EPSG
"Land Surveyor's Handbook", 1935, published under the direction of JW MacGillivray, Surveyor General, Land & Survey's Department, Trinidad & Tobago.
2008-06-24
Topographic mapping.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Trinidad 1903", "ellipsoid": { "name": "Clarke 1858", "semi_major_axis": { "value": 20926348, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } }, "semi_minor_axis": { "value": 20855233, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } } }, "scope": "Topographic mapping.", "area": "Trinidad and Tobago - Trinidad - onshore and offshore.", "bbox": { "south_latitude": 9.83, "west_longitude": -62.09, "north_latitude": 11.51, "east_longitude": -60 }, "id": { "authority": "EPSG", "code": 6302 } }