Topographic mapping.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Grenada 1953", "ellipsoid": { "name": "Clarke 1880 (RGS)", "semi_major_axis": 6378249.145, "inverse_flattening": 293.465 }, "scope": "Topographic mapping.", "area": "Grenada and southern Grenadine Islands - onshore.", "bbox": { "south_latitude": 11.94, "west_longitude": -61.84, "north_latitude": 12.57, "east_longitude": -61.35 }, "id": { "authority": "EPSG", "code": 6603 } }