EPSG:6167 - ETRS89 / NTM zone 27 + NN54 height

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "ETRS89 / NTM zone 27 + NN54 height",
  "components": [
    {
      "type": "ProjectedCRS",
      "name": "ETRS89 / NTM zone 27",
      "base_crs": {
        "name": "ETRS89",
        "datum_ensemble": {
          "name": "European Terrestrial Reference System 1989 ensemble",
          "members": [
            {
              "name": "European Terrestrial Reference Frame 1989",
              "id": {
                "authority": "EPSG",
                "code": 1178
              }
            },
            {
              "name": "European Terrestrial Reference Frame 1990",
              "id": {
                "authority": "EPSG",
                "code": 1179
              }
            },
            {
              "name": "European Terrestrial Reference Frame 1991",
              "id": {
                "authority": "EPSG",
                "code": 1180
              }
            },
            {
              "name": "European Terrestrial Reference Frame 1992",
              "id": {
                "authority": "EPSG",
                "code": 1181
              }
            },
            {
              "name": "European Terrestrial Reference Frame 1993",
              "id": {
                "authority": "EPSG",
                "code": 1182
              }
            },
            {
              "name": "European Terrestrial Reference Frame 1994",
              "id": {
                "authority": "EPSG",
                "code": 1183
              }
            },
            {
              "name": "European Terrestrial Reference Frame 1996",
              "id": {
                "authority": "EPSG",
                "code": 1184
              }
            },
            {
              "name": "European Terrestrial Reference Frame 1997",
              "id": {
                "authority": "EPSG",
                "code": 1185
              }
            },
            {
              "name": "European Terrestrial Reference Frame 2000",
              "id": {
                "authority": "EPSG",
                "code": 1186
              }
            },
            {
              "name": "European Terrestrial Reference Frame 2005",
              "id": {
                "authority": "EPSG",
                "code": 1204
              }
            },
            {
              "name": "European Terrestrial Reference Frame 2014",
              "id": {
                "authority": "EPSG",
                "code": 1206
              }
            },
            {
              "name": "European Terrestrial Reference Frame 2020",
              "id": {
                "authority": "EPSG",
                "code": 1382
              }
            }
          ],
          "ellipsoid": {
            "name": "GRS 1980",
            "semi_major_axis": 6378137,
            "inverse_flattening": 298.257222101
          },
          "accuracy": "0.1",
          "id": {
            "authority": "EPSG",
            "code": 6258
          }
        },
        "coordinate_system": {
          "subtype": "ellipsoidal",
          "axis": [
            {
              "name": "Geodetic latitude",
              "abbreviation": "Lat",
              "direction": "north",
              "unit": "degree"
            },
            {
              "name": "Geodetic longitude",
              "abbreviation": "Lon",
              "direction": "east",
              "unit": "degree"
            }
          ]
        },
        "id": {
          "authority": "EPSG",
          "code": 4258
        }
      },
      "conversion": {
        "name": "Norway TM zone 27",
        "method": {
          "name": "Transverse Mercator",
          "id": {
            "authority": "EPSG",
            "code": 9807
          }
        },
        "parameters": [
          {
            "name": "Latitude of natural origin",
            "value": 58,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8801
            }
          },
          {
            "name": "Longitude of natural origin",
            "value": 27.5,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8802
            }
          },
          {
            "name": "Scale factor at natural origin",
            "value": 1,
            "unit": "unity",
            "id": {
              "authority": "EPSG",
              "code": 8805
            }
          },
          {
            "name": "False easting",
            "value": 100000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8806
            }
          },
          {
            "name": "False northing",
            "value": 1000000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8807
            }
          }
        ]
      },
      "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
          {
            "name": "Northing",
            "abbreviation": "N",
            "direction": "north",
            "unit": "metre"
          },
          {
            "name": "Easting",
            "abbreviation": "E",
            "direction": "east",
            "unit": "metre"
          }
        ]
      }
    },
    {
      "type": "VerticalCRS",
      "name": "NN54 height",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "Norway Normal Null 1954"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "Engineering survey.",
  "area": "Norway - onshore - between 27°E and 28°E.",
  "bbox": {
    "south_latitude": 69.9,
    "west_longitude": 27,
    "north_latitude": 71.19,
    "east_longitude": 28.01
  },
  "id": {
    "authority": "EPSG",
    "code": 6167
  }
}

{'crs_wkt': 'COMPOUNDCRS["ETRS89 / NTM zone 27 + NN54 height",PROJCRS["ETRS89 '
            '/ NTM zone 27",BASEGEOGCRS["ETRS89",ENSEMBLE["European '
            'Terrestrial Reference System 1989 ensemble",MEMBER["European '
            'Terrestrial Reference Frame 1989"],MEMBER["European Terrestrial '
            'Reference Frame 1990"],MEMBER["European Terrestrial Reference '
            'Frame 1991"],MEMBER["European Terrestrial Reference Frame '
            '1992"],MEMBER["European Terrestrial Reference Frame '
            '1993"],MEMBER["European Terrestrial Reference Frame '
            '1994"],MEMBER["European Terrestrial Reference Frame '
            '1996"],MEMBER["European Terrestrial Reference Frame '
            '1997"],MEMBER["European Terrestrial Reference Frame '
            '2000"],MEMBER["European Terrestrial Reference Frame '
            '2005"],MEMBER["European Terrestrial Reference Frame '
            '2014"],MEMBER["European Terrestrial Reference Frame '
            '2020"],ELLIPSOID["GRS '
            '1980",6378137,298.257222101,LENGTHUNIT["metre",1]],ENSEMBLEACCURACY[0.1]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4258]],CONVERSION["Norway '
            'TM zone 27",METHOD["Transverse '
            'Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural '
            'origin",58,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
            'of natural '
            'origin",27.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
            'factor at natural '
            'origin",1,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
            'easting",100000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",1000000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["northing '
            '(N)",north,ORDER[1],LENGTHUNIT["metre",1]],AXIS["easting '
            '(E)",east,ORDER[2],LENGTHUNIT["metre",1]]],VERTCRS["NN54 '
            'height",VDATUM["Norway Normal Null '
            '1954"],CS[vertical,1],AXIS["gravity-related height '
            '(H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering '
            'survey."],AREA["Norway - onshore - between 27°E and '
            '28°E."],BBOX[69.9,27,71.19,28.01]],ID["EPSG",6167]]',
 'false_easting': 100000.0,
 'false_northing': 1000000.0,
 'geographic_crs_name': 'ETRS89',
 'geopotential_datum_name': 'Norway Normal Null 1954',
 'grid_mapping_name': 'transverse_mercator',
 'horizontal_datum_name': 'European Terrestrial Reference System 1989 ensemble',
 'inverse_flattening': 298.257222101,
 'latitude_of_projection_origin': 58.0,
 'longitude_of_central_meridian': 27.5,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'projected_crs_name': 'ETRS89 / NTM zone 27',
 'reference_ellipsoid_name': 'GRS 1980',
 'scale_factor_at_central_meridian': 1.0,
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314140356}