EPSG
IGN Paris
2008-09-17
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Nivellement General Guyanais 1977", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "French Guiana - onshore.", "bbox": { "south_latitude": 2.11, "west_longitude": -54.61, "north_latitude": 5.81, "east_longitude": -51.61 }, "id": { "authority": "EPSG", "code": 5153 } }