EPSG
National Geodetic Survey; http://www.ngs.noaa.gov
2013-10-25
Geodesy, topographic mapping.
Replaces all earlier vertical datums on these islands.
US Virgin Islands - onshore - St Croix, St John, and St Thomas.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Virgin Islands Vertical Datum of 2009", "scope": "Geodesy, topographic mapping.", "area": "US Virgin Islands - onshore - St Croix, St John, and St Thomas.", "bbox": { "south_latitude": 17.62, "west_longitude": -65.09, "north_latitude": 18.44, "east_longitude": -64.51 }, "id": { "authority": "EPSG", "code": 1124 } }