IGNF:WGS72G.NGC48 - WGS72 geographiques (dms) et NIVELLEMENT GENERAL DE LA CORSE (NGC)

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "WGS72 geographiques (dms) et NIVELLEMENT GENERAL DE LA CORSE (NGC)",
  "components": [
    {
      "type": "GeographicCRS",
      "name": "WGS72 geographiques (dms)",
      "datum": {
        "type": "DynamicGeodeticReferenceFrame",
        "name": "World Geodetic System 1972",
        "frame_reference_epoch": 1972,
        "ellipsoid": {
          "name": "WGS 72",
          "semi_major_axis": 6378135,
          "inverse_flattening": 298.26
        }
      },
      "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": "NIVELLEMENT GENERAL DE LA CORSE (NGC)",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "NIVELLEMENT GENERAL DE LA CORSE (NGC)"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "LOCALE, HISTORIQUE",
  "area": "CORSE",
  "bbox": {
    "south_latitude": 41.2,
    "west_longitude": 8,
    "north_latitude": 43.5,
    "east_longitude": 10
  },
  "id": {
    "authority": "IGNF",
    "code": "WGS72G.NGC48"
  }
}

{'crs_wkt': 'COMPOUNDCRS["WGS72 geographiques (dms) et NIVELLEMENT GENERAL DE '
            'LA CORSE (NGC)",GEOGCRS["WGS72 geographiques '
            '(dms)",DYNAMIC[FRAMEEPOCH[1972]],DATUM["World Geodetic System '
            '1972",ELLIPSOID["WGS '
            '72",6378135,298.26,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic '
            'longitude '
            '(Lon)",east,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]]],VERTCRS["NIVELLEMENT '
            'GENERAL DE LA CORSE (NGC)",VDATUM["NIVELLEMENT GENERAL DE LA '
            'CORSE (NGC)"],CS[vertical,1],AXIS["gravity-related height '
            '(H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["LOCALE, '
            'HISTORIQUE"],AREA["CORSE"],BBOX[41.2,8,43.5,10]],ID["IGNF","WGS72G.NGC48"]]',
 'geographic_crs_name': 'WGS72 geographiques (dms)',
 'geopotential_datum_name': 'NIVELLEMENT GENERAL DE LA CORSE (NGC)',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'World Geodetic System 1972',
 'inverse_flattening': 298.26,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'WGS 72',
 'semi_major_axis': 6378135.0,
 'semi_minor_axis': 6356750.520016094}