Topographic mapping.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Ain el Abd 1970", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Topographic mapping.", "area": "Bahrain, Kuwait and Saudi Arabia - onshore.", "bbox": { "south_latitude": 16.37, "west_longitude": 34.51, "north_latitude": 32.16, "east_longitude": 55.67 }, "id": { "authority": "EPSG", "code": 6204 } }