848
              },
              {
                "average": 0.5739361154,
                "count": 24350691,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4945032466,
                "variance": 0.2445334609
              },
              {
                "average": 0.00148529666,
                "count": 24350691,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03851091552,
                "variance": 0.001483090614
              },
              {
                "average": 32.14402684,
                "count": 24350691,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.83136185,
                "variance": 393.2829129
              },
              {
                "average": -2.81638211,
                "count": 24350691,
                "maximum": 20.60400009,
                "minimum": -21.62400055,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.5344981,
                "variance": 183.1826388
              },
              {
                "average": 0.7360863805,
                "count": 24350691,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.7201137218,
                "variance": 0.5185637724
              },
              {
                "average": 106.5721043,
                "count": 24350691,
                "maximum": 109,
                "minimum": 104,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.074453098,
                "variance": 1.15444946
              },
              {
                "average": 232545593.6,
                "count": 24350691,
                "maximum": 232634195.9,
                "minimum": 232541780.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 15321.7327,
                "variance": 234755493
              },
              {
                "average": 0.7360863805,
                "count": 24350691,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7201137218,
                "variance": 0.5185637724
              },
              {
                "average": 0,
                "count": 24350691,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24350691,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2658975057,
                "count": 24350691,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4418099481,
                "variance": 0.1951960302
              },
              {
                "average": 0,
                "count": 24350691,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              692299.9903,
              2038499.98,
              -101.4287248,
              693300.0103,
              2039500,
              548.4112752
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    692299.9902679538,
                    2038499.9796436953,
                    -101.42872479141116
                  ],
                  [
                    692299.9902679538,
                    2039499.9996436953,
                    -101.42872479141116
                  ],
                  [
                    693300.0102679539,
                    2039499.9996436953,
                    548.4112752085889
                  ],
                  [
                    693300.0102679539,
                    2038499.9796436953,
                    548.4112752085889
                  ],
                  [
                    692299.9902679538,
                    2038499.9796436953,
                    -101.42872479141116
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:23:15+00:00",
            "end_time": "2019-01-26T12:43:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_700300e_2050500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.09755144017451,
              18.526529676359015,
              -72.66576287837965
            ],
            [
              -67.09754004822216,
              18.527559272915948,
              -72.66576287837965
            ],
            [
              -67.09301040089181,
              18.527513611798366,
              218.27423712162033
            ],
            [
              -67.09302181992773,
              18.526484017958147,
              218.27423712162033
            ],
            [
              -67.09755144017451,
              18.526529676359015,
              -72.66576287837965
            ]
          ]
        ]
      },
      "bbox": [
        -67.09755144,
        18.52648402,
        -72.66576288,
        -67.0930104,
        18.52755927,
        218.2742371
      ],
      "properties": {
        "datetime": "2019-01-21T18:03:21Z",
        "pc:count": 174078,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 701134.8987,
            "count": 174078,
            "maximum": 701300.0086,
            "minimum": 700821.6686,
            "name": "X",
            "position": 0,
            "stddev": 109.5901449,
            "variance": 12009.99986
          },
          {
            "average": 2049558.72,
            "count": 174078,
            "maximum": 2049613.961,
            "minimum": 2049499.981,
            "name": "Y",
            "position": 1,
            "stddev": 30.92757065,
            "variance": 956.5146261
          },
          {
            "average": -0.07664742439,
            "count": 174078,
            "maximum": 218.2742371,
            "minimum": -72.66576288,
            "name": "Z",
            "position": 2,
            "stddev": 1.311357358,
            "variance": 1.71965812
          },
          {
            "average": 594.2227565,
            "count": 174078,
            "maximum": 2830,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 561.3685002,
            "variance": 315134.593
          },
          {
            "average": 1.071812636,
            "count": 174078,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2743799001,
            "variance": 0.07528432958
          },
          {
            "average": 1.143217408,
            "count": 174078,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3853719759,
            "variance": 0.1485115598
          },
          {
            "average": 0.457277772,
            "count": 174078,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4981728986,
            "variance": 0.2481762369
          },
          {
            "average": 0.007852801618,
            "count": 174078,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08826766045,
            "variance": 0.007791179881
          },
          {
            "average": 25.44087133,
            "count": 174078,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.80978995,
            "variance": 433.0473577
          },
          {
            "average": -15.75262429,
            "count": 174078,
            "maximum": -7.998000145,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.644288084,
            "variance": 13.28083564
          },
          {
            "average": 0.9464895047,
            "count": 174078,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.014434078,
            "variance": 1.029076499
          },
          {
            "average": 76,
            "count": 174078,
            "maximum": 76,
            "minimum": 76,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232128997.4,
            "count": 174078,
            "maximum": 232129001.9,
            "minimum": 232128994.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.656291572,
            "variance": 2.743301772
          },
          {
            "average": 0.9464895047,
            "count": 174078,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.014434078,
            "variance": 1.029076499
          },
          {
            "average": 0,
            "count": 174078,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 174078,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.4114190191,
            "count": 174078,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4920922687,
            "variance": 0.2421548009
          },
          {
            "average": 0,
            "count": 174078,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          700821.6686,
          2049499.981,
          -72.66576288,
          701300.0086,
          2049613.961,
          218.2742371
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                700821.6686497082,
                2049499.9813800098,
                -72.66576287837965
              ],
              [
                700821.6686497082,
                2049613.9613800098,
                -72.66576287837965
              ],
              [
                701300.0086497082,
                2049613.9613800098,
                218.27423712162033
              ],
              [
                701300.0086497082,
                2049499.9813800098,
                218.27423712162033
              ],
              [
                700821.6686497082,
                2049499.9813800098,
                -72.66576287837965
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:03:21+00:00",
        "end_time": "2019-01-21T18:03:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_700300e_2050500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_700300e_2050500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_700300e_2050500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_700300e_2050500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.09755144,
            18.52648402,
            -72.66576288,
            -67.0930104,
            18.52755927,
            218.2742371
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.09755144017451,
                  18.526529676359015,
                  -72.66576287837965
                ],
                [
                  -67.09754004822216,
                  18.527559272915948,
                  -72.66576287837965
                ],
                [
                  -67.09301040089181,
                  18.527513611798366,
                  218.27423712162033
                ],
                [
                  -67.09302181992773,
                  18.526484017958147,
                  218.27423712162033
                ],
                [
                  -67.09755144017451,
                  18.526529676359015,
                  -72.66576287837965
                ]
              ]
            ]
          },
          "id": "20190121_700300e_2050500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_700300e_2050500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:03:21Z",
            "pc:count": 174078,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 701134.8987,
                "count": 174078,
                "maximum": 701300.0086,
                "minimum": 700821.6686,
                "name": "X",
                "position": 0,
                "stddev": 109.5901449,
                "variance": 12009.99986
              },
              {
                "average": 2049558.72,
                "count": 174078,
                "maximum": 2049613.961,
                "minimum": 2049499.981,
                "name": "Y",
                "position": 1,
                "stddev": 30.92757065,
                "variance": 956.5146261
              },
              {
                "average": -0.07664742439,
                "count": 174078,
                "maximum": 218.2742371,
                "minimum": -72.66576288,
                "name": "Z",
                "position": 2,
                "stddev": 1.311357358,
                "variance": 1.71965812
              },
              {
                "average": 594.2227565,
                "count": 174078,
                "maximum": 2830,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 561.3685002,
                "variance": 315134.593
              },
              {
                "average": 1.071812636,
                "count": 174078,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2743799001,
                "variance": 0.07528432958
              },
              {
                "average": 1.143217408,
                "count": 174078,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3853719759,
                "variance": 0.1485115598
              },
              {
                "average": 0.457277772,
                "count": 174078,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4981728986,
                "variance": 0.2481762369
              },
              {
                "average": 0.007852801618,
                "count": 174078,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08826766045,
                "variance": 0.007791179881
              },
              {
                "average": 25.44087133,
                "count": 174078,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.80978995,
                "variance": 433.0473577
              },
              {
                "average": -15.75262429,
                "count": 174078,
                "maximum": -7.998000145,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.644288084,
                "variance": 13.28083564
              },
              {
                "average": 0.9464895047,
                "count": 174078,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.014434078,
                "variance": 1.029076499
              },
              {
                "average": 76,
                "count": 174078,
                "maximum": 76,
                "minimum": 76,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232128997.4,
                "count": 174078,
                "maximum": 232129001.9,
                "minimum": 232128994.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.656291572,
                "variance": 2.743301772
              },
              {
                "average": 0.9464895047,
                "count": 174078,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.014434078,
                "variance": 1.029076499
              },
              {
                "average": 0,
                "count": 174078,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 174078,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.4114190191,
                "count": 174078,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4920922687,
                "variance": 0.2421548009
              },
              {
                "average": 0,
                "count": 174078,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              700821.6686,
              2049499.981,
              -72.66576288,
              701300.0086,
              2049613.961,
              218.2742371
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    700821.6686497082,
                    2049499.9813800098,
                    -72.66576287837965
                  ],
                  [
                    700821.6686497082,
                    2049613.9613800098,
                    -72.66576287837965
                  ],
                  [
                    701300.0086497082,
                    2049613.9613800098,
                    218.27423712162033
                  ],
                  [
                    701300.0086497082,
                    2049499.9813800098,
                    218.27423712162033
                  ],
                  [
                    700821.6686497082,
                    2049499.9813800098,
                    -72.66576287837965
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:03:21+00:00",
            "end_time": "2019-01-21T18:03:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_726300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.85682956726279,
              18.48178504573809,
              -125.8777539455183
            ],
            [
              -66.85675452329193,
              18.48781975054246,
              -125.8777539455183
            ],
            [
              -66.84728843655157,
              18.48771232782871,
              556.5422460544817
            ],
            [
              -66.84736381134698,
              18.48167766055384,
              556.5422460544817
            ],
            [
              -66.85682956726279,
              18.48178504573809,
              -125.8777539455183
            ]
          ]
        ]
      },
      "bbox": [
        -66.85682957,
        18.48167766,
        -125.8777539,
        -66.84728844,
        18.48781975,
        556.5422461
      ],
      "properties": {
        "datetime": "2019-01-21T20:12:15Z",
        "pc:count": 13485542,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 726812.1257,
            "count": 13485542,
            "maximum": 727300.0104,
            "minimum": 726299.9904,
            "name": "X",
            "position": 0,
            "stddev": 287.6430517,
            "variance": 82738.5252
          },
          {
            "average": 2045236.235,
            "count": 13485542,
            "maximum": 2045499.996,
            "minimum": 2044831.836,
            "name": "Y",
            "position": 1,
            "stddev": 181.9871625,
            "variance": 33119.32733
          },
          {
            "average": 27.33955123,
            "count": 13485542,
            "maximum": 556.5422461,
            "minimum": -125.8777539,
            "name": "Z",
            "position": 2,
            "stddev": 19.85110218,
            "variance": 394.0662579
          },
          {
            "average": 1553.795405,
            "count": 13485542,
            "maximum": 4470,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 528.3283349,
            "variance": 279130.8295
          },
          {
            "average": 1.674090963,
            "count": 13485542,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.199091436,
            "variance": 1.437820272
          },
          {
            "average": 2.348663554,
            "count": 13485542,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.785002867,
            "variance": 3.186235236
          },
          {
            "average": 0.3486387866,
            "count": 13485542,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4765394002,
            "variance": 0.2270897999
          },
          {
            "average": 0.001423598696,
            "count": 13485542,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03770374209,
            "variance": 0.001421572168
          },
          {
            "average": 1.306513376,
            "count": 13485542,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9027928214,
            "variance": 0.8150348784
          },
          {
            "average": 2.600390722,
            "count": 13485542,
            "maximum": 24.54599953,
            "minimum": -24.6060009,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.92209492,
            "variance": 193.824727
          },
          {
            "average": 1.111473903,
            "count": 13485542,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.183905873,
            "variance": 1.401633115
          },
          {
            "average": 91.28470224,
            "count": 13485542,
            "maximum": 92,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.74532581,
            "variance": 0.555510563
          },
          {
            "average": 232136326.8,
            "count": 13485542,
            "maximum": 232136735.4,
            "minimum": 232135697.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 394.1559884,
            "variance": 155358.9432
          },
          {
            "average": 1.11130335,
            "count": 13485542,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.183907701,
            "variance": 1.401637445
          },
          {
            "average": 0,
            "count": 13485542,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13485542,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2263306139,
            "count": 13485542,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4184555892,
            "variance": 0.1751050801
          },
          {
            "average": 0,
            "count": 13485542,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          726299.9904,
          2044831.836,
          -125.8777539,
          727300.0104,
          2045499.996,
          556.5422461
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                726299.990430486,
                2044831.8363703042,
                -125.8777539455183
              ],
              [
                726299.990430486,
                2045499.9963703044,
                -125.8777539455183
              ],
              [
                727300.010430486,
                2045499.9963703044,
                556.5422460544817
              ],
              [
                727300.010430486,
                2044831.8363703042,
                556.5422460544817
              ],
              [
                726299.990430486,
                2044831.8363703042,
                -125.8777539455183
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:12:15+00:00",
        "end_time": "2019-01-21T19:54:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_726300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_726300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_726300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_726300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.85682957,
            18.48167766,
            -125.8777539,
            -66.84728844,
            18.48781975,
            556.5422461
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.85682956726279,
                  18.48178504573809,
                  -125.8777539455183
                ],
                [
                  -66.85675452329193,
                  18.48781975054246,
                  -125.8777539455183
                ],
                [
                  -66.84728843655157,
                  18.48771232782871,
                  556.5422460544817
                ],
                [
                  -66.84736381134698,
                  18.48167766055384,
                  556.5422460544817
                ],
                [
                  -66.85682956726279,
                  18.48178504573809,
                  -125.8777539455183
                ]
              ]
            ]
          },
          "id": "20190121_726300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_726300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:12:15Z",
            "pc:count": 13485542,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 726812.1257,
                "count": 13485542,
                "maximum": 727300.0104,
                "minimum": 726299.9904,
                "name": "X",
                "position": 0,
                "stddev": 287.6430517,
                "variance": 82738.5252
              },
              {
                "average": 2045236.235,
                "count": 13485542,
                "maximum": 2045499.996,
                "minimum": 2044831.836,
                "name": "Y",
                "position": 1,
                "stddev": 181.9871625,
                "variance": 33119.32733
              },
              {
                "average": 27.33955123,
                "count": 13485542,
                "maximum": 556.5422461,
                "minimum": -125.8777539,
                "name": "Z",
                "position": 2,
                "stddev": 19.85110218,
                "variance": 394.0662579
              },
              {
                "average": 1553.795405,
                "count": 13485542,
                "maximum": 4470,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 528.3283349,
                "variance": 279130.8295
              },
              {
                "average": 1.674090963,
                "count": 13485542,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.199091436,
                "variance": 1.437820272
              },
              {
                "average": 2.348663554,
                "count": 13485542,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.785002867,
                "variance": 3.186235236
              },
              {
                "average": 0.3486387866,
                "count": 13485542,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4765394002,
                "variance": 0.2270897999
              },
              {
                "average": 0.001423598696,
                "count": 13485542,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03770374209,
                "variance": 0.001421572168
              },
              {
                "average": 1.306513376,
                "count": 13485542,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9027928214,
                "variance": 0.8150348784
              },
              {
                "average": 2.600390722,
                "count": 13485542,
                "maximum": 24.54599953,
                "minimum": -24.6060009,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.92209492,
                "variance": 193.824727
              },
              {
                "average": 1.111473903,
                "count": 13485542,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.183905873,
                "variance": 1.401633115
              },
              {
                "average": 91.28470224,
                "count": 13485542,
                "maximum": 92,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.74532581,
                "variance": 0.555510563
              },
              {
                "average": 232136326.8,
                "count": 13485542,
                "maximum": 232136735.4,
                "minimum": 232135697.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 394.1559884,
                "variance": 155358.9432
              },
              {
                "average": 1.11130335,
                "count": 13485542,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.183907701,
                "variance": 1.401637445
              },
              {
                "average": 0,
                "count": 13485542,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13485542,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2263306139,
                "count": 13485542,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4184555892,
                "variance": 0.1751050801
              },
              {
                "average": 0,
                "count": 13485542,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              726299.9904,
              2044831.836,
              -125.8777539,
              727300.0104,
              2045499.996,
              556.5422461
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    726299.990430486,
                    2044831.8363703042,
                    -125.8777539455183
                  ],
                  [
                    726299.990430486,
                    2045499.9963703044,
                    -125.8777539455183
                  ],
                  [
                    727300.010430486,
                    2045499.9963703044,
                    556.5422460544817
                  ],
                  [
                    727300.010430486,
                    2044831.8363703042,
                    556.5422460544817
                  ],
                  [
                    726299.990430486,
                    2044831.8363703042,
                    -125.8777539455183
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:12:15+00:00",
            "end_time": "2019-01-21T19:54:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_698300e_2049500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.12152924658321,
              18.51773535385742,
              -149.66771888869587
            ],
            [
              -67.12144412779615,
              18.525528892647998,
              -149.66771888869587
            ],
            [
              -67.11197441973815,
              18.525434517197038,
              469.35228111130414
            ],
            [
              -67.11205996698504,
              18.517641020912244,
              469.35228111130414
            ],
            [
              -67.12152924658321,
              18.51773535385742,
              -149.66771888869587
            ]
          ]
        ]
      },
      "bbox": [
        -67.12152925,
        18.51764102,
        -149.6677189,
        -67.11197442,
        18.52552889,
        469.3522811
      ],
      "properties": {
        "datetime": "2019-01-21T18:27:38Z",
        "pc:count": 7001789,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 698811.04,
            "count": 7001789,
            "maximum": 699300.0101,
            "minimum": 698299.9901,
            "name": "X",
            "position": 0,
            "stddev": 286.6349334,
            "variance": 82159.58504
          },
          {
            "average": 2048724.139,
            "count": 7001789,
            "maximum": 2049362.745,
            "minimum": 2048499.985,
            "name": "Y",
            "position": 1,
            "stddev": 182.1782427,
            "variance": 33188.9121
          },
          {
            "average": -3.474627432,
            "count": 7001789,
            "maximum": 469.3522811,
            "minimum": -149.6677189,
            "name": "Z",
            "position": 2,
            "stddev": 11.00368668,
            "variance": 121.0811204
          },
          {
            "average": 544.2705254,
            "count": 7001789,
            "maximum": 3355,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 522.8188494,
            "variance": 273339.5493
          },
          {
            "average": 1.317172797,
            "count": 7001789,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6194339461,
            "variance": 0.3836984136
          },
          {
            "average": 1.635669113,
            "count": 7001789,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8568124436,
            "variance": 0.7341275635
          },
          {
            "average": 0.4457426523,
            "count": 7001789,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.497047458,
            "variance": 0.2470561755
          },
          {
            "average": 0.002774719432,
            "count": 7001789,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.05260247865,
            "variance": 0.00276702076
          },
          {
            "average": 25.89232152,
            "count": 7001789,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.26427216,
            "variance": 452.1692703
          },
          {
            "average": -4.319334751,
            "count": 7001789,
            "maximum": 22.99799919,
            "minimum": -23.10000038,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 11.90463368,
            "variance": 141.7203031
          },
          {
            "average": 1.015248246,
            "count": 7001789,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.05996726,
            "variance": 1.123530593
          },
          {
            "average": 78.82246894,
            "count": 7001789,
            "maximum": 80,
            "minimum": 77,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7269653915,
            "variance": 0.5284786804
          },
          {
            "average": 232130037.7,
            "count": 7001789,
            "maximum": 232130458,
            "minimum": 232129438.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 297.0240657,
            "variance": 88223.29562
          },
          {
            "average": 1.015248246,
            "count": 7001789,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.05996726,
            "variance": 1.123530593
          },
          {
            "average": 0,
            "count": 7001789,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7001789,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1440466144,
            "count": 7001789,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3511370172,
            "variance": 0.1232972049
          },
          {
            "average": 0,
            "count": 7001789,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          698299.9901,
          2048499.985,
          -149.6677189,
          699300.0101,
          2049362.745,
          469.3522811
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                698299.9901225399,
                2048499.985223117,
                -149.66771888869587
              ],
              [
                698299.9901225399,
                2049362.7452231168,
                -149.66771888869587
              ],
              [
                699300.0101225399,
                2049362.7452231168,
                469.35228111130414
              ],
              [
                699300.0101225399,
                2048499.985223117,
                469.35228111130414
              ],
              [
                698299.9901225399,
                2048499.985223117,
                -149.66771888869587
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:27:38+00:00",
        "end_time": "2019-01-21T18:10:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_698300e_2049500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_698300e_2049500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_698300e_2049500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_698300e_2049500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.12152925,
            18.51764102,
            -149.6677189,
            -67.11197442,
            18.52552889,
            469.3522811
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.12152924658321,
                  18.51773535385742,
                  -149.66771888869587
                ],
                [
                  -67.12144412779615,
                  18.525528892647998,
                  -149.66771888869587
                ],
                [
                  -67.11197441973815,
                  18.525434517197038,
                  469.35228111130414
                ],
                [
                  -67.11205996698504,
                  18.517641020912244,
                  469.35228111130414
                ],
                [
                  -67.12152924658321,
                  18.51773535385742,
                  -149.66771888869587
                ]
              ]
            ]
          },
          "id": "20190121_698300e_2049500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_698300e_2049500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:27:38Z",
            "pc:count": 7001789,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 698811.04,
                "count": 7001789,
                "maximum": 699300.0101,
                "minimum": 698299.9901,
                "name": "X",
                "position": 0,
                "stddev": 286.6349334,
                "variance": 82159.58504
              },
              {
                "average": 2048724.139,
                "count": 7001789,
                "maximum": 2049362.745,
                "minimum": 2048499.985,
                "name": "Y",
                "position": 1,
                "stddev": 182.1782427,
                "variance": 33188.9121
              },
              {
                "average": -3.474627432,
                "count": 7001789,
                "maximum": 469.3522811,
                "minimum": -149.6677189,
                "name": "Z",
                "position": 2,
                "stddev": 11.00368668,
                "variance": 121.0811204
              },
              {
                "average": 544.2705254,
                "count": 7001789,
                "maximum": 3355,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 522.8188494,
                "variance": 273339.5493
              },
              {
                "average": 1.317172797,
                "count": 7001789,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6194339461,
                "variance": 0.3836984136
              },
              {
                "average": 1.635669113,
                "count": 7001789,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8568124436,
                "variance": 0.7341275635
              },
              {
                "average": 0.4457426523,
                "count": 7001789,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.497047458,
                "variance": 0.2470561755
              },
              {
                "average": 0.002774719432,
                "count": 7001789,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.05260247865,
                "variance": 0.00276702076
              },
              {
                "average": 25.89232152,
                "count": 7001789,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.26427216,
                "variance": 452.1692703
              },
              {
                "average": -4.319334751,
                "count": 7001789,
                "maximum": 22.99799919,
                "minimum": -23.10000038,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 11.90463368,
                "variance": 141.7203031
              },
              {
                "average": 1.015248246,
                "count": 7001789,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.05996726,
                "variance": 1.123530593
              },
              {
                "average": 78.82246894,
                "count": 7001789,
                "maximum": 80,
                "minimum": 77,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7269653915,
                "variance": 0.5284786804
              },
              {
                "average": 232130037.7,
                "count": 7001789,
                "maximum": 232130458,
                "minimum": 232129438.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 297.0240657,
                "variance": 88223.29562
              },
              {
                "average": 1.015248246,
                "count": 7001789,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.05996726,
                "variance": 1.123530593
              },
              {
                "average": 0,
                "count": 7001789,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7001789,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1440466144,
                "count": 7001789,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3511370172,
                "variance": 0.1232972049
              },
              {
                "average": 0,
                "count": 7001789,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              698299.9901,
              2048499.985,
              -149.6677189,
              699300.0101,
              2049362.745,
              469.3522811
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    698299.9901225399,
                    2048499.985223117,
                    -149.66771888869587
                  ],
                  [
                    698299.9901225399,
                    2049362.7452231168,
                    -149.66771888869587
                  ],
                  [
                    699300.0101225399,
                    2049362.7452231168,
                    469.35228111130414
                  ],
                  [
                    699300.0101225399,
                    2048499.985223117,
                    469.35228111130414
                  ],
                  [
                    698299.9901225399,
                    2048499.985223117,
                    -149.66771888869587
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:27:38+00:00",
            "end_time": "2019-01-21T18:10:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_697300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.13118375911044,
              18.50075737080679,
              -115.18525364087498
            ],
            [
              -67.1310965009517,
              18.508795950563353,
              -115.18525364087498
            ],
            [
              -67.12162766092936,
              18.508702140331202,
              551.594746359125
            ],
            [
              -67.12171536055139,
              18.500663604188162,
              551.594746359125
            ],
            [
              -67.13118375911044,
              18.50075737080679,
              -115.18525364087498
            ]
          ]
        ]
      },
      "bbox": [
        -67.13118376,
        18.5006636,
        -115.1852536,
        -67.12162766,
        18.50879595,
        551.5947464
      ],
      "properties": {
        "datetime": "2019-01-21T19:07:32Z",
        "pc:count": 15220384,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 697775.0474,
            "count": 15220384,
            "maximum": 698300.0103,
            "minimum": 697299.9903,
            "name": "X",
            "position": 0,
            "stddev": 297.3382404,
            "variance": 88410.02922
          },
          {
            "average": 2047220.526,
            "count": 15220384,
            "maximum": 2047499.992,
            "minimum": 2046610.112,
            "name": "Y",
            "position": 1,
            "stddev": 210.0658667,
            "variance": 44127.66834
          },
          {
            "average": 36.03716198,
            "count": 15220384,
            "maximum": 551.5947464,
            "minimum": -115.1852536,
            "name": "Z",
            "position": 2,
            "stddev": 23.7347803,
            "variance": 563.3397961
          },
          {
            "average": 1519.263054,
            "count": 15220384,
            "maximum": 4369,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 567.6459321,
            "variance": 322221.9042
          },
          {
            "average": 1.786132991,
            "count": 15220384,
            "maximum": 14,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.282183782,
            "variance": 1.643995251
          },
          {
            "average": 2.57210889,
            "count": 15220384,
            "maximum": 14,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.87810641,
            "variance": 3.527283689
          },
          {
            "average": 0.367167149,
            "count": 15220384,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4820326223,
            "variance": 0.232355449
          },
          {
            "average": 0.001396942416,
            "count": 15220384,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03734957911,
            "variance": 0.00139499106
          },
          {
            "average": 1.25595077,
            "count": 15220384,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8053892509,
            "variance": 0.6486518454
          },
          {
            "average": -0.9853995805,
            "count": 15220384,
            "maximum": 27.28800011,
            "minimum": -22.9260006,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.275446,
            "variance": 176.2374666
          },
          {
            "average": 1.117642367,
            "count": 15220384,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.170242895,
            "variance": 1.369468432
          },
          {
            "average": 82.98725965,
            "count": 15220384,
            "maximum": 85,
            "minimum": 71,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.942180506,
            "variance": 15.54078715
          },
          {
            "average": 232131958.3,
            "count": 15220384,
            "maximum": 232132852.5,
            "minimum": 232127675.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1432.727682,
            "variance": 2052708.612
          },
          {
            "average": 1.117642367,
            "count": 15220384,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.170242895,
            "variance": 1.369468432
          },
          {
            "average": 0,
            "count": 15220384,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15220384,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2156808922,
            "count": 15220384,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4112938804,
            "variance": 0.169162656
          },
          {
            "average": 0,
            "count": 15220384,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          697299.9903,
          2046610.112,
          -115.1852536,
          698300.0103,
          2047499.992,
          551.5947464
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                697299.9902746554,
                2046610.111954003,
                -115.18525364087498
              ],
              [
                697299.9902746554,
                2047499.991954003,
                -115.18525364087498
              ],
              [
                698300.0102746554,
                2047499.991954003,
                551.594746359125
              ],
              [
                698300.0102746554,
                2046610.111954003,
                551.594746359125
              ],
              [
                697299.9902746554,
                2046610.111954003,
                -115.18525364087498
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:07:32+00:00",
        "end_time": "2019-01-21T17:41:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_697300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_697300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_697300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_697300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.13118376,
            18.5006636,
            -115.1852536,
            -67.12162766,
            18.50879595,
            551.5947464
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.13118375911044,
                  18.50075737080679,
                  -115.18525364087498
                ],
                [
                  -67.1310965009517,
                  18.508795950563353,
                  -115.18525364087498
                ],
                [
                  -67.12162766092936,
                  18.508702140331202,
                  551.594746359125
                ],
                [
                  -67.12171536055139,
                  18.500663604188162,
                  551.594746359125
                ],
                [
                  -67.13118375911044,
                  18.50075737080679,
                  -115.18525364087498
                ]
              ]
            ]
          },
          "id": "20190121_697300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_697300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:07:32Z",
            "pc:count": 15220384,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 697775.0474,
                "count": 15220384,
                "maximum": 698300.0103,
                "minimum": 697299.9903,
                "name": "X",
                "position": 0,
                "stddev": 297.3382404,
                "variance": 88410.02922
              },
              {
                "average": 2047220.526,
                "count": 15220384,
                "maximum": 2047499.992,
                "minimum": 2046610.112,
                "name": "Y",
                "position": 1,
                "stddev": 210.0658667,
                "variance": 44127.66834
              },
              {
                "average": 36.03716198,
                "count": 15220384,
                "maximum": 551.5947464,
                "minimum": -115.1852536,
                "name": "Z",
                "position": 2,
                "stddev": 23.7347803,
                "variance": 563.3397961
              },
              {
                "average": 1519.263054,
                "count": 15220384,
                "maximum": 4369,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 567.6459321,
                "variance": 322221.9042
              },
              {
                "average": 1.786132991,
                "count": 15220384,
                "maximum": 14,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.282183782,
                "variance": 1.643995251
              },
              {
                "average": 2.57210889,
                "count": 15220384,
                "maximum": 14,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.87810641,
                "variance": 3.527283689
              },
              {
                "average": 0.367167149,
                "count": 15220384,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4820326223,
                "variance": 0.232355449
              },
              {
                "average": 0.001396942416,
                "count": 15220384,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03734957911,
                "variance": 0.00139499106
              },
              {
                "average": 1.25595077,
                "count": 15220384,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8053892509,
                "variance": 0.6486518454
              },
              {
                "average": -0.9853995805,
                "count": 15220384,
                "maximum": 27.28800011,
                "minimum": -22.9260006,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.275446,
                "variance": 176.2374666
              },
              {
                "average": 1.117642367,
                "count": 15220384,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.170242895,
                "variance": 1.369468432
              },
              {
                "average": 82.98725965,
                "count": 15220384,
                "maximum": 85,
                "minimum": 71,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.942180506,
                "variance": 15.54078715
              },
              {
                "average": 232131958.3,
                "count": 15220384,
                "maximum": 232132852.5,
                "minimum": 232127675.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1432.727682,
                "variance": 2052708.612
              },
              {
                "average": 1.117642367,
                "count": 15220384,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.170242895,
                "variance": 1.369468432
              },
              {
                "average": 0,
                "count": 15220384,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15220384,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2156808922,
                "count": 15220384,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4112938804,
                "variance": 0.169162656
              },
              {
                "average": 0,
                "count": 15220384,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              697299.9903,
              2046610.112,
              -115.1852536,
              698300.0103,
              2047499.992,
              551.5947464
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    697299.9902746554,
                    2046610.111954003,
                    -115.18525364087498
                  ],
                  [
                    697299.9902746554,
                    2047499.991954003,
                    -115.18525364087498
                  ],
                  [
                    698300.0102746554,
                    2047499.991954003,
                    551.594746359125
                  ],
                  [
                    698300.0102746554,
                    2046610.111954003,
                    551.594746359125
                  ],
                  [
                    697299.9902746554,
                    2046610.111954003,
                    -115.18525364087498
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:07:32+00:00",
            "end_time": "2019-01-21T17:41:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_719300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.9231264420166,
              18.479526095313847,
              -141.8966697383773
            ],
            [
              -66.923017602135,
              18.48855848965873,
              -141.8966697383773
            ],
            [
              -66.9135510682524,
              18.48845437534897,
              590.1633302616227
            ],
            [
              -66.91366040333241,
              18.47942203544328,
              590.1633302616227
            ],
            [
              -66.9231264420166,
              18.479526095313847,
              -141.8966697383773
            ]
          ]
        ]
      },
      "bbox": [
        -66.92312644,
        18.47942204,
        -141.8966697,
        -66.91355107,
        18.48855849,
        590.1633303
      ],
      "properties": {
        "datetime": "2019-05-25T11:47:46Z",
        "pc:count": 26862467,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 719792.9057,
            "count": 26862467,
            "maximum": 720300.0104,
            "minimum": 719299.9904,
            "name": "X",
            "position": 0,
            "stddev": 283.0058131,
            "variance": 80092.29025
          },
          {
            "average": 2044990.99,
            "count": 26862467,
            "maximum": 2045499.999,
            "minimum": 2044499.979,
            "name": "Y",
            "position": 1,
            "stddev": 258.5574119,
            "variance": 66851.93526
          },
          {
            "average": 40.83484078,
            "count": 26862467,
            "maximum": 590.1633303,
            "minimum": -141.8966697,
            "name": "Z",
            "position": 2,
            "stddev": 35.42067266,
            "variance": 1254.624052
          },
          {
            "average": 1113.518896,
            "count": 26862467,
            "maximum": 4750,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 612.7292097,
            "variance": 375437.0844
          },
          {
            "average": 1.987771116,
            "count": 26862467,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.314899513,
            "variance": 1.72896073
          },
          {
            "average": 2.97586413,
            "count": 26862467,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.795483089,
            "variance": 3.223759521
          },
          {
            "average": 0.3930856016,
            "count": 26862467,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4884355846,
            "variance": 0.2385693203
          },
          {
            "average": 0.001218726486,
            "count": 26862467,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03488898446,
            "variance": 0.001217241237
          },
          {
            "average": 8.602326436,
            "count": 26862467,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 16.18526561,
            "variance": 261.9628228
          },
          {
            "average": -0.5688265911,
            "count": 26862467,
            "maximum": 23.20800018,
            "minimum": -23.53199959,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.46638163,
            "variance": 181.3434342
          },
          {
            "average": 0.94700282,
            "count": 26862467,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.076114752,
            "variance": 1.158022959
          },
          {
            "average": 93.03771865,
            "count": 26862467,
            "maximum": 815,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.736965015,
            "variance": 3.017047462
          },
          {
            "average": 232136935.1,
            "count": 26862467,
            "maximum": 242820066.6,
            "minimum": 232135594.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12882.33441,
            "variance": 165954539.8
          },
          {
            "average": 0.94700282,
            "count": 26862467,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.076114752,
            "variance": 1.158022959
          },
          {
            "average": 0,
            "count": 26862467,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26862467,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2297406638,
            "count": 26862467,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4206660169,
            "variance": 0.1769598978
          },
          {
            "average": 0,
            "count": 26862467,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          719299.9904,
          2044499.979,
          -141.8966697,
          720300.0104,
          2045499.999,
          590.1633303
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                719299.9903557973,
                2044499.9794867332,
                -141.8966697383773
              ],
              [
                719299.9903557973,
                2045499.9994867332,
                -141.8966697383773
              ],
              [
                720300.0103557974,
                2045499.9994867332,
                590.1633302616227
              ],
              [
                720300.0103557974,
                2044499.9794867332,
                590.1633302616227
              ],
              [
                719299.9903557973,
                2044499.9794867332,
                -141.8966697383773
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-05-25T11:47:46+00:00",
        "end_time": "2019-01-21T19:53:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_719300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_719300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_719300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.92312644,
            18.47942204,
            -141.8966697,
            -66.91355107,
            18.48855849,
            590.1633303
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.9231264420166,
                  18.479526095313847,
                  -141.8966697383773
                ],
                [
                  -66.923017602135,
                  18.48855848965873,
                  -141.8966697383773
                ],
                [
                  -66.9135510682524,
                  18.48845437534897,
                  590.1633302616227
                ],
                [
                  -66.91366040333241,
                  18.47942203544328,
                  590.1633302616227
                ],
                [
                  -66.9231264420166,
                  18.479526095313847,
                  -141.8966697383773
                ]
              ]
            ]
          },
          "id": "20190121_719300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_719300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-05-25T11:47:46Z",
            "pc:count": 26862467,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 719792.9057,
                "count": 26862467,
                "maximum": 720300.0104,
                "minimum": 719299.9904,
                "name": "X",
                "position": 0,
                "stddev": 283.0058131,
                "variance": 80092.29025
              },
              {
                "average": 2044990.99,
                "count": 26862467,
                "maximum": 2045499.999,
                "minimum": 2044499.979,
                "name": "Y",
                "position": 1,
                "stddev": 258.5574119,
                "variance": 66851.93526
              },
              {
                "average": 40.83484078,
                "count": 26862467,
                "maximum": 590.1633303,
                "minimum": -141.8966697,
                "name": "Z",
                "position": 2,
                "stddev": 35.42067266,
                "variance": 1254.624052
              },
              {
                "average": 1113.518896,
                "count": 26862467,
                "maximum": 4750,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 612.7292097,
                "variance": 375437.0844
              },
              {
                "average": 1.987771116,
                "count": 26862467,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.314899513,
                "variance": 1.72896073
              },
              {
                "average": 2.97586413,
                "count": 26862467,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.795483089,
                "variance": 3.223759521
              },
              {
                "average": 0.3930856016,
                "count": 26862467,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4884355846,
                "variance": 0.2385693203
              },
              {
                "average": 0.001218726486,
                "count": 26862467,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03488898446,
                "variance": 0.001217241237
              },
              {
                "average": 8.602326436,
                "count": 26862467,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 16.18526561,
                "variance": 261.9628228
              },
              {
                "average": -0.5688265911,
                "count": 26862467,
                "maximum": 23.20800018,
                "minimum": -23.53199959,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.46638163,
                "variance": 181.3434342
              },
              {
                "average": 0.94700282,
                "count": 26862467,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.076114752,
                "variance": 1.158022959
              },
              {
                "average": 93.03771865,
                "count": 26862467,
                "maximum": 815,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.736965015,
                "variance": 3.017047462
              },
              {
                "average": 232136935.1,
                "count": 26862467,
                "maximum": 242820066.6,
                "minimum": 232135594.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12882.33441,
                "variance": 165954539.8
              },
              {
                "average": 0.94700282,
                "count": 26862467,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.076114752,
                "variance": 1.158022959
              },
              {
                "average": 0,
                "count": 26862467,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26862467,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2297406638,
                "count": 26862467,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4206660169,
                "variance": 0.1769598978
              },
              {
                "average": 0,
                "count": 26862467,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              719299.9904,
              2044499.979,
              -141.8966697,
              720300.0104,
              2045499.999,
              590.1633303
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    719299.9903557973,
                    2044499.9794867332,
                    -141.8966697383773
                  ],
                  [
                    719299.9903557973,
                    2045499.9994867332,
                    -141.8966697383773
                  ],
                  [
                    720300.0103557974,
                    2045499.9994867332,
                    590.1633302616227
                  ],
                  [
                    720300.0103557974,
                    2044499.9794867332,
                    590.1633302616227
                  ],
                  [
                    719299.9903557973,
                    2044499.9794867332,
                    -141.8966697383773
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-05-25T11:47:46+00:00",
            "end_time": "2019-01-21T19:53:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190201_687300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.22708447367889,
              18.38323375781241,
              -151.07924570615683
            ],
            [
              -67.22699207622341,
              18.39226786309788,
              -151.07924570615683
            ],
            [
              -67.21752911268781,
              18.392179392653105,
              507.98075429384323
            ],
            [
              -67.21762200265563,
              18.3831453338445,
              507.98075429384323
            ],
            [
              -67.22708447367889,
              18.38323375781241,
              -151.07924570615683
            ]
          ]
        ]
      },
      "bbox": [
        -67.22708447,
        18.38314533,
        -151.0792457,
        -67.21752911,
        18.39226786,
        507.9807543
      ],
      "properties": {
        "datetime": "2019-02-01T17:00:51Z",
        "pc:count": 22067388,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 687868.5011,
            "count": 22067388,
            "maximum": 688300.0105,
            "minimum": 687299.9905,
            "name": "X",
            "position": 0,
            "stddev": 280.2900377,
            "variance": 78562.50525
          },
          {
            "average": 2033909.124,
            "count": 22067388,
            "maximum": 2034500,
            "minimum": 2033499.98,
            "name": "Y",
            "position": 1,
            "stddev": 278.1432604,
            "variance": 77363.67328
          },
          {
            "average": -0.7805338382,
            "count": 22067388,
            "maximum": 507.9807543,
            "minimum": -151.0792457,
            "name": "Z",
            "position": 2,
            "stddev": 11.7662007,
            "variance": 138.4434789
          },
          {
            "average": 609.0200124,
            "count": 22067388,
            "maximum": 3237,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 446.4382962,
            "variance": 199307.1523
          },
          {
            "average": 1.84343113,
            "count": 22067388,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.229282631,
            "variance": 1.511135787
          },
          {
            "average": 2.686892259,
            "count": 22067388,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.725795706,
            "variance": 2.978370817
          },
          {
            "average": 0.4811033821,
            "count": 22067388,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4996428016,
            "variance": 0.2496429291
          },
          {
            "average": 0.001688872285,
            "count": 22067388,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04106117475,
            "variance": 0.001686020072
          },
          {
            "average": 24.80027469,
            "count": 22067388,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.67900619,
            "variance": 469.9793093
          },
          {
            "average": -1.360133445,
            "count": 22067388,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.36644154,
            "variance": 178.6617596
          },
          {
            "average": 0.8408324991,
            "count": 22067388,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9237377768,
            "variance": 0.8532914803
          },
          {
            "average": 125.5288063,
            "count": 22067388,
            "maximum": 128,
            "minimum": 122,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.147796888,
            "variance": 1.317437695
          },
          {
            "average": 233074888.8,
            "count": 22067388,
            "maximum": 233075651.8,
            "minimum": 233073681.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 375.9990108,
            "variance": 141375.2561
          },
          {
            "average": 0.8408324991,
            "count": 22067388,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9237377768,
            "variance": 0.8532914803
          },
          {
            "average": 0,
            "count": 22067388,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22067388,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2527627194,
            "count": 22067388,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4345960603,
            "variance": 0.1888737356
          },
          {
            "average": 0,
            "count": 22067388,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          687299.9905,
          2033499.98,
          -151.0792457,
          688300.0105,
          2034500,
          507.9807543
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                687299.9905142321,
                2033499.979561847,
                -151.07924570615683
              ],
              [
                687299.9905142321,
                2034499.999561847,
                -151.07924570615683
              ],
              [
                688300.0105142321,
                2034499.999561847,
                507.98075429384323
              ],
              [
                688300.0105142321,
                2033499.979561847,
                507.98075429384323
              ],
              [
                687299.9905142321,
                2033499.979561847,
                -151.07924570615683
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T17:00:51+00:00",
        "end_time": "2019-02-01T16:28:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190201_687300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190201_687300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190201_687300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_687300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.22708447,
            18.38314533,
            -151.0792457,
            -67.21752911,
            18.39226786,
            507.9807543
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.22708447367889,
                  18.38323375781241,
                  -151.07924570615683
                ],
                [
                  -67.22699207622341,
                  18.39226786309788,
                  -151.07924570615683
                ],
                [
                  -67.21752911268781,
                  18.392179392653105,
                  507.98075429384323
                ],
                [
                  -67.21762200265563,
                  18.3831453338445,
                  507.98075429384323
                ],
                [
                  -67.22708447367889,
                  18.38323375781241,
                  -151.07924570615683
                ]
              ]
            ]
          },
          "id": "20190201_687300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190201_687300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T17:00:51Z",
            "pc:count": 22067388,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 687868.5011,
                "count": 22067388,
                "maximum": 688300.0105,
                "minimum": 687299.9905,
                "name": "X",
                "position": 0,
                "stddev": 280.2900377,
                "variance": 78562.50525
              },
              {
                "average": 2033909.124,
                "count": 22067388,
                "maximum": 2034500,
                "minimum": 2033499.98,
                "name": "Y",
                "position": 1,
                "stddev": 278.1432604,
                "variance": 77363.67328
              },
              {
                "average": -0.7805338382,
                "count": 22067388,
                "maximum": 507.9807543,
                "minimum": -151.0792457,
                "name": "Z",
                "position": 2,
                "stddev": 11.7662007,
                "variance": 138.4434789
              },
              {
                "average": 609.0200124,
                "count": 22067388,
                "maximum": 3237,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 446.4382962,
                "variance": 199307.1523
              },
              {
                "average": 1.84343113,
                "count": 22067388,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.229282631,
                "variance": 1.511135787
              },
              {
                "average": 2.686892259,
                "count": 22067388,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.725795706,
                "variance": 2.978370817
              },
              {
                "average": 0.4811033821,
                "count": 22067388,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4996428016,
                "variance": 0.2496429291
              },
              {
                "average": 0.001688872285,
                "count": 22067388,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04106117475,
                "variance": 0.001686020072
              },
              {
                "average": 24.80027469,
                "count": 22067388,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.67900619,
                "variance": 469.9793093
              },
              {
                "average": -1.360133445,
                "count": 22067388,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.36644154,
                "variance": 178.6617596
              },
              {
                "average": 0.8408324991,
                "count": 22067388,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9237377768,
                "variance": 0.8532914803
              },
              {
                "average": 125.5288063,
                "count": 22067388,
                "maximum": 128,
                "minimum": 122,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.147796888,
                "variance": 1.317437695
              },
              {
                "average": 233074888.8,
                "count": 22067388,
                "maximum": 233075651.8,
                "minimum": 233073681.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 375.9990108,
                "variance": 141375.2561
              },
              {
                "average": 0.8408324991,
                "count": 22067388,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9237377768,
                "variance": 0.8532914803
              },
              {
                "average": 0,
                "count": 22067388,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22067388,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2527627194,
                "count": 22067388,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4345960603,
                "variance": 0.1888737356
              },
              {
                "average": 0,
                "count": 22067388,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              687299.9905,
              2033499.98,
              -151.0792457,
              688300.0105,
              2034500,
              507.9807543
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    687299.9905142321,
                    2033499.979561847,
                    -151.07924570615683
                  ],
                  [
                    687299.9905142321,
                    2034499.999561847,
                    -151.07924570615683
                  ],
                  [
                    688300.0105142321,
                    2034499.999561847,
                    507.98075429384323
                  ],
                  [
                    688300.0105142321,
                    2033499.979561847,
                    507.98075429384323
                  ],
                  [
                    687299.9905142321,
                    2033499.979561847,
                    -151.07924570615683
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T17:00:51+00:00",
            "end_time": "2019-02-01T16:28:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_726300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.85675452457394,
              18.487819598136262,
              -116.24699179190759
            ],
            [
              -66.85664215396204,
              18.496851596962035,
              -116.24699179190759
            ],
            [
              -66.84717557185448,
              18.4967441180749,
              551.7530082080924
            ],
            [
              -66.84728843784194,
              18.48771217542343,
              551.7530082080924
            ],
            [
              -66.85675452457394,
              18.487819598136262,
              -116.24699179190759
            ]
          ]
        ]
      },
      "bbox": [
        -66.85675452,
        18.48771218,
        -116.2469918,
        -66.84717557,
        18.4968516,
        551.7530082
      ],
      "properties": {
        "datetime": "2019-01-21T20:02:12Z",
        "pc:count": 19680139,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 726821.0632,
            "count": 19680139,
            "maximum": 727300.0105,
            "minimum": 726299.9905,
            "name": "X",
            "position": 0,
            "stddev": 283.0365589,
            "variance": 80109.69366
          },
          {
            "average": 2045879.82,
            "count": 19680139,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 259.5715286,
            "variance": 67377.37848
          },
          {
            "average": 1.00074843,
            "count": 19680139,
            "maximum": 551.7530082,
            "minimum": -116.2469918,
            "name": "Z",
            "position": 2,
            "stddev": 8.62182017,
            "variance": 74.33578304
          },
          {
            "average": 1022.210816,
            "count": 19680139,
            "maximum": 4132,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 625.7873505,
            "variance": 391609.808
          },
          {
            "average": 1.696986032,
            "count": 19680139,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.101032065,
            "variance": 1.212271608
          },
          {
            "average": 2.393650472,
            "count": 19680139,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.566223701,
            "variance": 2.453056681
          },
          {
            "average": 0.4234555965,
            "count": 19680139,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4941062302,
            "variance": 0.2441409667
          },
          {
            "average": 0.001943533021,
            "count": 19680139,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04404265885,
            "variance": 0.001939755799
          },
          {
            "average": 13.64769598,
            "count": 19680139,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 19.365793,
            "variance": 375.0339385
          },
          {
            "average": 1.274953776,
            "count": 19680139,
            "maximum": 23.77799988,
            "minimum": -22.91399956,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.50603304,
            "variance": 182.4129285
          },
          {
            "average": 0.8935396239,
            "count": 19680139,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.017493262,
            "variance": 1.035292538
          },
          {
            "average": 89.01093326,
            "count": 19680139,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.146636077,
            "variance": 1.314774292
          },
          {
            "average": 232135126.6,
            "count": 19680139,
            "maximum": 232136132.1,
            "minimum": 232133509.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 614.2694565,
            "variance": 377326.9652
          },
          {
            "average": 0.8935385568,
            "count": 19680139,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.017493674,
            "variance": 1.035293377
          },
          {
            "average": 0,
            "count": 19680139,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 19680139,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2300672775,
            "count": 19680139,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4208756756,
            "variance": 0.1771363343
          },
          {
            "average": 0,
            "count": 19680139,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          726299.9905,
          2045499.979,
          -116.2469918,
          727300.0105,
          2046499.999,
          551.7530082
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                726299.9904952974,
                2045499.9794967177,
                -116.24699179190759
              ],
              [
                726299.9904952974,
                2046499.9994967177,
                -116.24699179190759
              ],
              [
                727300.0104952974,
                2046499.9994967177,
                551.7530082080924
              ],
              [
                727300.0104952974,
                2045499.9794967177,
                551.7530082080924
              ],
              [
                726299.9904952974,
                2045499.9794967177,
                -116.24699179190759
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:02:12+00:00",
        "end_time": "2019-01-21T19:18:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_726300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_726300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_726300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_726300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.85675452,
            18.48771218,
            -116.2469918,
            -66.84717557,
            18.4968516,
            551.7530082
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.85675452457394,
                  18.487819598136262,
                  -116.24699179190759
                ],
                [
                  -66.85664215396204,
                  18.496851596962035,
                  -116.24699179190759
                ],
                [
                  -66.84717557185448,
                  18.4967441180749,
                  551.7530082080924
                ],
                [
                  -66.84728843784194,
                  18.48771217542343,
                  551.7530082080924
                ],
                [
                  -66.85675452457394,
                  18.487819598136262,
                  -116.24699179190759
                ]
              ]
            ]
          },
          "id": "20190121_726300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_726300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:02:12Z",
            "pc:count": 19680139,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 726821.0632,
                "count": 19680139,
                "maximum": 727300.0105,
                "minimum": 726299.9905,
                "name": "X",
                "position": 0,
                "stddev": 283.0365589,
                "variance": 80109.69366
              },
              {
                "average": 2045879.82,
                "count": 19680139,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 259.5715286,
                "variance": 67377.37848
              },
              {
                "average": 1.00074843,
                "count": 19680139,
                "maximum": 551.7530082,
                "minimum": -116.2469918,
                "name": "Z",
                "position": 2,
                "stddev": 8.62182017,
                "variance": 74.33578304
              },
              {
                "average": 1022.210816,
                "count": 19680139,
                "maximum": 4132,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 625.7873505,
                "variance": 391609.808
              },
              {
                "average": 1.696986032,
                "count": 19680139,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.101032065,
                "variance": 1.212271608
              },
              {
                "average": 2.393650472,
                "count": 19680139,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.566223701,
                "variance": 2.453056681
              },
              {
                "average": 0.4234555965,
                "count": 19680139,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4941062302,
                "variance": 0.2441409667
              },
              {
                "average": 0.001943533021,
                "count": 19680139,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04404265885,
                "variance": 0.001939755799
              },
              {
                "average": 13.64769598,
                "count": 19680139,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 19.365793,
                "variance": 375.0339385
              },
              {
                "average": 1.274953776,
                "count": 19680139,
                "maximum": 23.77799988,
                "minimum": -22.91399956,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.50603304,
                "variance": 182.4129285
              },
              {
                "average": 0.8935396239,
                "count": 19680139,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.017493262,
                "variance": 1.035292538
              },
              {
                "average": 89.01093326,
                "count": 19680139,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.146636077,
                "variance": 1.314774292
              },
              {
                "average": 232135126.6,
                "count": 19680139,
                "maximum": 232136132.1,
                "minimum": 232133509.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 614.2694565,
                "variance": 377326.9652
              },
              {
                "average": 0.8935385568,
                "count": 19680139,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.017493674,
                "variance": 1.035293377
              },
              {
                "average": 0,
                "count": 19680139,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 19680139,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2300672775,
                "count": 19680139,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4208756756,
                "variance": 0.1771363343
              },
              {
                "average": 0,
                "count": 19680139,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              726299.9905,
              2045499.979,
              -116.2469918,
              727300.0105,
              2046499.999,
              551.7530082
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    726299.9904952974,
                    2045499.9794967177,
                    -116.24699179190759
                  ],
                  [
                    726299.9904952974,
                    2046499.9994967177,
                    -116.24699179190759
                  ],
                  [
                    727300.0104952974,
                    2046499.9994967177,
                    551.7530082080924
                  ],
                  [
                    727300.0104952974,
                    2045499.9794967177,
                    551.7530082080924
                  ],
                  [
                    726299.9904952974,
                    2045499.9794967177,
                    -116.24699179190759
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:02:12+00:00",
            "end_time": "2019-01-21T19:18:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_734300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.7809127963153,
              18.495978446931243,
              -139.12741292162676
            ],
            [
              -66.78084422517365,
              18.501299540372987,
              -139.12741292162676
            ],
            [
              -66.77137787941248,
              18.50118824505646,
              537.4125870783732
            ],
            [
              -66.77144674247192,
              18.495867185877888,
              537.4125870783732
            ],
            [
              -66.7809127963153,
              18.495978446931243,
              -139.12741292162676
            ]
          ]
        ]
      },
      "bbox": [
        -66.7809128,
        18.49586719,
        -139.1274129,
        -66.77137788,
        18.50129954,
        537.4125871
      ],
      "properties": {
        "datetime": "2019-04-03T16:18:41Z",
        "pc:count": 5114293,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 734794.2359,
            "count": 5114293,
            "maximum": 735300.0162,
            "minimum": 734299.9962,
            "name": "X",
            "position": 0,
            "stddev": 286.5947353,
            "variance": 82136.54231
          },
          {
            "average": 2046755.773,
            "count": 5114293,
            "maximum": 2047089.169,
            "minimum": 2046499.989,
            "name": "Y",
            "position": 1,
            "stddev": 149.5720428,
            "variance": 22371.79598
          },
          {
            "average": 0.06881691307,
            "count": 5114293,
            "maximum": 537.4125871,
            "minimum": -139.1274129,
            "name": "Z",
            "position": 2,
            "stddev": 8.883314559,
            "variance": 78.91327755
          },
          {
            "average": 701.2707348,
            "count": 5114293,
            "maximum": 2909,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 537.0842054,
            "variance": 288459.4437
          },
          {
            "average": 1.053583555,
            "count": 5114293,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2389927931,
            "variance": 0.05711755516
          },
          {
            "average": 1.107271719,
            "count": 5114293,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3391113435,
            "variance": 0.1149965033
          },
          {
            "average": 0.424910931,
            "count": 5114293,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4943295252,
            "variance": 0.2443616795
          },
          {
            "average": 0.004587535364,
            "count": 5114293,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06757581503,
            "variance": 0.004566490776
          },
          {
            "average": 26.30990774,
            "count": 5114293,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.9175707,
            "variance": 437.544764
          },
          {
            "average": 0.6959179024,
            "count": 5114293,
            "maximum": 23.30999947,
            "minimum": -23.75399971,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.95878962,
            "variance": 167.9302285
          },
          {
            "average": 1.072422718,
            "count": 5114293,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.10333859,
            "variance": 1.217356044
          },
          {
            "average": 93.78414142,
            "count": 5114293,
            "maximum": 153,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 14.62107961,
            "variance": 213.775969
          },
          {
            "average": 232475982.4,
            "count": 5114293,
            "maximum": 238343521.5,
            "minimum": 232133628.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1412946.742,
            "variance": 1996418496000.0
          },
          {
            "average": 1.072422718,
            "count": 5114293,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.10333859,
            "variance": 1.217356044
          },
          {
            "average": 0,
            "count": 5114293,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5114293,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2125036638,
            "count": 5114293,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4090793192,
            "variance": 0.1673458894
          },
          {
            "average": 0,
            "count": 5114293,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          734299.9962,
          2046499.989,
          -139.1274129,
          735300.0162,
          2047089.169,
          537.4125871
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                734299.996152381,
                2046499.9886867818,
                -139.12741292162676
              ],
              [
                734299.996152381,
                2047089.168686782,
                -139.12741292162676
              ],
              [
                735300.016152381,
                2047089.168686782,
                537.4125870783732
              ],
              [
                735300.016152381,
                2046499.9886867818,
                537.4125870783732
              ],
              [
                734299.996152381,
                2046499.9886867818,
                -139.12741292162676
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:18:41+00:00",
        "end_time": "2019-01-21T19:20:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_734300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_734300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_734300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_734300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.7809128,
            18.49586719,
            -139.1274129,
            -66.77137788,
            18.50129954,
            537.4125871
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.7809127963153,
                  18.495978446931243,
                  -139.12741292162676
                ],
                [
                  -66.78084422517365,
                  18.501299540372987,
                  -139.12741292162676
                ],
                [
                  -66.77137787941248,
                  18.50118824505646,
                  537.4125870783732
                ],
                [
                  -66.77144674247192,
                  18.495867185877888,
                  537.4125870783732
                ],
                [
                  -66.7809127963153,
                  18.495978446931243,
                  -139.12741292162676
                ]
              ]
            ]
          },
          "id": "20190121_734300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_734300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:18:41Z",
            "pc:count": 5114293,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 734794.2359,
                "count": 5114293,
                "maximum": 735300.0162,
                "minimum": 734299.9962,
                "name": "X",
                "position": 0,
                "stddev": 286.5947353,
                "variance": 82136.54231
              },
              {
                "average": 2046755.773,
                "count": 5114293,
                "maximum": 2047089.169,
                "minimum": 2046499.989,
                "name": "Y",
                "position": 1,
                "stddev": 149.5720428,
                "variance": 22371.79598
              },
              {
                "average": 0.06881691307,
                "count": 5114293,
                "maximum": 537.4125871,
                "minimum": -139.1274129,
                "name": "Z",
                "position": 2,
                "stddev": 8.883314559,
                "variance": 78.91327755
              },
              {
                "average": 701.2707348,
                "count": 5114293,
                "maximum": 2909,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 537.0842054,
                "variance": 288459.4437
              },
              {
                "average": 1.053583555,
                "count": 5114293,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2389927931,
                "variance": 0.05711755516
              },
              {
                "average": 1.107271719,
                "count": 5114293,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3391113435,
                "variance": 0.1149965033
              },
              {
                "average": 0.424910931,
                "count": 5114293,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4943295252,
                "variance": 0.2443616795
              },
              {
                "average": 0.004587535364,
                "count": 5114293,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06757581503,
                "variance": 0.004566490776
              },
              {
                "average": 26.30990774,
                "count": 5114293,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.9175707,
                "variance": 437.544764
              },
              {
                "average": 0.6959179024,
                "count": 5114293,
                "maximum": 23.30999947,
                "minimum": -23.75399971,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.95878962,
                "variance": 167.9302285
              },
              {
                "average": 1.072422718,
                "count": 5114293,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.10333859,
                "variance": 1.217356044
              },
              {
                "average": 93.78414142,
                "count": 5114293,
                "maximum": 153,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 14.62107961,
                "variance": 213.775969
              },
              {
                "average": 232475982.4,
                "count": 5114293,
                "maximum": 238343521.5,
                "minimum": 232133628.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1412946.742,
                "variance": 1996418496000.0
              },
              {
                "average": 1.072422718,
                "count": 5114293,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.10333859,
                "variance": 1.217356044
              },
              {
                "average": 0,
                "count": 5114293,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5114293,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2125036638,
                "count": 5114293,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4090793192,
                "variance": 0.1673458894
              },
              {
                "average": 0,
                "count": 5114293,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              734299.9962,
              2046499.989,
              -139.1274129,
              735300.0162,
              2047089.169,
              537.4125871
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    734299.996152381,
                    2046499.9886867818,
                    -139.12741292162676
                  ],
                  [
                    734299.996152381,
                    2047089.168686782,
                    -139.12741292162676
                  ],
                  [
                    735300.016152381,
                    2047089.168686782,
                    537.4125870783732
                  ],
                  [
                    735300.016152381,
                    2046499.9886867818,
                    537.4125870783732
                  ],
                  [
                    734299.996152381,
                    2046499.9886867818,
                    -139.12741292162676
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:18:41+00:00",
            "end_time": "2019-01-21T19:20:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_741300e_2043500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.7150471425354,
              18.46547079218443,
              -109.83087199437222
            ],
            [
              -66.71501235863823,
              18.468096999540737,
              -109.83087199437222
            ],
            [
              -66.70554826649736,
              18.467982609472717,
              485.46912800562785
            ],
            [
              -66.70558319415692,
              18.465356419524277,
              485.46912800562785
            ],
            [
              -66.7150471425354,
              18.46547079218443,
              -109.83087199437222
            ]
          ]
        ]
      },
      "bbox": [
        -66.71504714,
        18.46535642,
        -109.830872,
        -66.70554827,
        18.468097,
        485.469128
      ],
      "properties": {
        "datetime": "2019-01-21T13:01:14Z",
        "pc:count": 5040701,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 741784.5546,
            "count": 5040701,
            "maximum": 742300.0152,
            "minimum": 741299.9952,
            "name": "X",
            "position": 0,
            "stddev": 268.6694122,
            "variance": 72183.25305
          },
          {
            "average": 2043356.162,
            "count": 5040701,
            "maximum": 2043500.007,
            "minimum": 2043209.207,
            "name": "Y",
            "position": 1,
            "stddev": 71.29702622,
            "variance": 5083.265948
          },
          {
            "average": 3.443188278,
            "count": 5040701,
            "maximum": 485.469128,
            "minimum": -109.830872,
            "name": "Z",
            "position": 2,
            "stddev": 6.593788025,
            "variance": 43.47804052
          },
          {
            "average": 1298.638553,
            "count": 5040701,
            "maximum": 4253,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 600.6281328,
            "variance": 360754.1539
          },
          {
            "average": 2.158649164,
            "count": 5040701,
            "maximum": 8,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.60236355,
            "variance": 2.567568946
          },
          {
            "average": 3.317809963,
            "count": 5040701,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.280764495,
            "variance": 5.201886684
          },
          {
            "average": 0.3733318044,
            "count": 5040701,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4836891715,
            "variance": 0.2339552146
          },
          {
            "average": 0.00111909038,
            "count": 5040701,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03343408798,
            "variance": 0.001117838239
          },
          {
            "average": 1.362104001,
            "count": 5040701,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.406205798,
            "variance": 11.60223794
          },
          {
            "average": 9.759150798,
            "count": 5040701,
            "maximum": 22.00200081,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.153435322,
            "variance": 66.47850755
          },
          {
            "average": 0.9725389385,
            "count": 5040701,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.106852051,
            "variance": 1.225121463
          },
          {
            "average": 58.00068125,
            "count": 5040701,
            "maximum": 59,
            "minimum": 58,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.02609196198,
            "variance": 0.0006807904799
          },
          {
            "average": 232110605.6,
            "count": 5040701,
            "maximum": 232110874.8,
            "minimum": 232110595.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 8.386731045,
            "variance": 70.33725762
          },
          {
            "average": 0.9725389385,
            "count": 5040701,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.106852051,
            "variance": 1.225121463
          },
          {
            "average": 0,
            "count": 5040701,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5040701,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2175877919,
            "count": 5040701,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4126055967,
            "variance": 0.1702433785
          },
          {
            "average": 0,
            "count": 5040701,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          741299.9952,
          2043209.207,
          -109.830872,
          742300.0152,
          2043500.007,
          485.469128
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                741299.9952447094,
                2043209.20722787,
                -109.83087199437222
              ],
              [
                741299.9952447094,
                2043500.0072278697,
                -109.83087199437222
              ],
              [
                742300.0152447094,
                2043500.0072278697,
                485.46912800562785
              ],
              [
                742300.0152447094,
                2043209.20722787,
                485.46912800562785
              ],
              [
                741299.9952447094,
                2043209.20722787,
                -109.83087199437222
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T13:01:14+00:00",
        "end_time": "2019-01-21T12:56:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_741300e_2043500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_741300e_2043500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_741300e_2043500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_741300e_2043500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.71504714,
            18.46535642,
            -109.830872,
            -66.70554827,
            18.468097,
            485.469128
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.7150471425354,
                  18.46547079218443,
                  -109.83087199437222
                ],
                [
                  -66.71501235863823,
                  18.468096999540737,
                  -109.83087199437222
                ],
                [
                  -66.70554826649736,
                  18.467982609472717,
                  485.46912800562785
                ],
                [
                  -66.70558319415692,
                  18.465356419524277,
                  485.46912800562785
                ],
                [
                  -66.7150471425354,
                  18.46547079218443,
                  -109.83087199437222
                ]
              ]
            ]
          },
          "id": "20190121_741300e_2043500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_741300e_2043500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T13:01:14Z",
            "pc:count": 5040701,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 741784.5546,
                "count": 5040701,
                "maximum": 742300.0152,
                "minimum": 741299.9952,
                "name": "X",
                "position": 0,
                "stddev": 268.6694122,
                "variance": 72183.25305
              },
              {
                "average": 2043356.162,
                "count": 5040701,
                "maximum": 2043500.007,
                "minimum": 2043209.207,
                "name": "Y",
                "position": 1,
                "stddev": 71.29702622,
                "variance": 5083.265948
              },
              {
                "average": 3.443188278,
                "count": 5040701,
                "maximum": 485.469128,
                "minimum": -109.830872,
                "name": "Z",
                "position": 2,
                "stddev": 6.593788025,
                "variance": 43.47804052
              },
              {
                "average": 1298.638553,
                "count": 5040701,
                "maximum": 4253,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 600.6281328,
                "variance": 360754.1539
              },
              {
                "average": 2.158649164,
                "count": 5040701,
                "maximum": 8,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.60236355,
                "variance": 2.567568946
              },
              {
                "average": 3.317809963,
                "count": 5040701,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.280764495,
                "variance": 5.201886684
              },
              {
                "average": 0.3733318044,
                "count": 5040701,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4836891715,
                "variance": 0.2339552146
              },
              {
                "average": 0.00111909038,
                "count": 5040701,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03343408798,
                "variance": 0.001117838239
              },
              {
                "average": 1.362104001,
                "count": 5040701,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.406205798,
                "variance": 11.60223794
              },
              {
                "average": 9.759150798,
                "count": 5040701,
                "maximum": 22.00200081,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.153435322,
                "variance": 66.47850755
              },
              {
                "average": 0.9725389385,
                "count": 5040701,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.106852051,
                "variance": 1.225121463
              },
              {
                "average": 58.00068125,
                "count": 5040701,
                "maximum": 59,
                "minimum": 58,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.02609196198,
                "variance": 0.0006807904799
              },
              {
                "average": 232110605.6,
                "count": 5040701,
                "maximum": 232110874.8,
                "minimum": 232110595.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 8.386731045,
                "variance": 70.33725762
              },
              {
                "average": 0.9725389385,
                "count": 5040701,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.106852051,
                "variance": 1.225121463
              },
              {
                "average": 0,
                "count": 5040701,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5040701,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2175877919,
                "count": 5040701,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4126055967,
                "variance": 0.1702433785
              },
              {
                "average": 0,
                "count": 5040701,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              741299.9952,
              2043209.207,
              -109.830872,
              742300.0152,
              2043500.007,
              485.469128
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    741299.9952447094,
                    2043209.20722787,
                    -109.83087199437222
                  ],
                  [
                    741299.9952447094,
                    2043500.0072278697,
                    -109.83087199437222
                  ],
                  [
                    742300.0152447094,
                    2043500.0072278697,
                    485.46912800562785
                  ],
                  [
                    742300.0152447094,
                    2043209.20722787,
                    485.46912800562785
                  ],
                  [
                    741299.9952447094,
                    2043209.20722787,
                    -109.83087199437222
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T13:01:14+00:00",
            "end_time": "2019-01-21T12:56:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_736300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.7619811819725,
              18.495755446869296,
              -124.88280485194593
            ],
            [
              -66.76191927719408,
              18.50051870253726,
              -124.88280485194593
            ],
            [
              -66.75245309697169,
              18.50040646515773,
              454.037195148054
            ],
            [
              -66.75251526304615,
              18.495643240421785,
              454.037195148054
            ],
            [
              -66.7619811819725,
              18.495755446869296,
              -124.88280485194593
            ]
          ]
        ]
      },
      "bbox": [
        -66.76198118,
        18.49564324,
        -124.8828049,
        -66.7524531,
        18.5005187,
        454.0371951
      ],
      "properties": {
        "datetime": "2019-04-03T16:18:13Z",
        "pc:count": 1136857,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 736539.6586,
            "count": 1136857,
            "maximum": 737300.0112,
            "minimum": 736299.9912,
            "name": "X",
            "position": 0,
            "stddev": 212.2701431,
            "variance": 45058.61365
          },
          {
            "average": 2046771.412,
            "count": 1136857,
            "maximum": 2047027.408,
            "minimum": 2046499.988,
            "name": "Y",
            "position": 1,
            "stddev": 161.8305027,
            "variance": 26189.11159
          },
          {
            "average": 0.03017462568,
            "count": 1136857,
            "maximum": 454.0371951,
            "minimum": -124.8828049,
            "name": "Z",
            "position": 2,
            "stddev": 7.222546525,
            "variance": 52.16517831
          },
          {
            "average": 726.7109768,
            "count": 1136857,
            "maximum": 2744,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 521.1334878,
            "variance": 271580.1121
          },
          {
            "average": 1.033037576,
            "count": 1136857,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.185544195,
            "variance": 0.03442664829
          },
          {
            "average": 1.066135846,
            "count": 1136857,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2630823493,
            "variance": 0.0692123225
          },
          {
            "average": 0.5505019541,
            "count": 1136857,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4974432332,
            "variance": 0.2474497703
          },
          {
            "average": 0.006523247867,
            "count": 1136857,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08050279998,
            "variance": 0.006480700805
          },
          {
            "average": 23.93545802,
            "count": 1136857,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.10926051,
            "variance": 445.6008793
          },
          {
            "average": 3.672712972,
            "count": 1136857,
            "maximum": 21,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.2245739,
            "variance": 174.8893547
          },
          {
            "average": 1.103368322,
            "count": 1136857,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9958314495,
            "variance": 0.9916802759
          },
          {
            "average": 104.9630244,
            "count": 1136857,
            "maximum": 153,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 24.37342929,
            "variance": 594.0640553
          },
          {
            "average": 233404295.1,
            "count": 1136857,
            "maximum": 238343493.7,
            "minimum": 232133657.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2502034.93,
            "variance": 6260178789000.0
          },
          {
            "average": 1.103368322,
            "count": 1136857,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9958314495,
            "variance": 0.9916802759
          },
          {
            "average": 0,
            "count": 1136857,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1136857,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2989065467,
            "count": 1136857,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.457778994,
            "variance": 0.2095616074
          },
          {
            "average": 0,
            "count": 1136857,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          736299.9912,
          2046499.988,
          -124.8828049,
          737300.0112,
          2047027.408,
          454.0371951
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                736299.9911593657,
                2046499.9875487376,
                -124.88280485194593
              ],
              [
                736299.9911593657,
                2047027.4075487375,
                -124.88280485194593
              ],
              [
                737300.0111593658,
                2047027.4075487375,
                454.037195148054
              ],
              [
                737300.0111593658,
                2046499.9875487376,
                454.037195148054
              ],
              [
                736299.9911593657,
                2046499.9875487376,
                -124.88280485194593
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:18:13+00:00",
        "end_time": "2019-01-21T19:20:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_736300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_736300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_736300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_736300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.76198118,
            18.49564324,
            -124.8828049,
            -66.7524531,
            18.5005187,
            454.0371951
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.7619811819725,
                  18.495755446869296,
                  -124.88280485194593
                ],
                [
                  -66.76191927719408,
                  18.50051870253726,
                  -124.88280485194593
                ],
                [
                  -66.75245309697169,
                  18.50040646515773,
                  454.037195148054
                ],
                [
                  -66.75251526304615,
                  18.495643240421785,
                  454.037195148054
                ],
                [
                  -66.7619811819725,
                  18.495755446869296,
                  -124.88280485194593
                ]
              ]
            ]
          },
          "id": "20190121_736300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_736300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:18:13Z",
            "pc:count": 1136857,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 736539.6586,
                "count": 1136857,
                "maximum": 737300.0112,
                "minimum": 736299.9912,
                "name": "X",
                "position": 0,
                "stddev": 212.2701431,
                "variance": 45058.61365
              },
              {
                "average": 2046771.412,
                "count": 1136857,
                "maximum": 2047027.408,
                "minimum": 2046499.988,
                "name": "Y",
                "position": 1,
                "stddev": 161.8305027,
                "variance": 26189.11159
              },
              {
                "average": 0.03017462568,
                "count": 1136857,
                "maximum": 454.0371951,
                "minimum": -124.8828049,
                "name": "Z",
                "position": 2,
                "stddev": 7.222546525,
                "variance": 52.16517831
              },
              {
                "average": 726.7109768,
                "count": 1136857,
                "maximum": 2744,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 521.1334878,
                "variance": 271580.1121
              },
              {
                "average": 1.033037576,
                "count": 1136857,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.185544195,
                "variance": 0.03442664829
              },
              {
                "average": 1.066135846,
                "count": 1136857,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2630823493,
                "variance": 0.0692123225
              },
              {
                "average": 0.5505019541,
                "count": 1136857,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4974432332,
                "variance": 0.2474497703
              },
              {
                "average": 0.006523247867,
                "count": 1136857,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08050279998,
                "variance": 0.006480700805
              },
              {
                "average": 23.93545802,
                "count": 1136857,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.10926051,
                "variance": 445.6008793
              },
              {
                "average": 3.672712972,
                "count": 1136857,
                "maximum": 21,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.2245739,
                "variance": 174.8893547
              },
              {
                "average": 1.103368322,
                "count": 1136857,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9958314495,
                "variance": 0.9916802759
              },
              {
                "average": 104.9630244,
                "count": 1136857,
                "maximum": 153,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 24.37342929,
                "variance": 594.0640553
              },
              {
                "average": 233404295.1,
                "count": 1136857,
                "maximum": 238343493.7,
                "minimum": 232133657.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2502034.93,
                "variance": 6260178789000.0
              },
              {
                "average": 1.103368322,
                "count": 1136857,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9958314495,
                "variance": 0.9916802759
              },
              {
                "average": 0,
                "count": 1136857,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1136857,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2989065467,
                "count": 1136857,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.457778994,
                "variance": 0.2095616074
              },
              {
                "average": 0,
                "count": 1136857,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              736299.9912,
              2046499.988,
              -124.8828049,
              737300.0112,
              2047027.408,
              454.0371951
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    736299.9911593657,
                    2046499.9875487376,
                    -124.88280485194593
                  ],
                  [
                    736299.9911593657,
                    2047027.4075487375,
                    -124.88280485194593
                  ],
                  [
                    737300.0111593658,
                    2047027.4075487375,
                    454.037195148054
                  ],
                  [
                    737300.0111593658,
                    2046499.9875487376,
                    454.037195148054
                  ],
                  [
                    736299.9911593657,
                    2046499.9875487376,
                    -124.88280485194593
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:18:13+00:00",
            "end_time": "2019-01-21T19:20:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_689300e_2034500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.20815996568697,
              18.38305644301913,
              -111.96546199175381
            ],
            [
              -67.20806658323954,
              18.392090455105706,
              -111.96546199175381
            ],
            [
              -67.19860372747722,
              18.392001043958388,
              568.4545380082461
            ],
            [
              -67.19869760241107,
              18.382967078842775,
              568.4545380082461
            ],
            [
              -67.20815996568697,
              18.38305644301913,
              -111.96546199175381
            ]
          ]
        ]
      },
      "bbox": [
        -67.20815997,
        18.38296708,
        -111.965462,
        -67.19860373,
        18.39209046,
        568.454538
      ],
      "properties": {
        "datetime": "2019-02-01T17:07:49Z",
        "pc:count": 42873108,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 689748.084,
            "count": 42873108,
            "maximum": 690300.0103,
            "minimum": 689299.9903,
            "name": "X",
            "position": 0,
            "stddev": 256.546971,
            "variance": 65816.34834
          },
          {
            "average": 2034012.48,
            "count": 42873108,
            "maximum": 2034500,
            "minimum": 2033499.98,
            "name": "Y",
            "position": 1,
            "stddev": 295.0335574,
            "variance": 87044.79999
          },
          {
            "average": 14.09790586,
            "count": 42873108,
            "maximum": 568.454538,
            "minimum": -111.965462,
            "name": "Z",
            "position": 2,
            "stddev": 17.80041366,
            "variance": 316.8547264
          },
          {
            "average": 1016.919928,
            "count": 42873108,
            "maximum": 4729,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 615.5900814,
            "variance": 378951.1483
          },
          {
            "average": 2.423749078,
            "count": 42873108,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.621713916,
            "variance": 2.629956025
          },
          {
            "average": 3.847932485,
            "count": 42873108,
            "maximum": 12,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.106961778,
            "variance": 4.439287933
          },
          {
            "average": 0.3307127862,
            "count": 42873108,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4704698124,
            "variance": 0.2213418444
          },
          {
            "average": 0.0009827139194,
            "count": 42873108,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03133286159,
            "variance": 0.0009817482157
          },
          {
            "average": 11.53327342,
            "count": 42873108,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 18.49340293,
            "variance": 342.005952
          },
          {
            "average": -2.265101004,
            "count": 42873108,
            "maximum": 21.8579998,
            "minimum": -22.11599922,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.50349086,
            "variance": 182.3442653
          },
          {
            "average": 0.7558469752,
            "count": 42873108,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.017256471,
            "variance": 1.034810727
          },
          {
            "average": 150.215672,
            "count": 42873108,
            "maximum": 396,
            "minimum": 100,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 98.03186646,
            "variance": 9610.246842
          },
          {
            "average": 232726885.3,
            "count": 42873108,
            "maximum": 233076069.9,
            "minimum": 232540154.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 254902.6749,
            "variance": 64975373650.0
          },
          {
            "average": 0.7875641766,
            "count": 42873108,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.008749348,
            "variance": 1.017575246
          },
          {
            "average": 0,
            "count": 42873108,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42873108,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2563542163,
            "count": 42873108,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4366196703,
            "variance": 0.1906367365
          },
          {
            "average": 0,
            "count": 42873108,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          689299.9903,
          2033499.98,
          -111.965462,
          690300.0103,
          2034500,
          568.454538
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                689299.9903207379,
                2033499.9795263908,
                -111.96546199175381
              ],
              [
                689299.9903207379,
                2034499.9995263908,
                -111.96546199175381
              ],
              [
                690300.010320738,
                2034499.9995263908,
                568.4545380082461
              ],
              [
                690300.010320738,
                2033499.9795263908,
                568.4545380082461
              ],
              [
                689299.9903207379,
                2033499.9795263908,
                -111.96546199175381
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-02-01T17:07:49+00:00",
        "end_time": "2019-01-26T12:15:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_689300e_2034500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_689300e_2034500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_689300e_2034500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2034500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.20815997,
            18.38296708,
            -111.965462,
            -67.19860373,
            18.39209046,
            568.454538
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.20815996568697,
                  18.38305644301913,
                  -111.96546199175381
                ],
                [
                  -67.20806658323954,
                  18.392090455105706,
                  -111.96546199175381
                ],
                [
                  -67.19860372747722,
                  18.392001043958388,
                  568.4545380082461
                ],
                [
                  -67.19869760241107,
                  18.382967078842775,
                  568.4545380082461
                ],
                [
                  -67.20815996568697,
                  18.38305644301913,
                  -111.96546199175381
                ]
              ]
            ]
          },
          "id": "20190126_689300e_2034500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_689300e_2034500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-02-01T17:07:49Z",
            "pc:count": 42873108,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 689748.084,
                "count": 42873108,
                "maximum": 690300.0103,
                "minimum": 689299.9903,
                "name": "X",
                "position": 0,
                "stddev": 256.546971,
                "variance": 65816.34834
              },
              {
                "average": 2034012.48,
                "count": 42873108,
                "maximum": 2034500,
                "minimum": 2033499.98,
                "name": "Y",
                "position": 1,
                "stddev": 295.0335574,
                "variance": 87044.79999
              },
              {
                "average": 14.09790586,
                "count": 42873108,
                "maximum": 568.454538,
                "minimum": -111.965462,
                "name": "Z",
                "position": 2,
                "stddev": 17.80041366,
                "variance": 316.8547264
              },
              {
                "average": 1016.919928,
                "count": 42873108,
                "maximum": 4729,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 615.5900814,
                "variance": 378951.1483
              },
              {
                "average": 2.423749078,
                "count": 42873108,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.621713916,
                "variance": 2.629956025
              },
              {
                "average": 3.847932485,
                "count": 42873108,
                "maximum": 12,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.106961778,
                "variance": 4.439287933
              },
              {
                "average": 0.3307127862,
                "count": 42873108,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4704698124,
                "variance": 0.2213418444
              },
              {
                "average": 0.0009827139194,
                "count": 42873108,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03133286159,
                "variance": 0.0009817482157
              },
              {
                "average": 11.53327342,
                "count": 42873108,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 18.49340293,
                "variance": 342.005952
              },
              {
                "average": -2.265101004,
                "count": 42873108,
                "maximum": 21.8579998,
                "minimum": -22.11599922,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.50349086,
                "variance": 182.3442653
              },
              {
                "average": 0.7558469752,
                "count": 42873108,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.017256471,
                "variance": 1.034810727
              },
              {
                "average": 150.215672,
                "count": 42873108,
                "maximum": 396,
                "minimum": 100,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 98.03186646,
                "variance": 9610.246842
              },
              {
                "average": 232726885.3,
                "count": 42873108,
                "maximum": 233076069.9,
                "minimum": 232540154.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 254902.6749,
                "variance": 64975373650.0
              },
              {
                "average": 0.7875641766,
                "count": 42873108,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.008749348,
                "variance": 1.017575246
              },
              {
                "average": 0,
                "count": 42873108,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42873108,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2563542163,
                "count": 42873108,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4366196703,
                "variance": 0.1906367365
              },
              {
                "average": 0,
                "count": 42873108,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              689299.9903,
              2033499.98,
              -111.965462,
              690300.0103,
              2034500,
              568.454538
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    689299.9903207379,
                    2033499.9795263908,
                    -111.96546199175381
                  ],
                  [
                    689299.9903207379,
                    2034499.9995263908,
                    -111.96546199175381
                  ],
                  [
                    690300.010320738,
                    2034499.9995263908,
                    568.4545380082461
                  ],
                  [
                    690300.010320738,
                    2033499.9795263908,
                    568.4545380082461
                  ],
                  [
                    689299.9903207379,
                    2033499.9795263908,
                    -111.96546199175381
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-02-01T17:07:49+00:00",
            "end_time": "2019-01-26T12:15:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_728300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.83782279256262,
              18.487604284323297,
              -124.00927120171758
            ],
            [
              -66.83770943123504,
              18.496636170555668,
              -124.00927120171758
            ],
            [
              -66.82824297948062,
              18.496527746041703,
              546.6707287982824
            ],
            [
              -66.82835683615222,
              18.487495916477712,
              546.6707287982824
            ],
            [
              -66.83782279256262,
              18.487604284323297,
              -124.00927120171758
            ]
          ]
        ]
      },
      "bbox": [
        -66.83782279,
        18.48749592,
        -124.0092712,
        -66.82824298,
        18.49663617,
        546.6707288
      ],
      "properties": {
        "datetime": "2019-01-21T20:01:43Z",
        "pc:count": 20889393,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 728800.6046,
            "count": 20889393,
            "maximum": 729300.0107,
            "minimum": 728299.9907,
            "name": "X",
            "position": 0,
            "stddev": 288.13428,
            "variance": 83021.36331
          },
          {
            "average": 2045902.028,
            "count": 20889393,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 264.568245,
            "variance": 69996.35624
          },
          {
            "average": -3.940743511,
            "count": 20889393,
            "maximum": 546.6707288,
            "minimum": -124.0092712,
            "name": "Z",
            "position": 2,
            "stddev": 9.273399257,
            "variance": 85.99593378
          },
          {
            "average": 565.2290744,
            "count": 20889393,
            "maximum": 3456,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 488.8767872,
            "variance": 239000.513
          },
          {
            "average": 1.750464602,
            "count": 20889393,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9990621958,
            "variance": 0.9981252711
          },
          {
            "average": 2.501033659,
            "count": 20889393,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.296309517,
            "variance": 1.680418364
          },
          {
            "average": 0.494948465,
            "count": 20889393,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4999744933,
            "variance": 0.249974494
          },
          {
            "average": 0.001824610222,
            "count": 20889393,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04267647018,
            "variance": 0.001821281107
          },
          {
            "average": 25.66786263,
            "count": 20889393,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.15844026,
            "variance": 447.6795943
          },
          {
            "average": 0.008322982449,
            "count": 20889393,
            "maximum": 25.73399925,
            "minimum": -23.63400078,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.64070999,
            "variance": 186.0689691
          },
          {
            "average": 0.7064081757,
            "count": 20889393,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.79392321,
            "variance": 0.6303140634
          },
          {
            "average": 88.92050334,
            "count": 20889393,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.176981441,
            "variance": 1.385285311
          },
          {
            "average": 232135079.5,
            "count": 20889393,
            "maximum": 232136103.3,
            "minimum": 232133539.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 638.8363886,
            "variance": 408111.9314
          },
          {
            "average": 0.7064076491,
            "count": 20889393,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.7939233469,
            "variance": 0.6303142808
          },
          {
            "average": 0,
            "count": 20889393,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20889393,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2493605726,
            "count": 20889393,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4326429086,
            "variance": 0.1871798864
          },
          {
            "average": 0,
            "count": 20889393,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          728299.9907,
          2045499.979,
          -124.0092712,
          729300.0107,
          2046499.999,
          546.6707288
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                728299.9907277257,
                2045499.979485146,
                -124.00927120171758
              ],
              [
                728299.9907277257,
                2046499.999485146,
                -124.00927120171758
              ],
              [
                729300.0107277257,
                2046499.999485146,
                546.6707287982824
              ],
              [
                729300.0107277257,
                2045499.979485146,
                546.6707287982824
              ],
              [
                728299.9907277257,
                2045499.979485146,
                -124.00927120171758
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:01:43+00:00",
        "end_time": "2019-01-21T19:18:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_728300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_728300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_728300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_728300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.83782279,
            18.48749592,
            -124.0092712,
            -66.82824298,
            18.49663617,
            546.6707288
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.83782279256262,
                  18.487604284323297,
                  -124.00927120171758
                ],
                [
                  -66.83770943123504,
                  18.496636170555668,
                  -124.00927120171758
                ],
                [
                  -66.82824297948062,
                  18.496527746041703,
                  546.6707287982824
                ],
                [
                  -66.82835683615222,
                  18.487495916477712,
                  546.6707287982824
                ],
                [
                  -66.83782279256262,
                  18.487604284323297,
                  -124.00927120171758
                ]
              ]
            ]
          },
          "id": "20190121_728300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_728300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:01:43Z",
            "pc:count": 20889393,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 728800.6046,
                "count": 20889393,
                "maximum": 729300.0107,
                "minimum": 728299.9907,
                "name": "X",
                "position": 0,
                "stddev": 288.13428,
                "variance": 83021.36331
              },
              {
                "average": 2045902.028,
                "count": 20889393,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 264.568245,
                "variance": 69996.35624
              },
              {
                "average": -3.940743511,
                "count": 20889393,
                "maximum": 546.6707288,
                "minimum": -124.0092712,
                "name": "Z",
                "position": 2,
                "stddev": 9.273399257,
                "variance": 85.99593378
              },
              {
                "average": 565.2290744,
                "count": 20889393,
                "maximum": 3456,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 488.8767872,
                "variance": 239000.513
              },
              {
                "average": 1.750464602,
                "count": 20889393,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9990621958,
                "variance": 0.9981252711
              },
              {
                "average": 2.501033659,
                "count": 20889393,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.296309517,
                "variance": 1.680418364
              },
              {
                "average": 0.494948465,
                "count": 20889393,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4999744933,
                "variance": 0.249974494
              },
              {
                "average": 0.001824610222,
                "count": 20889393,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04267647018,
                "variance": 0.001821281107
              },
              {
                "average": 25.66786263,
                "count": 20889393,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.15844026,
                "variance": 447.6795943
              },
              {
                "average": 0.008322982449,
                "count": 20889393,
                "maximum": 25.73399925,
                "minimum": -23.63400078,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.64070999,
                "variance": 186.0689691
              },
              {
                "average": 0.7064081757,
                "count": 20889393,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.79392321,
                "variance": 0.6303140634
              },
              {
                "average": 88.92050334,
                "count": 20889393,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.176981441,
                "variance": 1.385285311
              },
              {
                "average": 232135079.5,
                "count": 20889393,
                "maximum": 232136103.3,
                "minimum": 232133539.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 638.8363886,
                "variance": 408111.9314
              },
              {
                "average": 0.7064076491,
                "count": 20889393,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.7939233469,
                "variance": 0.6303142808
              },
              {
                "average": 0,
                "count": 20889393,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20889393,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2493605726,
                "count": 20889393,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4326429086,
                "variance": 0.1871798864
              },
              {
                "average": 0,
                "count": 20889393,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              728299.9907,
              2045499.979,
              -124.0092712,
              729300.0107,
              2046499.999,
              546.6707288
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    728299.9907277257,
                    2045499.979485146,
                    -124.00927120171758
                  ],
                  [
                    728299.9907277257,
                    2046499.999485146,
                    -124.00927120171758
                  ],
                  [
                    729300.0107277257,
                    2046499.999485146,
                    546.6707287982824
                  ],
                  [
                    729300.0107277257,
                    2045499.979485146,
                    546.6707287982824
                  ],
                  [
                    728299.9907277257,
                    2045499.979485146,
                    -124.00927120171758
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:01:43+00:00",
            "end_time": "2019-01-21T19:18:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_736300e_2044500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.76227225710815,
              18.473339933419755,
              -101.89722591623419
            ],
            [
              -66.76221576499528,
              18.477693001501166,
              -101.89722591623419
            ],
            [
              -66.75275083619137,
              18.477580912334357,
              498.42277408376583
            ],
            [
              -66.75280756675397,
              18.473227872514034,
              498.42277408376583
            ],
            [
              -66.76227225710815,
              18.473339933419755,
              -101.89722591623419
            ]
          ]
        ]
      },
      "bbox": [
        -66.76227226,
        18.47322787,
        -101.8972259,
        -66.75275084,
        18.477693,
        498.4227741
      ],
      "properties": {
        "datetime": "2019-01-21T14:04:32Z",
        "pc:count": 5880935,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 736853.0457,
            "count": 5880935,
            "maximum": 737300.0102,
            "minimum": 736299.9902,
            "name": "X",
            "position": 0,
            "stddev": 269.6873987,
            "variance": 72731.29299
          },
          {
            "average": 2044306.415,
            "count": 5880935,
            "maximum": 2044499.994,
            "minimum": 2044017.994,
            "name": "Y",
            "position": 1,
            "stddev": 124.8308468,
            "variance": 15582.74031
          },
          {
            "average": 32.06583966,
            "count": 5880935,
            "maximum": 498.4227741,
            "minimum": -101.8972259,
            "name": "Z",
            "position": 2,
            "stddev": 11.38927929,
            "variance": 129.7156827
          },
          {
            "average": 1827.922108,
            "count": 5880935,
            "maximum": 5042,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 461.8076062,
            "variance": 213266.2651
          },
          {
            "average": 1.276976535,
            "count": 5880935,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7840296932,
            "variance": 0.6147025599
          },
          {
            "average": 1.554136205,
            "count": 5880935,
            "maximum": 9,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.221194035,
            "variance": 1.49131487
          },
          {
            "average": 1.02024593e-06,
            "count": 5880935,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.001010071811,
            "variance": 1.020245063e-06
          },
          {
            "average": 0,
            "count": 5880935,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.369090289,
            "count": 5880935,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.78058183,
            "variance": 0.6093079934
          },
          {
            "average": -4.330111941,
            "count": 5880935,
            "maximum": 22.99799919,
            "minimum": -22.99799919,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.0373603,
            "variance": 169.9727637
          },
          {
            "average": 1.258293622,
            "count": 5880935,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.200705956,
            "variance": 1.441694792
          },
          {
            "average": 65.34871615,
            "count": 5880935,
            "maximum": 66,
            "minimum": 65,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4765639881,
            "variance": 0.2271132348
          },
          {
            "average": 232114345.5,
            "count": 5880935,
            "maximum": 232114672.3,
            "minimum": 232114169.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 232.5900125,
            "variance": 54098.11393
          },
          {
            "average": 3.060737791e-06,
            "count": 5880935,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.002672398428,
            "variance": 7.141713358e-06
          },
          {
            "average": 0,
            "count": 5880935,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5880935,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2506385464,
            "count": 5880935,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4333807765,
            "variance": 0.1878188974
          },
          {
            "average": 0,
            "count": 5880935,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          736299.9902,
          2044017.994,
          -101.8972259,
          737300.0102,
          2044499.994,
          498.4227741
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                736299.9902188617,
                2044017.9935893645,
                -101.89722591623419
              ],
              [
                736299.9902188617,
                2044499.9935893645,
                -101.89722591623419
              ],
              [
                737300.0102188617,
                2044499.9935893645,
                498.42277408376583
              ],
              [
                737300.0102188617,
                2044017.9935893645,
                498.42277408376583
              ],
              [
                736299.9902188617,
                2044017.9935893645,
                -101.89722591623419
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T14:04:32+00:00",
        "end_time": "2019-01-21T13:56:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_736300e_2044500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_736300e_2044500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_736300e_2044500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_736300e_2044500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.76227226,
            18.47322787,
            -101.8972259,
            -66.75275084,
            18.477693,
            498.4227741
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.76227225710815,
                  18.473339933419755,
                  -101.89722591623419
                ],
                [
                  -66.76221576499528,
                  18.477693001501166,
                  -101.89722591623419
                ],
                [
                  -66.75275083619137,
                  18.477580912334357,
                  498.42277408376583
                ],
                [
                  -66.75280756675397,
                  18.473227872514034,
                  498.42277408376583
                ],
                [
                  -66.76227225710815,
                  18.473339933419755,
                  -101.89722591623419
                ]
              ]
            ]
          },
          "id": "20190121_736300e_2044500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_736300e_2044500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T14:04:32Z",
            "pc:count": 5880935,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 736853.0457,
                "count": 5880935,
                "maximum": 737300.0102,
                "minimum": 736299.9902,
                "name": "X",
                "position": 0,
                "stddev": 269.6873987,
                "variance": 72731.29299
              },
              {
                "average": 2044306.415,
                "count": 5880935,
                "maximum": 2044499.994,
                "minimum": 2044017.994,
                "name": "Y",
                "position": 1,
                "stddev": 124.8308468,
                "variance": 15582.74031
              },
              {
                "average": 32.06583966,
                "count": 5880935,
                "maximum": 498.4227741,
                "minimum": -101.8972259,
                "name": "Z",
                "position": 2,
                "stddev": 11.38927929,
                "variance": 129.7156827
              },
              {
                "average": 1827.922108,
                "count": 5880935,
                "maximum": 5042,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 461.8076062,
                "variance": 213266.2651
              },
              {
                "average": 1.276976535,
                "count": 5880935,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7840296932,
                "variance": 0.6147025599
              },
              {
                "average": 1.554136205,
                "count": 5880935,
                "maximum": 9,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.221194035,
                "variance": 1.49131487
              },
              {
                "average": 1.02024593e-06,
                "count": 5880935,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.001010071811,
                "variance": 1.020245063e-06
              },
              {
                "average": 0,
                "count": 5880935,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.369090289,
                "count": 5880935,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.78058183,
                "variance": 0.6093079934
              },
              {
                "average": -4.330111941,
                "count": 5880935,
                "maximum": 22.99799919,
                "minimum": -22.99799919,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.0373603,
                "variance": 169.9727637
              },
              {
                "average": 1.258293622,
                "count": 5880935,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.200705956,
                "variance": 1.441694792
              },
              {
                "average": 65.34871615,
                "count": 5880935,
                "maximum": 66,
                "minimum": 65,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4765639881,
                "variance": 0.2271132348
              },
              {
                "average": 232114345.5,
                "count": 5880935,
                "maximum": 232114672.3,
                "minimum": 232114169.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 232.5900125,
                "variance": 54098.11393
              },
              {
                "average": 3.060737791e-06,
                "count": 5880935,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.002672398428,
                "variance": 7.141713358e-06
              },
              {
                "average": 0,
                "count": 5880935,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5880935,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2506385464,
                "count": 5880935,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4333807765,
                "variance": 0.1878188974
              },
              {
                "average": 0,
                "count": 5880935,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              736299.9902,
              2044017.994,
              -101.8972259,
              737300.0102,
              2044499.994,
              498.4227741
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    736299.9902188617,
                    2044017.9935893645,
                    -101.89722591623419
                  ],
                  [
                    736299.9902188617,
                    2044499.9935893645,
                    -101.89722591623419
                  ],
                  [
                    737300.0102188617,
                    2044499.9935893645,
                    498.42277408376583
                  ],
                  [
                    737300.0102188617,
                    2044017.9935893645,
                    498.42277408376583
                  ],
                  [
                    736299.9902188617,
                    2044017.9935893645,
                    -101.89722591623419
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T14:04:32+00:00",
            "end_time": "2019-01-21T13:56:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190207_737300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.75263327982748,
              18.4866119863825,
              -111.02794244195815
            ],
            [
              -66.75251546106989,
              18.49564335371721,
              -111.02794244195815
            ],
            [
              -66.74304961002355,
              18.495530674593198,
              477.11205755804184
            ],
            [
              -66.74316792397993,
              18.4864993661499,
              477.11205755804184
            ],
            [
              -66.75263327982748,
              18.4866119863825,
              -111.02794244195815
            ]
          ]
        ]
      },
      "bbox": [
        -66.75263328,
        18.48649937,
        -111.0279424,
        -66.74304961,
        18.49564335,
        477.1120576
      ],
      "properties": {
        "datetime": "2019-04-03T16:18:00Z",
        "pc:count": 6817925,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 737802.7977,
            "count": 6817925,
            "maximum": 738300.0101,
            "minimum": 737299.9901,
            "name": "X",
            "position": 0,
            "stddev": 287.0940066,
            "variance": 82422.96863
          },
          {
            "average": 2046021.664,
            "count": 6817925,
            "maximum": 2046500,
            "minimum": 2045499.98,
            "name": "Y",
            "position": 1,
            "stddev": 263.5355697,
            "variance": 69450.99648
          },
          {
            "average": -0.01120247929,
            "count": 6817925,
            "maximum": 477.1120576,
            "minimum": -111.0279424,
            "name": "Z",
            "position": 2,
            "stddev": 5.659622352,
            "variance": 32.03132516
          },
          {
            "average": 722.430932,
            "count": 6817925,
            "maximum": 5010,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 533.0028464,
            "variance": 284092.0342
          },
          {
            "average": 1.033759392,
            "count": 6817925,
            "maximum": 6,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1893564775,
            "variance": 0.03585587557
          },
          {
            "average": 1.067657242,
            "count": 6817925,
            "maximum": 6,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2698060711,
            "variance": 0.07279531602
          },
          {
            "average": 0.3782979426,
            "count": 6817925,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4849625178,
            "variance": 0.2351886437
          },
          {
            "average": 0.004191744556,
            "count": 6817925,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06460785127,
            "variance": 0.004174174446
          },
          {
            "average": 15.9596694,
            "count": 6817925,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.74670549,
            "variance": 430.4257887
          },
          {
            "average": 0.1497334679,
            "count": 6817925,
            "maximum": 20.62800026,
            "minimum": -21.61800003,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 11.54292254,
            "variance": 133.2390608
          },
          {
            "average": 1.428014682,
            "count": 6817925,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.21992723,
            "variance": 1.488222447
          },
          {
            "average": 112.9140846,
            "count": 6817925,
            "maximum": 153,
            "minimum": 96,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 24.3807828,
            "variance": 594.4225698
          },
          {
            "average": 234936043.6,
            "count": 6817925,
            "maximum": 238343480.1,
            "minimum": 233610640.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2071251.244,
            "variance": 4290081717000.0
          },
          {
            "average": 1.428014682,
            "count": 6817925,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.21992723,
            "variance": 1.488222447
          },
          {
            "average": 0,
            "count": 6817925,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6817925,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1370522556,
            "count": 6817925,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.343902533,
            "variance": 0.1182689522
          },
          {
            "average": 0,
            "count": 6817925,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          737299.9901,
          2045499.98,
          -111.0279424,
          738300.0101,
          2046500,
          477.1120576
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                737299.9900862989,
                2045499.979831289,
                -111.02794244195815
              ],
              [
                737299.9900862989,
                2046499.999831289,
                -111.02794244195815
              ],
              [
                738300.0100862989,
                2046499.999831289,
                477.11205755804184
              ],
              [
                738300.0100862989,
                2045499.979831289,
                477.11205755804184
              ],
              [
                737299.9900862989,
                2045499.979831289,
                -111.02794244195815
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:18:00+00:00",
        "end_time": "2019-02-07T21:37:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190207_737300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190207_737300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190207_737300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190207_737300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.75263328,
            18.48649937,
            -111.0279424,
            -66.74304961,
            18.49564335,
            477.1120576
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.75263327982748,
                  18.4866119863825,
                  -111.02794244195815
                ],
                [
                  -66.75251546106989,
                  18.49564335371721,
                  -111.02794244195815
                ],
                [
                  -66.74304961002355,
                  18.495530674593198,
                  477.11205755804184
                ],
                [
                  -66.74316792397993,
                  18.4864993661499,
                  477.11205755804184
                ],
                [
                  -66.75263327982748,
                  18.4866119863825,
                  -111.02794244195815
                ]
              ]
            ]
          },
          "id": "20190207_737300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190207_737300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:18:00Z",
            "pc:count": 6817925,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 737802.7977,
                "count": 6817925,
                "maximum": 738300.0101,
                "minimum": 737299.9901,
                "name": "X",
                "position": 0,
                "stddev": 287.0940066,
                "variance": 82422.96863
              },
              {
                "average": 2046021.664,
                "count": 6817925,
                "maximum": 2046500,
                "minimum": 2045499.98,
                "name": "Y",
                "position": 1,
                "stddev": 263.5355697,
                "variance": 69450.99648
              },
              {
                "average": -0.01120247929,
                "count": 6817925,
                "maximum": 477.1120576,
                "minimum": -111.0279424,
                "name": "Z",
                "position": 2,
                "stddev": 5.659622352,
                "variance": 32.03132516
              },
              {
                "average": 722.430932,
                "count": 6817925,
                "maximum": 5010,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 533.0028464,
                "variance": 284092.0342
              },
              {
                "average": 1.033759392,
                "count": 6817925,
                "maximum": 6,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1893564775,
                "variance": 0.03585587557
              },
              {
                "average": 1.067657242,
                "count": 6817925,
                "maximum": 6,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2698060711,
                "variance": 0.07279531602
              },
              {
                "average": 0.3782979426,
                "count": 6817925,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4849625178,
                "variance": 0.2351886437
              },
              {
                "average": 0.004191744556,
                "count": 6817925,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06460785127,
                "variance": 0.004174174446
              },
              {
                "average": 15.9596694,
                "count": 6817925,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.74670549,
                "variance": 430.4257887
              },
              {
                "average": 0.1497334679,
                "count": 6817925,
                "maximum": 20.62800026,
                "minimum": -21.61800003,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 11.54292254,
                "variance": 133.2390608
              },
              {
                "average": 1.428014682,
                "count": 6817925,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.21992723,
                "variance": 1.488222447
              },
              {
                "average": 112.9140846,
                "count": 6817925,
                "maximum": 153,
                "minimum": 96,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 24.3807828,
                "variance": 594.4225698
              },
              {
                "average": 234936043.6,
                "count": 6817925,
                "maximum": 238343480.1,
                "minimum": 233610640.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2071251.244,
                "variance": 4290081717000.0
              },
              {
                "average": 1.428014682,
                "count": 6817925,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.21992723,
                "variance": 1.488222447
              },
              {
                "average": 0,
                "count": 6817925,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6817925,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1370522556,
                "count": 6817925,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.343902533,
                "variance": 0.1182689522
              },
              {
                "average": 0,
                "count": 6817925,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              737299.9901,
              2045499.98,
              -111.0279424,
              738300.0101,
              2046500,
              477.1120576
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    737299.9900862989,
                    2045499.979831289,
                    -111.02794244195815
                  ],
                  [
                    737299.9900862989,
                    2046499.999831289,
                    -111.02794244195815
                  ],
                  [
                    738300.0100862989,
                    2046499.999831289,
                    477.11205755804184
                  ],
                  [
                    738300.0100862989,
                    2045499.979831289,
                    477.11205755804184
                  ],
                  [
                    737299.9900862989,
                    2045499.979831289,
                    -111.02794244195815
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:18:00+00:00",
            "end_time": "2019-02-07T21:37:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_698300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.12169152300255,
              18.502866321398766,
              -120.51361542599415
            ],
            [
              -67.1216278498817,
              18.508702181572165,
              -120.51361542599415
            ],
            [
              -67.11215906662729,
              18.508607897888947,
              552.4263845740059
            ],
            [
              -67.11222306025773,
              18.502772069538498,
              552.4263845740059
            ],
            [
              -67.12169152300255,
              18.502866321398766,
              -120.51361542599415
            ]
          ]
        ]
      },
      "bbox": [
        -67.12169152,
        18.50277207,
        -120.5136154,
        -67.11215907,
        18.50870218,
        552.4263846
      ],
      "properties": {
        "datetime": "2019-01-21T19:07:18Z",
        "pc:count": 14059668,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 698794.113,
            "count": 14059668,
            "maximum": 699300.0103,
            "minimum": 698299.9903,
            "name": "X",
            "position": 0,
            "stddev": 290.2347726,
            "variance": 84236.22321
          },
          {
            "average": 2047248.703,
            "count": 14059668,
            "maximum": 2047499.996,
            "minimum": 2046853.956,
            "name": "Y",
            "position": 1,
            "stddev": 186.0950892,
            "variance": 34631.38223
          },
          {
            "average": 49.24320316,
            "count": 14059668,
            "maximum": 552.4263846,
            "minimum": -120.5136154,
            "name": "Z",
            "position": 2,
            "stddev": 16.47137442,
            "variance": 271.3061754
          },
          {
            "average": 1548.419905,
            "count": 14059668,
            "maximum": 4300,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 529.2766993,
            "variance": 280133.8244
          },
          {
            "average": 1.756551008,
            "count": 14059668,
            "maximum": 14,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.266230441,
            "variance": 1.603339529
          },
          {
            "average": 2.513967969,
            "count": 14059668,
            "maximum": 14,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.866706814,
            "variance": 3.484594329
          },
          {
            "average": 1.849261305e-06,
            "count": 14059668,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.001359874265,
            "variance": 1.849258017e-06
          },
          {
            "average": 0,
            "count": 14059668,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.311674003,
            "count": 14059668,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9209008067,
            "variance": 0.8480582958
          },
          {
            "average": -2.136672623,
            "count": 14059668,
            "maximum": 23.20800018,
            "minimum": -22.69799995,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.67566912,
            "variance": 187.023926
          },
          {
            "average": 1.107160567,
            "count": 14059668,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.191003251,
            "variance": 1.418488744
          },
          {
            "average": 84.2395814,
            "count": 14059668,
            "maximum": 85,
            "minimum": 83,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7478465458,
            "variance": 0.559274456
          },
          {
            "average": 232132408,
            "count": 14059668,
            "maximum": 232132838.5,
            "minimum": 232131844.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 384.8506573,
            "variance": 148110.0284
          },
          {
            "average": 5.903411091e-06,
            "count": 14059668,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.003743217441,
            "variance": 1.401167681e-05
          },
          {
            "average": 0,
            "count": 14059668,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14059668,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2338487651,
            "count": 14059668,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4232771349,
            "variance": 0.1791635329
          },
          {
            "average": 0,
            "count": 14059668,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          698299.9903,
          2046853.956,
          -120.5136154,
          699300.0103,
          2047499.996,
          552.4263846
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                698299.9902736606,
                2046853.9563112224,
                -120.51361542599415
              ],
              [
                698299.9902736606,
                2047499.9963112224,
                -120.51361542599415
              ],
              [
                699300.0102736606,
                2047499.9963112224,
                552.4263845740059
              ],
              [
                699300.0102736606,
                2046853.9563112224,
                552.4263845740059
              ],
              [
                698299.9902736606,
                2046853.9563112224,
                -120.51361542599415
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:07:18+00:00",
        "end_time": "2019-01-21T18:50:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_698300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_698300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_698300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_698300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.12169152,
            18.50277207,
            -120.5136154,
            -67.11215907,
            18.50870218,
            552.4263846
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.12169152300255,
                  18.502866321398766,
                  -120.51361542599415
                ],
                [
                  -67.1216278498817,
                  18.508702181572165,
                  -120.51361542599415
                ],
                [
                  -67.11215906662729,
                  18.508607897888947,
                  552.4263845740059
                ],
                [
                  -67.11222306025773,
                  18.502772069538498,
                  552.4263845740059
                ],
                [
                  -67.12169152300255,
                  18.502866321398766,
                  -120.51361542599415
                ]
              ]
            ]
          },
          "id": "20190121_698300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_698300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:07:18Z",
            "pc:count": 14059668,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 698794.113,
                "count": 14059668,
                "maximum": 699300.0103,
                "minimum": 698299.9903,
                "name": "X",
                "position": 0,
                "stddev": 290.2347726,
                "variance": 84236.22321
              },
              {
                "average": 2047248.703,
                "count": 14059668,
                "maximum": 2047499.996,
                "minimum": 2046853.956,
                "name": "Y",
                "position": 1,
                "stddev": 186.0950892,
                "variance": 34631.38223
              },
              {
                "average": 49.24320316,
                "count": 14059668,
                "maximum": 552.4263846,
                "minimum": -120.5136154,
                "name": "Z",
                "position": 2,
                "stddev": 16.47137442,
                "variance": 271.3061754
              },
              {
                "average": 1548.419905,
                "count": 14059668,
                "maximum": 4300,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 529.2766993,
                "variance": 280133.8244
              },
              {
                "average": 1.756551008,
                "count": 14059668,
                "maximum": 14,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.266230441,
                "variance": 1.603339529
              },
              {
                "average": 2.513967969,
                "count": 14059668,
                "maximum": 14,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.866706814,
                "variance": 3.484594329
              },
              {
                "average": 1.849261305e-06,
                "count": 14059668,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.001359874265,
                "variance": 1.849258017e-06
              },
              {
                "average": 0,
                "count": 14059668,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.311674003,
                "count": 14059668,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9209008067,
                "variance": 0.8480582958
              },
              {
                "average": -2.136672623,
                "count": 14059668,
                "maximum": 23.20800018,
                "minimum": -22.69799995,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.67566912,
                "variance": 187.023926
              },
              {
                "average": 1.107160567,
                "count": 14059668,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.191003251,
                "variance": 1.418488744
              },
              {
                "average": 84.2395814,
                "count": 14059668,
                "maximum": 85,
                "minimum": 83,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7478465458,
                "variance": 0.559274456
              },
              {
                "average": 232132408,
                "count": 14059668,
                "maximum": 232132838.5,
                "minimum": 232131844.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 384.8506573,
                "variance": 148110.0284
              },
              {
                "average": 5.903411091e-06,
                "count": 14059668,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.003743217441,
                "variance": 1.401167681e-05
              },
              {
                "average": 0,
                "count": 14059668,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14059668,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2338487651,
                "count": 14059668,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4232771349,
                "variance": 0.1791635329
              },
              {
                "average": 0,
                "count": 14059668,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              698299.9903,
              2046853.956,
              -120.5136154,
              699300.0103,
              2047499.996,
              552.4263846
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    698299.9902736606,
                    2046853.9563112224,
                    -120.51361542599415
                  ],
                  [
                    698299.9902736606,
                    2047499.9963112224,
                    -120.51361542599415
                  ],
                  [
                    699300.0102736606,
                    2047499.9963112224,
                    552.4263845740059
                  ],
                  [
                    699300.0102736606,
                    2046853.9563112224,
                    552.4263845740059
                  ],
                  [
                    698299.9902736606,
                    2046853.9563112224,
                    -120.51361542599415
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:07:18+00:00",
            "end_time": "2019-01-21T18:50:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_733300e_2045500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.79058437131096,
              18.4800563606363,
              -137.0483602674327
            ],
            [
              -66.79049461689804,
              18.4870578849226,
              -137.0483602674327
            ],
            [
              -66.7810289912739,
              18.486947154494015,
              559.2116397325673
            ],
            [
              -66.7811191294314,
              18.479945675091884,
              559.2116397325673
            ],
            [
              -66.79058437131096,
              18.4800563606363,
              -137.0483602674327
            ]
          ]
        ]
      },
      "bbox": [
        -66.79058437,
        18.47994568,
        -137.0483603,
        -66.78102899,
        18.48705788,
        559.2116397
      ],
      "properties": {
        "datetime": "2019-04-03T15:53:31Z",
        "pc:count": 12114434,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 733853.8729,
            "count": 12114434,
            "maximum": 734300.0104,
            "minimum": 733299.9904,
            "name": "X",
            "position": 0,
            "stddev": 287.8375531,
            "variance": 82850.45697
          },
          {
            "average": 2045185.594,
            "count": 12114434,
            "maximum": 2045499.997,
            "minimum": 2044724.757,
            "name": "Y",
            "position": 1,
            "stddev": 203.1490714,
            "variance": 41269.54521
          },
          {
            "average": 23.79326277,
            "count": 12114434,
            "maximum": 559.2116397,
            "minimum": -137.0483603,
            "name": "Z",
            "position": 2,
            "stddev": 9.063976094,
            "variance": 82.15566264
          },
          {
            "average": 1592.87846,
            "count": 12114434,
            "maximum": 4860,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 501.2228005,
            "variance": 251224.2958
          },
          {
            "average": 1.468127525,
            "count": 12114434,
            "maximum": 9,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.046170958,
            "variance": 1.094473674
          },
          {
            "average": 1.936824122,
            "count": 12114434,
            "maximum": 12,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.611766575,
            "variance": 2.597791492
          },
          {
            "average": 0.370260798,
            "count": 12114434,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4828744751,
            "variance": 0.2331677587
          },
          {
            "average": 0.001519096971,
            "count": 12114434,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.03894598106,
            "variance": 0.001516789441
          },
          {
            "average": 1.307112904,
            "count": 12114434,
            "maximum": 40,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9311682552,
            "variance": 0.8670743195
          },
          {
            "average": 1.617115994,
            "count": 12114434,
            "maximum": 22.59000015,
            "minimum": -28.91399956,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.47498231,
            "variance": 181.5751483
          },
          {
            "average": 1.215562857,
            "count": 12114434,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.195229699,
            "variance": 1.428574033
          },
          {
            "average": 117.9072577,
            "count": 12114434,
            "maximum": 152,
            "minimum": 90,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 30.44198542,
            "variance": 926.7144761
          },
          {
            "average": 234888842.7,
            "count": 12114434,
            "maximum": 238342011.6,
            "minimum": 232135800.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3083201.374,
            "variance": 9506130710000.0
          },
          {
            "average": 1.215562857,
            "count": 12114434,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.195229699,
            "variance": 1.428574033
          },
          {
            "average": 0,
            "count": 12114434,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12114434,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2012713099,
            "count": 12114434,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4009503498,
            "variance": 0.160761183
          },
          {
            "average": 0,
            "count": 12114434,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          733299.9904,
          2044724.757,
          -137.0483603,
          734300.0104,
          2045499.997,
          559.2116397
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                733299.9904038262,
                2044724.7565527207,
                -137.0483602674327
              ],
              [
                733299.9904038262,
                2045499.996552721,
                -137.0483602674327
              ],
              [
                734300.0104038263,
                2045499.996552721,
                559.2116397325673
              ],
              [
                734300.0104038263,
                2044724.7565527207,
                559.2116397325673
              ],
              [
                733299.9904038262,
                2044724.7565527207,
                -137.0483602674327
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T15:53:31+00:00",
        "end_time": "2019-01-21T19:56:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_733300e_2045500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_733300e_2045500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_733300e_2045500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_733300e_2045500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.79058437,
            18.47994568,
            -137.0483603,
            -66.78102899,
            18.48705788,
            559.2116397
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.79058437131096,
                  18.4800563606363,
                  -137.0483602674327
                ],
                [
                  -66.79049461689804,
                  18.4870578849226,
                  -137.0483602674327
                ],
                [
                  -66.7810289912739,
                  18.486947154494015,
                  559.2116397325673
                ],
                [
                  -66.7811191294314,
                  18.479945675091884,
                  559.2116397325673
                ],
                [
                  -66.79058437131096,
                  18.4800563606363,
                  -137.0483602674327
                ]
              ]
            ]
          },
          "id": "20190121_733300e_2045500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_733300e_2045500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T15:53:31Z",
            "pc:count": 12114434,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 733853.8729,
                "count": 12114434,
                "maximum": 734300.0104,
                "minimum": 733299.9904,
                "name": "X",
                "position": 0,
                "stddev": 287.8375531,
                "variance": 82850.45697
              },
              {
                "average": 2045185.594,
                "count": 12114434,
                "maximum": 2045499.997,
                "minimum": 2044724.757,
                "name": "Y",
                "position": 1,
                "stddev": 203.1490714,
                "variance": 41269.54521
              },
              {
                "average": 23.79326277,
                "count": 12114434,
                "maximum": 559.2116397,
                "minimum": -137.0483603,
                "name": "Z",
                "position": 2,
                "stddev": 9.063976094,
                "variance": 82.15566264
              },
              {
                "average": 1592.87846,
                "count": 12114434,
                "maximum": 4860,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 501.2228005,
                "variance": 251224.2958
              },
              {
                "average": 1.468127525,
                "count": 12114434,
                "maximum": 9,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.046170958,
                "variance": 1.094473674
              },
              {
                "average": 1.936824122,
                "count": 12114434,
                "maximum": 12,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.611766575,
                "variance": 2.597791492
              },
              {
                "average": 0.370260798,
                "count": 12114434,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4828744751,
                "variance": 0.2331677587
              },
              {
                "average": 0.001519096971,
                "count": 12114434,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.03894598106,
                "variance": 0.001516789441
              },
              {
                "average": 1.307112904,
                "count": 12114434,
                "maximum": 40,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9311682552,
                "variance": 0.8670743195
              },
              {
                "average": 1.617115994,
                "count": 12114434,
                "maximum": 22.59000015,
                "minimum": -28.91399956,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.47498231,
                "variance": 181.5751483
              },
              {
                "average": 1.215562857,
                "count": 12114434,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.195229699,
                "variance": 1.428574033
              },
              {
                "average": 117.9072577,
                "count": 12114434,
                "maximum": 152,
                "minimum": 90,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 30.44198542,
                "variance": 926.7144761
              },
              {
                "average": 234888842.7,
                "count": 12114434,
                "maximum": 238342011.6,
                "minimum": 232135800.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3083201.374,
                "variance": 9506130710000.0
              },
              {
                "average": 1.215562857,
                "count": 12114434,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.195229699,
                "variance": 1.428574033
              },
              {
                "average": 0,
                "count": 12114434,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12114434,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2012713099,
                "count": 12114434,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4009503498,
                "variance": 0.160761183
              },
              {
                "average": 0,
                "count": 12114434,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              733299.9904,
              2044724.757,
              -137.0483603,
              734300.0104,
              2045499.997,
              559.2116397
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    733299.9904038262,
                    2044724.7565527207,
                    -137.0483602674327
                  ],
                  [
                    733299.9904038262,
                    2045499.996552721,
                    -137.0483602674327
                  ],
                  [
                    734300.0104038263,
                    2045499.996552721,
                    559.2116397325673
                  ],
                  [
                    734300.0104038263,
                    2044724.7565527207,
                    559.2116397325673
                  ],
                  [
                    733299.9904038262,
                    2044724.7565527207,
                    -137.0483602674327
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T15:53:31+00:00",
            "end_time": "2019-01-21T19:56:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_699300e_2047500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.11222223574157,
              18.50286421988513,
              -123.29485215691156
            ],
            [
              -67.11215925229547,
              18.50860790925363,
              -123.29485215691156
            ],
            [
              -67.1026905260963,
              18.508513152131684,
              548.7651478430885
            ],
            [
              -67.10275382498376,
              18.502769494240948,
              548.7651478430885
            ],
            [
              -67.11222223574157,
              18.50286421988513,
              -123.29485215691156
            ]
          ]
        ]
      },
      "bbox": [
        -67.11222224,
        18.50276949,
        -123.2948522,
        -67.10269053,
        18.50860791,
        548.7651478
      ],
      "properties": {
        "datetime": "2019-01-21T19:07:03Z",
        "pc:count": 11936055,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 699788.2071,
            "count": 11936055,
            "maximum": 700300.0107,
            "minimum": 699299.9907,
            "name": "X",
            "position": 0,
            "stddev": 296.6664839,
            "variance": 88011.00265
          },
          {
            "average": 2047212.299,
            "count": 11936055,
            "maximum": 2047499.997,
            "minimum": 2046864.157,
            "name": "Y",
            "position": 1,
            "stddev": 180.3799506,
            "variance": 32536.92659
          },
          {
            "average": 53.58986863,
            "count": 11936055,
            "maximum": 548.7651478,
            "minimum": -123.2948522,
            "name": "Z",
            "position": 2,
            "stddev": 8.320821301,
            "variance": 69.23606713
          },
          {
            "average": 1683.15163,
            "count": 11936055,
            "maximum": 4630,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 481.4381429,
            "variance": 231782.6855
          },
          {
            "average": 1.567426759,
            "count": 11936055,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.113237102,
            "variance": 1.239296844
          },
          {
            "average": 2.13505794,
            "count": 11936055,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.682058296,
            "variance": 2.829320111
          },
          {
            "average": 0.3322831539,
            "count": 11936055,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.471031929,
            "variance": 0.2218710781
          },
          {
            "average": 0.001612341766,
            "count": 11936055,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04012159338,
            "variance": 0.001609742255
          },
          {
            "average": 1.408371443,
            "count": 11936055,
            "maximum": 7,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.030575781,
            "variance": 1.062086441
          },
          {
            "average": -0.7571200348,
            "count": 11936055,
            "maximum": 24.75,
            "minimum": -23.81399918,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.29755124,
            "variance": 176.8248691
          },
          {
            "average": 1.162795245,
            "count": 11936055,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.213146014,
            "variance": 1.47172325
          },
          {
            "average": 84.39609502,
            "count": 11936055,
            "maximum": 85,
            "minimum": 83,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6864674639,
            "variance": 0.4712375789
          },
          {
            "average": 232132482,
            "count": 11936055,
            "maximum": 232132823.1,
            "minimum": 232131829.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 358.2187175,
            "variance": 128320.6496
          },
          {
            "average": 1.162788962,
            "count": 11936055,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.213145717,
            "variance": 1.471722531
          },
          {
            "average": 0,
            "count": 11936055,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11936055,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1895259363,
            "count": 11936055,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.3919258459,
            "variance": 0.1536058687
          },
          {
            "average": 0,
            "count": 11936055,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          699299.9907,
          2046864.157,
          -123.2948522,
          700300.0107,
          2047499.997,
          548.7651478
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                699299.9906537423,
                2046864.157364029,
                -123.29485215691156
              ],
              [
                699299.9906537423,
                2047499.9973640288,
                -123.29485215691156
              ],
              [
                700300.0106537424,
                2047499.9973640288,
                548.7651478430885
              ],
              [
                700300.0106537424,
                2046864.157364029,
                548.7651478430885
              ],
              [
                699299.9906537423,
                2046864.157364029,
                -123.29485215691156
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T19:07:03+00:00",
        "end_time": "2019-01-21T18:50:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_699300e_2047500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_699300e_2047500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_699300e_2047500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_699300e_2047500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.11222224,
            18.50276949,
            -123.2948522,
            -67.10269053,
            18.50860791,
            548.7651478
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.11222223574157,
                  18.50286421988513,
                  -123.29485215691156
                ],
                [
                  -67.11215925229547,
                  18.50860790925363,
                  -123.29485215691156
                ],
                [
                  -67.1026905260963,
                  18.508513152131684,
                  548.7651478430885
                ],
                [
                  -67.10275382498376,
                  18.502769494240948,
                  548.7651478430885
                ],
                [
                  -67.11222223574157,
                  18.50286421988513,
                  -123.29485215691156
                ]
              ]
            ]
          },
          "id": "20190121_699300e_2047500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_699300e_2047500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T19:07:03Z",
            "pc:count": 11936055,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 699788.2071,
                "count": 11936055,
                "maximum": 700300.0107,
                "minimum": 699299.9907,
                "name": "X",
                "position": 0,
                "stddev": 296.6664839,
                "variance": 88011.00265
              },
              {
                "average": 2047212.299,
                "count": 11936055,
                "maximum": 2047499.997,
                "minimum": 2046864.157,
                "name": "Y",
                "position": 1,
                "stddev": 180.3799506,
                "variance": 32536.92659
              },
              {
                "average": 53.58986863,
                "count": 11936055,
                "maximum": 548.7651478,
                "minimum": -123.2948522,
                "name": "Z",
                "position": 2,
                "stddev": 8.320821301,
                "variance": 69.23606713
              },
              {
                "average": 1683.15163,
                "count": 11936055,
                "maximum": 4630,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 481.4381429,
                "variance": 231782.6855
              },
              {
                "average": 1.567426759,
                "count": 11936055,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.113237102,
                "variance": 1.239296844
              },
              {
                "average": 2.13505794,
                "count": 11936055,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.682058296,
                "variance": 2.829320111
              },
              {
                "average": 0.3322831539,
                "count": 11936055,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.471031929,
                "variance": 0.2218710781
              },
              {
                "average": 0.001612341766,
                "count": 11936055,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04012159338,
                "variance": 0.001609742255
              },
              {
                "average": 1.408371443,
                "count": 11936055,
                "maximum": 7,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.030575781,
                "variance": 1.062086441
              },
              {
                "average": -0.7571200348,
                "count": 11936055,
                "maximum": 24.75,
                "minimum": -23.81399918,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.29755124,
                "variance": 176.8248691
              },
              {
                "average": 1.162795245,
                "count": 11936055,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.213146014,
                "variance": 1.47172325
              },
              {
                "average": 84.39609502,
                "count": 11936055,
                "maximum": 85,
                "minimum": 83,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6864674639,
                "variance": 0.4712375789
              },
              {
                "average": 232132482,
                "count": 11936055,
                "maximum": 232132823.1,
                "minimum": 232131829.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 358.2187175,
                "variance": 128320.6496
              },
              {
                "average": 1.162788962,
                "count": 11936055,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.213145717,
                "variance": 1.471722531
              },
              {
                "average": 0,
                "count": 11936055,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11936055,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1895259363,
                "count": 11936055,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.3919258459,
                "variance": 0.1536058687
              },
              {
                "average": 0,
                "count": 11936055,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              699299.9907,
              2046864.157,
              -123.2948522,
              700300.0107,
              2047499.997,
              548.7651478
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    699299.9906537423,
                    2046864.157364029,
                    -123.29485215691156
                  ],
                  [
                    699299.9906537423,
                    2047499.9973640288,
                    -123.29485215691156
                  ],
                  [
                    700300.0106537424,
                    2047499.9973640288,
                    548.7651478430885
                  ],
                  [
                    700300.0106537424,
                    2046864.157364029,
                    548.7651478430885
                  ],
                  [
                    699299.9906537423,
                    2046864.157364029,
                    -123.29485215691156
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T19:07:03+00:00",
            "end_time": "2019-01-21T18:50:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190207_738300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.74316811134273,
              18.486499365519688,
              -97.9805709559908
            ],
            [
              -66.74304979739615,
              18.49553067396416,
              -97.9805709559908
            ],
            [
              -66.73358401452131,
              18.49541752217854,
              479.59942904400924
            ],
            [
              -66.73370282365019,
              18.486386272872434,
              479.59942904400924
            ],
            [
              -66.74316811134273,
              18.486499365519688,
              -97.9805709559908
            ]
          ]
        ]
      },
      "bbox": [
        -66.74316811,
        18.48638627,
        -97.98057096,
        -66.73358401,
        18.49553067,
        479.599429
      ],
      "properties": {
        "datetime": "2019-04-03T16:17:45Z",
        "pc:count": 7193327,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 738804.1186,
            "count": 7193327,
            "maximum": 739300.0103,
            "minimum": 738299.9903,
            "name": "X",
            "position": 0,
            "stddev": 285.2359038,
            "variance": 81359.52084
          },
          {
            "average": 2045991.12,
            "count": 7193327,
            "maximum": 2046500,
            "minimum": 2045499.98,
            "name": "Y",
            "position": 1,
            "stddev": 285.9338024,
            "variance": 81758.13933
          },
          {
            "average": -0.014457433,
            "count": 7193327,
            "maximum": 479.599429,
            "minimum": -97.98057096,
            "name": "Z",
            "position": 2,
            "stddev": 5.666112437,
            "variance": 32.10483014
          },
          {
            "average": 710.7290664,
            "count": 7193327,
            "maximum": 3354,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 518.2934625,
            "variance": 268628.1133
          },
          {
            "average": 1.07439242,
            "count": 7193327,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3328686236,
            "variance": 0.1108015206
          },
          {
            "average": 1.148999621,
            "count": 7193327,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5027957905,
            "variance": 0.2528036069
          },
          {
            "average": 0.3885006201,
            "count": 7193327,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.487409398,
            "variance": 0.2375679213
          },
          {
            "average": 0.004035406704,
            "count": 7193327,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.06339655161,
            "variance": 0.004019122755
          },
          {
            "average": 18.27795303,
            "count": 7193327,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 21.36492218,
            "variance": 456.4598999
          },
          {
            "average": 0.2795897438,
            "count": 7193327,
            "maximum": 20.62199974,
            "minimum": -21.62400055,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 11.28606147,
            "variance": 127.3751835
          },
          {
            "average": 1.359541002,
            "count": 7193327,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.205516583,
            "variance": 1.453270232
          },
          {
            "average": 112.6862108,
            "count": 7193327,
            "maximum": 153,
            "minimum": 96,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 24.42985265,
            "variance": 596.8177003
          },
          {
            "average": 234924947.8,
            "count": 7193327,
            "maximum": 238343465.7,
            "minimum": 233610625.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2070161.789,
            "variance": 4285569834000.0
          },
          {
            "average": 1.359541002,
            "count": 7193327,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.205516583,
            "variance": 1.453270232
          },
          {
            "average": 0,
            "count": 7193327,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7193327,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1307258797,
            "count": 7193327,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.337100341,
            "variance": 0.1136366399
          },
          {
            "average": 0,
            "count": 7193327,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          738299.9903,
          2045499.98,
          -97.98057096,
          739300.0103,
          2046500,
          479.599429
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                738299.9902952092,
                2045499.979514195,
                -97.9805709559908
              ],
              [
                738299.9902952092,
                2046499.999514195,
                -97.9805709559908
              ],
              [
                739300.0102952092,
                2046499.999514195,
                479.59942904400924
              ],
              [
                739300.0102952092,
                2045499.979514195,
                479.59942904400924
              ],
              [
                738299.9902952092,
                2045499.979514195,
                -97.9805709559908
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-04-03T16:17:45+00:00",
        "end_time": "2019-02-07T21:37:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190207_738300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190207_738300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190207_738300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190207_738300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.74316811,
            18.48638627,
            -97.98057096,
            -66.73358401,
            18.49553067,
            479.599429
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.74316811134273,
                  18.486499365519688,
                  -97.9805709559908
                ],
                [
                  -66.74304979739615,
                  18.49553067396416,
                  -97.9805709559908
                ],
                [
                  -66.73358401452131,
                  18.49541752217854,
                  479.59942904400924
                ],
                [
                  -66.73370282365019,
                  18.486386272872434,
                  479.59942904400924
                ],
                [
                  -66.74316811134273,
                  18.486499365519688,
                  -97.9805709559908
                ]
              ]
            ]
          },
          "id": "20190207_738300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190207_738300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-04-03T16:17:45Z",
            "pc:count": 7193327,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 738804.1186,
                "count": 7193327,
                "maximum": 739300.0103,
                "minimum": 738299.9903,
                "name": "X",
                "position": 0,
                "stddev": 285.2359038,
                "variance": 81359.52084
              },
              {
                "average": 2045991.12,
                "count": 7193327,
                "maximum": 2046500,
                "minimum": 2045499.98,
                "name": "Y",
                "position": 1,
                "stddev": 285.9338024,
                "variance": 81758.13933
              },
              {
                "average": -0.014457433,
                "count": 7193327,
                "maximum": 479.599429,
                "minimum": -97.98057096,
                "name": "Z",
                "position": 2,
                "stddev": 5.666112437,
                "variance": 32.10483014
              },
              {
                "average": 710.7290664,
                "count": 7193327,
                "maximum": 3354,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 518.2934625,
                "variance": 268628.1133
              },
              {
                "average": 1.07439242,
                "count": 7193327,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3328686236,
                "variance": 0.1108015206
              },
              {
                "average": 1.148999621,
                "count": 7193327,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5027957905,
                "variance": 0.2528036069
              },
              {
                "average": 0.3885006201,
                "count": 7193327,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.487409398,
                "variance": 0.2375679213
              },
              {
                "average": 0.004035406704,
                "count": 7193327,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.06339655161,
                "variance": 0.004019122755
              },
              {
                "average": 18.27795303,
                "count": 7193327,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 21.36492218,
                "variance": 456.4598999
              },
              {
                "average": 0.2795897438,
                "count": 7193327,
                "maximum": 20.62199974,
                "minimum": -21.62400055,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 11.28606147,
                "variance": 127.3751835
              },
              {
                "average": 1.359541002,
                "count": 7193327,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.205516583,
                "variance": 1.453270232
              },
              {
                "average": 112.6862108,
                "count": 7193327,
                "maximum": 153,
                "minimum": 96,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 24.42985265,
                "variance": 596.8177003
              },
              {
                "average": 234924947.8,
                "count": 7193327,
                "maximum": 238343465.7,
                "minimum": 233610625.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2070161.789,
                "variance": 4285569834000.0
              },
              {
                "average": 1.359541002,
                "count": 7193327,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.205516583,
                "variance": 1.453270232
              },
              {
                "average": 0,
                "count": 7193327,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7193327,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1307258797,
                "count": 7193327,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.337100341,
                "variance": 0.1136366399
              },
              {
                "average": 0,
                "count": 7193327,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              738299.9903,
              2045499.98,
              -97.98057096,
              739300.0103,
              2046500,
              479.599429
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    738299.9902952092,
                    2045499.979514195,
                    -97.9805709559908
                  ],
                  [
                    738299.9902952092,
                    2046499.999514195,
                    -97.9805709559908
                  ],
                  [
                    739300.0102952092,
                    2046499.999514195,
                    479.59942904400924
                  ],
                  [
                    739300.0102952092,
                    2045499.979514195,
                    479.59942904400924
                  ],
                  [
                    738299.9902952092,
                    2045499.979514195,
                    -97.9805709559908
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-04-03T16:17:45+00:00",
            "end_time": "2019-02-07T21:37:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_731300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.80942569108107,
              18.487277767972348,
              -118.31219546008728
            ],
            [
              -66.80931084379893,
              18.4963094834619,
              -118.31219546008728
            ],
            [
              -66.7998445897137,
              18.496199640614627,
              548.4278045399127
            ],
            [
              -66.7999599322921,
              18.487167982534547,
              548.4278045399127
            ],
            [
              -66.80942569108107,
              18.487277767972348,
              -118.31219546008728
            ]
          ]
        ]
      },
      "bbox": [
        -66.80942569,
        18.48716798,
        -118.3121955,
        -66.79984459,
        18.49630948,
        548.4278045
      ],
      "properties": {
        "datetime": "2019-01-21T20:01:00Z",
        "pc:count": 20979847,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 731818.2556,
            "count": 20979847,
            "maximum": 732300.0104,
            "minimum": 731299.9904,
            "name": "X",
            "position": 0,
            "stddev": 286.5362563,
            "variance": 82103.02617
          },
          {
            "average": 2045966.41,
            "count": 20979847,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 261.6899979,
            "variance": 68481.65498
          },
          {
            "average": 3.101875333,
            "count": 20979847,
            "maximum": 548.4278045,
            "minimum": -118.3121955,
            "name": "Z",
            "position": 2,
            "stddev": 10.28478916,
            "variance": 105.7768882
          },
          {
            "average": 1172.465803,
            "count": 20979847,
            "maximum": 4791,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 645.3801527,
            "variance": 416515.5415
          },
          {
            "average": 1.601297283,
            "count": 20979847,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.009892529,
            "variance": 1.019882921
          },
          {
            "average": 2.202437225,
            "count": 20979847,
            "maximum": 8,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.447834471,
            "variance": 2.096224656
          },
          {
            "average": 0.4110396992,
            "count": 20979847,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4920224349,
            "variance": 0.2420860764
          },
          {
            "average": 0.001821462282,
            "count": 20979847,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04263970736,
            "variance": 0.001818144644
          },
          {
            "average": 12.88308923,
            "count": 20979847,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 18.95896079,
            "variance": 359.4421943
          },
          {
            "average": -0.5185638033,
            "count": 20979847,
            "maximum": 23.02799988,
            "minimum": -23.04000092,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.53906837,
            "variance": 183.3063722
          },
          {
            "average": 0.9508490219,
            "count": 20979847,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.061298195,
            "variance": 1.126353859
          },
          {
            "average": 88.60024075,
            "count": 20979847,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.127865228,
            "variance": 1.272079972
          },
          {
            "average": 232134901.7,
            "count": 20979847,
            "maximum": 232136060.3,
            "minimum": 232133584.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 621.4976173,
            "variance": 386259.2884
          },
          {
            "average": 0.9508490219,
            "count": 20979847,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.061298195,
            "variance": 1.126353859
          },
          {
            "average": 0,
            "count": 20979847,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20979847,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2401777287,
            "count": 20979847,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4271912874,
            "variance": 0.182492396
          },
          {
            "average": 0,
            "count": 20979847,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          731299.9904,
          2045499.979,
          -118.3121955,
          732300.0104,
          2046499.999,
          548.4278045
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                731299.9904386739,
                2045499.9792892325,
                -118.31219546008728
              ],
              [
                731299.9904386739,
                2046499.9992892325,
                -118.31219546008728
              ],
              [
                732300.0104386739,
                2046499.9992892325,
                548.4278045399127
              ],
              [
                732300.0104386739,
                2045499.9792892325,
                548.4278045399127
              ],
              [
                731299.9904386739,
                2045499.9792892325,
                -118.31219546008728
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:01:00+00:00",
        "end_time": "2019-01-21T19:19:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_731300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_731300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_731300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_731300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.80942569,
            18.48716798,
            -118.3121955,
            -66.79984459,
            18.49630948,
            548.4278045
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.80942569108107,
                  18.487277767972348,
                  -118.31219546008728
                ],
                [
                  -66.80931084379893,
                  18.4963094834619,
                  -118.31219546008728
                ],
                [
                  -66.7998445897137,
                  18.496199640614627,
                  548.4278045399127
                ],
                [
                  -66.7999599322921,
                  18.487167982534547,
                  548.4278045399127
                ],
                [
                  -66.80942569108107,
                  18.487277767972348,
                  -118.31219546008728
                ]
              ]
            ]
          },
          "id": "20190121_731300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_731300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:01:00Z",
            "pc:count": 20979847,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 731818.2556,
                "count": 20979847,
                "maximum": 732300.0104,
                "minimum": 731299.9904,
                "name": "X",
                "position": 0,
                "stddev": 286.5362563,
                "variance": 82103.02617
              },
              {
                "average": 2045966.41,
                "count": 20979847,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 261.6899979,
                "variance": 68481.65498
              },
              {
                "average": 3.101875333,
                "count": 20979847,
                "maximum": 548.4278045,
                "minimum": -118.3121955,
                "name": "Z",
                "position": 2,
                "stddev": 10.28478916,
                "variance": 105.7768882
              },
              {
                "average": 1172.465803,
                "count": 20979847,
                "maximum": 4791,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 645.3801527,
                "variance": 416515.5415
              },
              {
                "average": 1.601297283,
                "count": 20979847,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.009892529,
                "variance": 1.019882921
              },
              {
                "average": 2.202437225,
                "count": 20979847,
                "maximum": 8,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.447834471,
                "variance": 2.096224656
              },
              {
                "average": 0.4110396992,
                "count": 20979847,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4920224349,
                "variance": 0.2420860764
              },
              {
                "average": 0.001821462282,
                "count": 20979847,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04263970736,
                "variance": 0.001818144644
              },
              {
                "average": 12.88308923,
                "count": 20979847,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 18.95896079,
                "variance": 359.4421943
              },
              {
                "average": -0.5185638033,
                "count": 20979847,
                "maximum": 23.02799988,
                "minimum": -23.04000092,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.53906837,
                "variance": 183.3063722
              },
              {
                "average": 0.9508490219,
                "count": 20979847,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.061298195,
                "variance": 1.126353859
              },
              {
                "average": 88.60024075,
                "count": 20979847,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.127865228,
                "variance": 1.272079972
              },
              {
                "average": 232134901.7,
                "count": 20979847,
                "maximum": 232136060.3,
                "minimum": 232133584.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 621.4976173,
                "variance": 386259.2884
              },
              {
                "average": 0.9508490219,
                "count": 20979847,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.061298195,
                "variance": 1.126353859
              },
              {
                "average": 0,
                "count": 20979847,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20979847,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2401777287,
                "count": 20979847,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4271912874,
                "variance": 0.182492396
              },
              {
                "average": 0,
                "count": 20979847,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              731299.9904,
              2045499.979,
              -118.3121955,
              732300.0104,
              2046499.999,
              548.4278045
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    731299.9904386739,
                    2045499.9792892325,
                    -118.31219546008728
                  ],
                  [
                    731299.9904386739,
                    2046499.9992892325,
                    -118.31219546008728
                  ],
                  [
                    732300.0104386739,
                    2046499.9992892325,
                    548.4278045399127
                  ],
                  [
                    732300.0104386739,
                    2045499.9792892325,
                    548.4278045399127
                  ],
                  [
                    731299.9904386739,
                    2045499.9792892325,
                    -118.31219546008728
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T20:01:00+00:00",
            "end_time": "2019-01-21T19:19:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190126_693300e_2042500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.16954724761335,
              18.454965056346346,
              -144.3748911776789
            ],
            [
              -67.16945145361916,
              18.46399880657965,
              -144.3748911776789
            ],
            [
              -67.15998486717179,
              18.463907130329353,
              542.4651088223211
            ],
            [
              -67.16008115588004,
              18.454873428093784,
              542.4651088223211
            ],
            [
              -67.16954724761335,
              18.454965056346346,
              -144.3748911776789
            ]
          ]
        ]
      },
      "bbox": [
        -67.16954725,
        18.45487343,
        -144.3748912,
        -67.15998487,
        18.46399881,
        542.4651088
      ],
      "properties": {
        "datetime": "2019-01-27T14:29:21Z",
        "pc:count": 26781119,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 693925.7715,
            "count": 26781119,
            "maximum": 694300.0104,
            "minimum": 693299.9904,
            "name": "X",
            "position": 0,
            "stddev": 266.4771099,
            "variance": 71010.05012
          },
          {
            "average": 2042050.029,
            "count": 26781119,
            "maximum": 2042500,
            "minimum": 2041499.98,
            "name": "Y",
            "position": 1,
            "stddev": 279.5835559,
            "variance": 78166.96475
          },
          {
            "average": 31.99865448,
            "count": 26781119,
            "maximum": 542.4651088,
            "minimum": -144.3748912,
            "name": "Z",
            "position": 2,
            "stddev": 27.24504476,
            "variance": 742.2924638
          },
          {
            "average": 1066.295409,
            "count": 26781119,
            "maximum": 4788,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 613.0960658,
            "variance": 375886.7859
          },
          {
            "average": 2.187059585,
            "count": 26781119,
            "maximum": 10,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.493606302,
            "variance": 2.230859785
          },
          {
            "average": 3.374513739,
            "count": 26781119,
            "maximum": 10,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 2.024035195,
            "variance": 4.096718471
          },
          {
            "average": 0.4037624791,
            "count": 26781119,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4906509437,
            "variance": 0.2407383486
          },
          {
            "average": 0.001368613462,
            "count": 26781119,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.0369694524,
            "variance": 0.001366740411
          },
          {
            "average": 8.619033768,
            "count": 26781119,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 16.16208217,
            "variance": 261.2129002
          },
          {
            "average": 1.608973992,
            "count": 26781119,
            "maximum": 20.70599937,
            "minimum": -22.01399994,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.62969488,
            "variance": 185.7685825
          },
          {
            "average": 0.9474954725,
            "count": 26781119,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.066402284,
            "variance": 1.137213831
          },
          {
            "average": 108.0645625,
            "count": 26781119,
            "maximum": 110,
            "minimum": 105,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.208309627,
            "variance": 1.460012156
          },
          {
            "average": 232581270.9,
            "count": 26781119,
            "maximum": 232634561.1,
            "minimum": 232542116.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 44897.81219,
            "variance": 2015813539
          },
          {
            "average": 0.9474954725,
            "count": 26781119,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.066402284,
            "variance": 1.137213831
          },
          {
            "average": 0,
            "count": 26781119,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26781119,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2495468916,
            "count": 26781119,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4327507914,
            "variance": 0.1872732475
          },
          {
            "average": 0,
            "count": 26781119,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          693299.9904,
          2041499.98,
          -144.3748912,
          694300.0104,
          2042500,
          542.4651088
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                693299.9903744077,
                2041499.9795732915,
                -144.3748911776789
              ],
              [
                693299.9903744077,
                2042499.9995732915,
                -144.3748911776789
              ],
              [
                694300.0103744077,
                2042499.9995732915,
                542.4651088223211
              ],
              [
                694300.0103744077,
                2041499.9795732915,
                542.4651088223211
              ],
              [
                693299.9903744077,
                2041499.9795732915,
                -144.3748911776789
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-27T14:29:21+00:00",
        "end_time": "2019-01-26T12:48:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190126_693300e_2042500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190126_693300e_2042500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190126_693300e_2042500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2042500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.16954725,
            18.45487343,
            -144.3748912,
            -67.15998487,
            18.46399881,
            542.4651088
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.16954724761335,
                  18.454965056346346,
                  -144.3748911776789
                ],
                [
                  -67.16945145361916,
                  18.46399880657965,
                  -144.3748911776789
                ],
                [
                  -67.15998486717179,
                  18.463907130329353,
                  542.4651088223211
                ],
                [
                  -67.16008115588004,
                  18.454873428093784,
                  542.4651088223211
                ],
                [
                  -67.16954724761335,
                  18.454965056346346,
                  -144.3748911776789
                ]
              ]
            ]
          },
          "id": "20190126_693300e_2042500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190126_693300e_2042500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-27T14:29:21Z",
            "pc:count": 26781119,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 693925.7715,
                "count": 26781119,
                "maximum": 694300.0104,
                "minimum": 693299.9904,
                "name": "X",
                "position": 0,
                "stddev": 266.4771099,
                "variance": 71010.05012
              },
              {
                "average": 2042050.029,
                "count": 26781119,
                "maximum": 2042500,
                "minimum": 2041499.98,
                "name": "Y",
                "position": 1,
                "stddev": 279.5835559,
                "variance": 78166.96475
              },
              {
                "average": 31.99865448,
                "count": 26781119,
                "maximum": 542.4651088,
                "minimum": -144.3748912,
                "name": "Z",
                "position": 2,
                "stddev": 27.24504476,
                "variance": 742.2924638
              },
              {
                "average": 1066.295409,
                "count": 26781119,
                "maximum": 4788,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 613.0960658,
                "variance": 375886.7859
              },
              {
                "average": 2.187059585,
                "count": 26781119,
                "maximum": 10,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.493606302,
                "variance": 2.230859785
              },
              {
                "average": 3.374513739,
                "count": 26781119,
                "maximum": 10,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 2.024035195,
                "variance": 4.096718471
              },
              {
                "average": 0.4037624791,
                "count": 26781119,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4906509437,
                "variance": 0.2407383486
              },
              {
                "average": 0.001368613462,
                "count": 26781119,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.0369694524,
                "variance": 0.001366740411
              },
              {
                "average": 8.619033768,
                "count": 26781119,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 16.16208217,
                "variance": 261.2129002
              },
              {
                "average": 1.608973992,
                "count": 26781119,
                "maximum": 20.70599937,
                "minimum": -22.01399994,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.62969488,
                "variance": 185.7685825
              },
              {
                "average": 0.9474954725,
                "count": 26781119,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.066402284,
                "variance": 1.137213831
              },
              {
                "average": 108.0645625,
                "count": 26781119,
                "maximum": 110,
                "minimum": 105,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.208309627,
                "variance": 1.460012156
              },
              {
                "average": 232581270.9,
                "count": 26781119,
                "maximum": 232634561.1,
                "minimum": 232542116.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 44897.81219,
                "variance": 2015813539
              },
              {
                "average": 0.9474954725,
                "count": 26781119,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.066402284,
                "variance": 1.137213831
              },
              {
                "average": 0,
                "count": 26781119,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26781119,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2495468916,
                "count": 26781119,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4327507914,
                "variance": 0.1872732475
              },
              {
                "average": 0,
                "count": 26781119,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              693299.9904,
              2041499.98,
              -144.3748912,
              694300.0104,
              2042500,
              542.4651088
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    693299.9903744077,
                    2041499.9795732915,
                    -144.3748911776789
                  ],
                  [
                    693299.9903744077,
                    2042499.9995732915,
                    -144.3748911776789
                  ],
                  [
                    694300.0103744077,
                    2042499.9995732915,
                    542.4651088223211
                  ],
                  [
                    694300.0103744077,
                    2041499.9795732915,
                    542.4651088223211
                  ],
                  [
                    693299.9903744077,
                    2041499.9795732915,
                    -144.3748911776789
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-27T14:29:21+00:00",
            "end_time": "2019-01-26T12:48:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_701300e_2050500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.09302185639764,
              18.526484039668468,
              -96.56743253462665
            ],
            [
              -67.0930109022329,
              18.527471719882154,
              -96.56743253462665
            ],
            [
              -67.0835414331828,
              18.527375912352976,
              214.79256746537337
            ],
            [
              -67.08355244166128,
              18.526388237607538,
              214.79256746537337
            ],
            [
              -67.09302185639764,
              18.526484039668468,
              -96.56743253462665
            ]
          ]
        ]
      },
      "bbox": [
        -67.09302186,
        18.52638824,
        -96.56743253,
        -67.08354143,
        18.52747172,
        214.7925675
      ],
      "properties": {
        "datetime": "2019-01-21T18:03:37Z",
        "pc:count": 729923,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 701826.74,
            "count": 729923,
            "maximum": 702300.0048,
            "minimum": 701300.0048,
            "name": "X",
            "position": 0,
            "stddev": 279.2195552,
            "variance": 77963.56003
          },
          {
            "average": 2049544.387,
            "count": 729923,
            "maximum": 2049609.324,
            "minimum": 2049499.984,
            "name": "Y",
            "position": 1,
            "stddev": 23.41993369,
            "variance": 548.4932941
          },
          {
            "average": -0.1394927245,
            "count": 729923,
            "maximum": 214.7925675,
            "minimum": -96.56743253,
            "name": "Z",
            "position": 2,
            "stddev": 0.7219054572,
            "variance": 0.5211474891
          },
          {
            "average": 509.9202628,
            "count": 729923,
            "maximum": 2714,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 564.8997089,
            "variance": 319111.6811
          },
          {
            "average": 1.162793884,
            "count": 729923,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4232144794,
            "variance": 0.1791104956
          },
          {
            "average": 1.325163065,
            "count": 729923,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5896174916,
            "variance": 0.3476487864
          },
          {
            "average": 0.450099531,
            "count": 729923,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4975040525,
            "variance": 0.2475102823
          },
          {
            "average": 0.006780167223,
            "count": 729923,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08206220678,
            "variance": 0.006734205781
          },
          {
            "average": 32.31870622,
            "count": 729923,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 18.92360482,
            "variance": 358.1028193
          },
          {
            "average": -15.22541204,
            "count": 729923,
            "maximum": -9,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.757534736,
            "variance": 7.60399782
          },
          {
            "average": 0.8216085806,
            "count": 729923,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9431793248,
            "variance": 0.8895872388
          },
          {
            "average": 76,
            "count": 729923,
            "maximum": 76,
            "minimum": 76,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232129007.8,
            "count": 729923,
            "maximum": 232129017.3,
            "minimum": 232128997.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.574185333,
            "variance": 20.92317146
          },
          {
            "average": 0.8216085806,
            "count": 729923,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9431793248,
            "variance": 0.8895872388
          },
          {
            "average": 0,
            "count": 729923,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 729923,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2590793823,
            "count": 729923,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4381295687,
            "variance": 0.191957519
          },
          {
            "average": 0,
            "count": 729923,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          701300.0048,
          2049499.984,
          -96.56743253,
          702300.0048,
          2049609.324,
          214.7925675
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                701300.0047733888,
                2049499.9837424164,
                -96.56743253462665
              ],
              [
                701300.0047733888,
                2049609.3237424162,
                -96.56743253462665
              ],
              [
                702300.0047733888,
                2049609.3237424162,
                214.79256746537337
              ],
              [
                702300.0047733888,
                2049499.9837424164,
                214.79256746537337
              ],
              [
                701300.0047733888,
                2049499.9837424164,
                -96.56743253462665
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:03:37+00:00",
        "end_time": "2019-01-21T18:03:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_701300e_2050500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_701300e_2050500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_701300e_2050500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_701300e_2050500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.09302186,
            18.52638824,
            -96.56743253,
            -67.08354143,
            18.52747172,
            214.7925675
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.09302185639764,
                  18.526484039668468,
                  -96.56743253462665
                ],
                [
                  -67.0930109022329,
                  18.527471719882154,
                  -96.56743253462665
                ],
                [
                  -67.0835414331828,
                  18.527375912352976,
                  214.79256746537337
                ],
                [
                  -67.08355244166128,
                  18.526388237607538,
                  214.79256746537337
                ],
                [
                  -67.09302185639764,
                  18.526484039668468,
                  -96.56743253462665
                ]
              ]
            ]
          },
          "id": "20190121_701300e_2050500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_701300e_2050500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:03:37Z",
            "pc:count": 729923,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 701826.74,
                "count": 729923,
                "maximum": 702300.0048,
                "minimum": 701300.0048,
                "name": "X",
                "position": 0,
                "stddev": 279.2195552,
                "variance": 77963.56003
              },
              {
                "average": 2049544.387,
                "count": 729923,
                "maximum": 2049609.324,
                "minimum": 2049499.984,
                "name": "Y",
                "position": 1,
                "stddev": 23.41993369,
                "variance": 548.4932941
              },
              {
                "average": -0.1394927245,
                "count": 729923,
                "maximum": 214.7925675,
                "minimum": -96.56743253,
                "name": "Z",
                "position": 2,
                "stddev": 0.7219054572,
                "variance": 0.5211474891
              },
              {
                "average": 509.9202628,
                "count": 729923,
                "maximum": 2714,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 564.8997089,
                "variance": 319111.6811
              },
              {
                "average": 1.162793884,
                "count": 729923,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4232144794,
                "variance": 0.1791104956
              },
              {
                "average": 1.325163065,
                "count": 729923,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5896174916,
                "variance": 0.3476487864
              },
              {
                "average": 0.450099531,
                "count": 729923,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4975040525,
                "variance": 0.2475102823
              },
              {
                "average": 0.006780167223,
                "count": 729923,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08206220678,
                "variance": 0.006734205781
              },
              {
                "average": 32.31870622,
                "count": 729923,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 18.92360482,
                "variance": 358.1028193
              },
              {
                "average": -15.22541204,
                "count": 729923,
                "maximum": -9,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.757534736,
                "variance": 7.60399782
              },
              {
                "average": 0.8216085806,
                "count": 729923,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9431793248,
                "variance": 0.8895872388
              },
              {
                "average": 76,
                "count": 729923,
                "maximum": 76,
                "minimum": 76,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232129007.8,
                "count": 729923,
                "maximum": 232129017.3,
                "minimum": 232128997.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.574185333,
                "variance": 20.92317146
              },
              {
                "average": 0.8216085806,
                "count": 729923,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9431793248,
                "variance": 0.8895872388
              },
              {
                "average": 0,
                "count": 729923,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 729923,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2590793823,
                "count": 729923,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4381295687,
                "variance": 0.191957519
              },
              {
                "average": 0,
                "count": 729923,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              701300.0048,
              2049499.984,
              -96.56743253,
              702300.0048,
              2049609.324,
              214.7925675
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    701300.0047733888,
                    2049499.9837424164,
                    -96.56743253462665
                  ],
                  [
                    701300.0047733888,
                    2049609.3237424162,
                    -96.56743253462665
                  ],
                  [
                    702300.0047733888,
                    2049609.3237424162,
                    214.79256746537337
                  ],
                  [
                    702300.0047733888,
                    2049499.9837424164,
                    214.79256746537337
                  ],
                  [
                    701300.0047733888,
                    2049499.9837424164,
                    -96.56743253462665
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:03:37+00:00",
            "end_time": "2019-01-21T18:03:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_702300e_2050500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -67.08355244138751,
              18.52638825691584,
              -111.06103696640983
            ],
            [
              -67.0835408469252,
              18.527428504065558,
              -111.06103696640983
            ],
            [
              -67.07407143292404,
              18.52733222233052,
              202.1589630335902
            ],
            [
              -67.0740830845896,
              18.526291980968605,
              202.1589630335902
            ],
            [
              -67.08355244138751,
              18.52638825691584,
              -111.06103696640983
            ]
          ]
        ]
      },
      "bbox": [
        -67.08355244,
        18.52629198,
        -111.061037,
        -67.07407143,
        18.5274285,
        202.158963
      ],
      "properties": {
        "datetime": "2019-01-21T18:03:52Z",
        "pc:count": 716076,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 702774.2972,
            "count": 716076,
            "maximum": 703300.0048,
            "minimum": 702300.0048,
            "name": "X",
            "position": 0,
            "stddev": 292.212408,
            "variance": 85388.0914
          },
          {
            "average": 2049548.738,
            "count": 716076,
            "maximum": 2049615.146,
            "minimum": 2049499.986,
            "name": "Y",
            "position": 1,
            "stddev": 26.35939971,
            "variance": 694.8179531
          },
          {
            "average": -0.1519433367,
            "count": 716076,
            "maximum": 202.158963,
            "minimum": -111.061037,
            "name": "Z",
            "position": 2,
            "stddev": 0.8882510051,
            "variance": 0.788989848
          },
          {
            "average": 445.837224,
            "count": 716076,
            "maximum": 2904,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 540.3842006,
            "variance": 292015.0843
          },
          {
            "average": 1.168357828,
            "count": 716076,
            "maximum": 7,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4316078714,
            "variance": 0.1862853547
          },
          {
            "average": 1.336271569,
            "count": 716076,
            "maximum": 7,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6014136325,
            "variance": 0.3616983574
          },
          {
            "average": 0.4462417397,
            "count": 716076,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4971019961,
            "variance": 0.2471103945
          },
          {
            "average": 0.006948983069,
            "count": 716076,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.08307047815,
            "variance": 0.00690070434
          },
          {
            "average": 27.52865338,
            "count": 716076,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.71195419,
            "variance": 428.9850464
          },
          {
            "average": -15.75834335,
            "count": 716076,
            "maximum": -10.00199986,
            "minimum": -22.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.078756268,
            "variance": 9.478740158
          },
          {
            "average": 0.8103846519,
            "count": 716076,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 0.9391210912,
            "variance": 0.8819484239
          },
          {
            "average": 76,
            "count": 716076,
            "maximum": 76,
            "minimum": 76,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 232129022.5,
            "count": 716076,
            "maximum": 232129032.6,
            "minimum": 232129012.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.710529319,
            "variance": 22.18908646
          },
          {
            "average": 0.8103846519,
            "count": 716076,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0.9391210912,
            "variance": 0.8819484239
          },
          {
            "average": 0,
            "count": 716076,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 716076,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.3715317927,
            "count": 716076,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4832144925,
            "variance": 0.2334962458
          },
          {
            "average": 0,
            "count": 716076,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          702300.0048,
          2049499.986,
          -111.061037,
          703300.0048,
          2049615.146,
          202.158963
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                702300.0047795754,
                2049499.9858799973,
                -111.06103696640983
              ],
              [
                702300.0047795754,
                2049615.1458799974,
                -111.06103696640983
              ],
              [
                703300.0047795754,
                2049615.1458799974,
                202.1589630335902
              ],
              [
                703300.0047795754,
                2049499.9858799973,
                202.1589630335902
              ],
              [
                702300.0047795754,
                2049499.9858799973,
                -111.06103696640983
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T18:03:52+00:00",
        "end_time": "2019-01-21T18:03:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_702300e_2050500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_702300e_2050500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_702300e_2050500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_702300e_2050500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -67.08355244,
            18.52629198,
            -111.061037,
            -67.07407143,
            18.5274285,
            202.158963
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -67.08355244138751,
                  18.52638825691584,
                  -111.06103696640983
                ],
                [
                  -67.0835408469252,
                  18.527428504065558,
                  -111.06103696640983
                ],
                [
                  -67.07407143292404,
                  18.52733222233052,
                  202.1589630335902
                ],
                [
                  -67.0740830845896,
                  18.526291980968605,
                  202.1589630335902
                ],
                [
                  -67.08355244138751,
                  18.52638825691584,
                  -111.06103696640983
                ]
              ]
            ]
          },
          "id": "20190121_702300e_2050500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_702300e_2050500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T18:03:52Z",
            "pc:count": 716076,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 702774.2972,
                "count": 716076,
                "maximum": 703300.0048,
                "minimum": 702300.0048,
                "name": "X",
                "position": 0,
                "stddev": 292.212408,
                "variance": 85388.0914
              },
              {
                "average": 2049548.738,
                "count": 716076,
                "maximum": 2049615.146,
                "minimum": 2049499.986,
                "name": "Y",
                "position": 1,
                "stddev": 26.35939971,
                "variance": 694.8179531
              },
              {
                "average": -0.1519433367,
                "count": 716076,
                "maximum": 202.158963,
                "minimum": -111.061037,
                "name": "Z",
                "position": 2,
                "stddev": 0.8882510051,
                "variance": 0.788989848
              },
              {
                "average": 445.837224,
                "count": 716076,
                "maximum": 2904,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 540.3842006,
                "variance": 292015.0843
              },
              {
                "average": 1.168357828,
                "count": 716076,
                "maximum": 7,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4316078714,
                "variance": 0.1862853547
              },
              {
                "average": 1.336271569,
                "count": 716076,
                "maximum": 7,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6014136325,
                "variance": 0.3616983574
              },
              {
                "average": 0.4462417397,
                "count": 716076,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4971019961,
                "variance": 0.2471103945
              },
              {
                "average": 0.006948983069,
                "count": 716076,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.08307047815,
                "variance": 0.00690070434
              },
              {
                "average": 27.52865338,
                "count": 716076,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.71195419,
                "variance": 428.9850464
              },
              {
                "average": -15.75834335,
                "count": 716076,
                "maximum": -10.00199986,
                "minimum": -22.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.078756268,
                "variance": 9.478740158
              },
              {
                "average": 0.8103846519,
                "count": 716076,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 0.9391210912,
                "variance": 0.8819484239
              },
              {
                "average": 76,
                "count": 716076,
                "maximum": 76,
                "minimum": 76,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 232129022.5,
                "count": 716076,
                "maximum": 232129032.6,
                "minimum": 232129012.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.710529319,
                "variance": 22.18908646
              },
              {
                "average": 0.8103846519,
                "count": 716076,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0.9391210912,
                "variance": 0.8819484239
              },
              {
                "average": 0,
                "count": 716076,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 716076,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.3715317927,
                "count": 716076,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4832144925,
                "variance": 0.2334962458
              },
              {
                "average": 0,
                "count": 716076,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              702300.0048,
              2049499.986,
              -111.061037,
              703300.0048,
              2049615.146,
              202.158963
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    702300.0047795754,
                    2049499.9858799973,
                    -111.06103696640983
                  ],
                  [
                    702300.0047795754,
                    2049615.1458799974,
                    -111.06103696640983
                  ],
                  [
                    703300.0047795754,
                    2049615.1458799974,
                    202.1589630335902
                  ],
                  [
                    703300.0047795754,
                    2049499.9858799973,
                    202.1589630335902
                  ],
                  [
                    702300.0047795754,
                    2049499.9858799973,
                    -111.06103696640983
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6318
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 19N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -69,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ],
                    "id": {
                      "authority": "EPSG",
                      "code": 16019
                    }
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "PRVD02 height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Puerto Rico Vertical Datum of 2002"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6641
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
            "start_time": "2019-01-21T18:03:52+00:00",
            "end_time": "2019-01-21T18:03:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20190121_730300e_2046500n.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -66.81889132625648,
              18.487387079834747,
              -116.79267338130734
            ],
            [
              -66.81877697427663,
              18.4964188524856,
              -116.79267338130734
            ],
            [
              -66.8093106540164,
              18.496309482401813,
              553.8473266186927
            ],
            [
              -66.80942550130848,
              18.48727776691342,
              553.8473266186927
            ],
            [
              -66.81889132625648,
              18.487387079834747,
              -116.79267338130734
            ]
          ]
        ]
      },
      "bbox": [
        -66.81889133,
        18.48727777,
        -116.7926734,
        -66.80931065,
        18.49641885,
        553.8473266
      ],
      "properties": {
        "datetime": "2019-01-21T20:01:14Z",
        "pc:count": 20596408,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 730803.5447,
            "count": 20596408,
            "maximum": 731300.0105,
            "minimum": 730299.9905,
            "name": "X",
            "position": 0,
            "stddev": 289.9839424,
            "variance": 84090.68682
          },
          {
            "average": 2045963.285,
            "count": 20596408,
            "maximum": 2046499.999,
            "minimum": 2045499.979,
            "name": "Y",
            "position": 1,
            "stddev": 260.8469322,
            "variance": 68041.12204
          },
          {
            "average": 2.099762097,
            "count": 20596408,
            "maximum": 553.8473266,
            "minimum": -116.7926734,
            "name": "Z",
            "position": 2,
            "stddev": 10.89789804,
            "variance": 118.7641817
          },
          {
            "average": 1101.235195,
            "count": 20596408,
            "maximum": 4546,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 692.6006296,
            "variance": 479695.6321
          },
          {
            "average": 1.556583896,
            "count": 20596408,
            "maximum": 14,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9339837419,
            "variance": 0.8723256301
          },
          {
            "average": 2.113204302,
            "count": 20596408,
            "maximum": 14,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.32307138,
            "variance": 1.750517875
          },
          {
            "average": 0.4220326671,
            "count": 20596408,
            "maximum": 1,
            "minimum": 0,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0.4938836977,
            "variance": 0.2439211068
          },
          {
            "average": 0.001851536443,
            "count": 20596408,
            "maximum": 1,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0.04298963067,
            "variance": 0.001848108345
          },
          {
            "average": 16.72355437,
            "count": 20596408,
            "maximum": 45,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 20.45292652,
            "variance": 418.3222031
          },
          {
            "average": -0.8609374722,
            "count": 20596408,
            "maximum": 24.06599998,
            "minimum": -22.75200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 13.73267776,
            "variance": 188.5864384
          },
          {
            "average": 0.9153234875,
            "count": 20596408,
            "maximum": 3,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 1.031546457,
            "variance": 1.064088093
          },
          {
            "average": 88.63901905,
            "count": 20596408,
            "maximum": 91,
            "minimum": 86,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.1416337,
            "variance": 1.303327505
          },
          {
            "average": 232134928.4,
            "count": 20596408,
            "maximum": 232136074.3,
            "minimum": 232133569.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 629.7310358,
            "variance": 396561.1774
          },
          {
            "average": 0.9153234875,
            "count": 20596408,
            "maximum": 3,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 1.031546457,
            "variance": 1.064088093
          },
          {
            "average": 0,
            "count": 20596408,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20596408,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.2393093495,
            "count": 20596408,
            "maximum": 1,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0.4266619195,
            "variance": 0.1820403936
          },
          {
            "average": 0,
            "count": 20596408,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          730299.9905,
          2045499.979,
          -116.7926734,
          731300.0105,
          2046499.999,
          553.8473266
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                730299.9904858004,
                2045499.9794151431,
                -116.79267338130734
              ],
              [
                730299.9904858004,
                2046499.9994151432,
                -116.79267338130734
              ],
              [
                731300.0104858004,
                2046499.9994151432,
                553.8473266186927
              ],
              [
                731300.0104858004,
                2045499.9794151431,
                553.8473266186927
              ],
              [
                730299.9904858004,
                2045499.9794151431,
                -116.79267338130734
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(2011) / UTM Zone 19N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(2011)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System 2011)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6318
                }
              },
              "conversion": {
                "name": "UTM zone 19N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -69,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ],
                "id": {
                  "authority": "EPSG",
                  "code": 16019
                }
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              }
            },
            {
              "type": "VerticalCRS",
              "name": "PRVD02 height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Puerto Rico Vertical Datum of 2002"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6641
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(2011) / UTM Zone 19N\",GEOGCS[\"NAD83(2011)\",DATUM[\"NAD83_National_Spatial_Reference_System_2011\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],AUTHORITY[\"EPSG\",\"1116\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6318\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-69],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
        "start_time": "2019-01-21T20:01:14+00:00",
        "end_time": "2019-01-21T19:19:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/stac/pr_block_01/20190121_730300e_2046500n.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20190121_730300e_2046500n.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9390/pr_block_01/20190121_730300e_2046500n.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_730300e_2046500n.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -66.81889133,
            18.48727777,
            -116.7926734,
            -66.80931065,
            18.49641885,
            553.8473266
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -66.81889132625648,
                  18.487387079834747,
                  -116.79267338130734
                ],
                [
                  -66.81877697427663,
                  18.4964188524856,
                  -116.79267338130734
                ],
                [
                  -66.8093106540164,
                  18.496309482401813,
                  553.8473266186927
                ],
                [
                  -66.80942550130848,
                  18.48727776691342,
                  553.8473266186927
                ],
                [
                  -66.81889132625648,
                  18.487387079834747,
                  -116.79267338130734
                ]
              ]
            ]
          },
          "id": "20190121_730300e_2046500n.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid18/data/9390/pr_block_01/20190121_730300e_2046500n.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2019-01-21T20:01:14Z",
            "pc:count": 20596408,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 730803.5447,
                "count": 20596408,
                "maximum": 731300.0105,
                "minimum": 730299.9905,
                "name": "X",
                "position": 0,
                "stddev": 289.9839424,
                "variance": 84090.68682
              },
              {
                "average": 2045963.285,
                "count": 20596408,
                "maximum": 2046499.999,
                "minimum": 2045499.979,
                "name": "Y",
                "position": 1,
                "stddev": 260.8469322,
                "variance": 68041.12204
              },
              {
                "average": 2.099762097,
                "count": 20596408,
                "maximum": 553.8473266,
                "minimum": -116.7926734,
                "name": "Z",
                "position": 2,
                "stddev": 10.89789804,
                "variance": 118.7641817
              },
              {
                "average": 1101.235195,
                "count": 20596408,
                "maximum": 4546,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 692.6006296,
                "variance": 479695.6321
              },
              {
                "average": 1.556583896,
                "count": 20596408,
                "maximum": 14,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9339837419,
                "variance": 0.8723256301
              },
              {
                "average": 2.113204302,
                "count": 20596408,
                "maximum": 14,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.32307138,
                "variance": 1.750517875
              },
              {
                "average": 0.4220326671,
                "count": 20596408,
                "maximum": 1,
                "minimum": 0,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0.4938836977,
                "variance": 0.2439211068
              },
              {
                "average": 0.001851536443,
                "count": 20596408,
                "maximum": 1,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0.04298963067,
                "variance": 0.001848108345
              },
              {
                "average": 16.72355437,
                "count": 20596408,
                "maximum": 45,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 20.45292652,
                "variance": 418.3222031
              },
              {
                "average": -0.8609374722,
                "count": 20596408,
                "maximum": 24.06599998,
                "minimum": -22.75200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 13.73267776,
                "variance": 188.5864384
              },
              {
                "average": 0.9153234875,
                "count": 20596408,
                "maximum": 3,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 1.031546457,
                "variance": 1.064088093
              },
              {
                "average": 88.63901905,
                "count": 20596408,
                "maximum": 91,
                "minimum": 86,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.1416337,
                "variance": 1.303327505
              },
              {
                "average": 232134928.4,
                "count": 20596408,
                "maximum": 232136074.3,
                "minimum": 232133569.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 629.7310358,
                "variance": 396561.1774
              },
              {
                "average": 0.9153234875,
                "count": 20596408,
                "maximum": 3,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 1.031546457,
                "variance": 1.064088093
              },
              {
                "average": 0,
                "count": 20596408,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20596408,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.2393093495,
                "count": 20596408,
                "maximum": 1,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0.4266619195,
                "variance": 0.1820403936
              },
              {
                "average": 0,
                "count": 20596408,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              730299.9905,
              2045499.979,
              -116.7926734,
              731300.0105,
              2046499.999,
              553.8473266
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    730299.9904858004,
                    2045499.9794151431,
                    -116.79267338130734
                  ],
                  [
                    730299.9904858004,
                    2046499.9994151432,
                    -116.79267338130734
                  ],
                  [
                    731300.0104858004,
                    2046499.9994151432,
                    553.8473266186927
                  ],
                  [
                    731300.0104858004,
                    2045499.9794151431,
                    553.8473266186927
                  ],
                  [
                    730299.9904858004,
                    2045499.9794151431,
                    -116.79267338130734
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(2011) / UTM Zone 19N + PRVD02 height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(2011) / UTM Zone 19N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(2011)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System 2011)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          