Topographic mapping.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Jamaica 1875", "ellipsoid": { "name": "Clarke 1880", "semi_major_axis": { "value": 20926202, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } }, "semi_minor_axis": { "value": 20854895, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } } }, "scope": "Topographic mapping.", "area": "Jamaica - onshore.", "bbox": { "south_latitude": 17.64, "west_longitude": -78.43, "north_latitude": 18.58, "east_longitude": -76.17 }, "id": { "authority": "EPSG", "code": 6241 } }