Topographic mapping.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Bioko", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Topographic mapping.", "area": "Equatorial Guinea - Bioko onshore.", "bbox": { "south_latitude": 3.14, "west_longitude": 8.37, "north_latitude": 3.82, "east_longitude": 9.02 }, "id": { "authority": "EPSG", "code": 1136 } }