EPSG
OSG Technical Report #10, February 2001.
2011-01-25
Geodesy, engineering survey, topographic mapping.
New Zealand - South Island - between approximately 44°S and 46°S - Dunedin vertical CRS area.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Dunedin 1958", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "New Zealand - South Island - between approximately 44°S and 46°S - Dunedin vertical CRS area.", "bbox": { "south_latitude": -46.4, "west_longitude": 167.73, "north_latitude": -43.82, "east_longitude": 171.28 }, "id": { "authority": "EPSG", "code": 5159 } }