IGNF:RRAFG.MART87 - RRAF geographiques (dms) et IGN 1987 (MARTINIQUE)

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "RRAF geographiques (dms) et IGN 1987 (MARTINIQUE)",
  "components": [
    {
      "type": "GeographicCRS",
      "name": "RRAF geographiques (dms)",
      "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Reseau de Reference des Antilles Francaises 1991",
        "ellipsoid": {
          "name": "WGS 84",
          "semi_major_axis": 6378137,
          "inverse_flattening": 298.257223563
        }
      },
      "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
          {
            "name": "Geodetic longitude",
            "abbreviation": "Lon",
            "direction": "east",
            "unit": "degree"
          },
          {
            "name": "Geodetic latitude",
            "abbreviation": "Lat",
            "direction": "north",
            "unit": "degree"
          }
        ]
      }
    },
    {
      "type": "VerticalCRS",
      "name": "IGN 1987 (MARTINIQUE)",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "IGN 1987 (MARTINIQUE)"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "NATIONALE A CARACTERE LEGAL",
  "area": "MARTINIQUE",
  "bbox": {
    "south_latitude": 14.27,
    "west_longitude": -61.25,
    "north_latitude": 15,
    "east_longitude": -60.75
  },
  "id": {
    "authority": "IGNF",
    "code": "RRAFG.MART87"
  }
}

{'crs_wkt': 'COMPOUNDCRS["RRAF geographiques (dms) et IGN 1987 '
            '(MARTINIQUE)",GEOGCRS["RRAF geographiques (dms)",DATUM["Reseau de '
            'Reference des Antilles Francaises 1991",ELLIPSOID["WGS '
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            'longitude '
            '(Lon)",east,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]]],VERTCRS["IGN '
            '1987 (MARTINIQUE)",VDATUM["IGN 1987 '
            '(MARTINIQUE)"],CS[vertical,1],AXIS["gravity-related height '
            '(H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["NATIONALE A '
            'CARACTERE '
            'LEGAL"],AREA["MARTINIQUE"],BBOX[14.27,-61.25,15,-60.75]],ID["IGNF","RRAFG.MART87"]]',
 'geographic_crs_name': 'RRAF geographiques (dms)',
 'geopotential_datum_name': 'IGN 1987 (MARTINIQUE)',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'Reseau de Reference des Antilles Francaises 1991',
 'inverse_flattening': 298.257223563,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'WGS 84',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314245179}