Topographic mapping.
Naparima 1972 is an extension to Tobago of the Naparima 1955 network of Trinidad.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Naparima 1972", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Topographic mapping.", "area": "Trinidad and Tobago - Tobago - onshore.", "bbox": { "south_latitude": 11.08, "west_longitude": -60.9, "north_latitude": 11.41, "east_longitude": -60.44 }, "id": { "authority": "EPSG", "code": 6271 } }