EPSG
National Geodetic Survey; http://www.ngs.noaa.gov
2013-10-18
Geodesy, topographic mapping.
Replaces all earlier vertical datums on these islands.
Northern Mariana Islands - onshore - Rota, Saipan and Tinian.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Northern Marianas Vertical Datum of 2003", "scope": "Geodesy, topographic mapping.", "area": "Northern Mariana Islands - onshore - Rota, Saipan and Tinian.", "bbox": { "south_latitude": 14.06, "west_longitude": 145.06, "north_latitude": 15.35, "east_longitude": 145.89 }, "id": { "authority": "EPSG", "code": 1119 } }