foot
Engineering survey, GIS, topographic mapping.
None
United States (USA) - onshore - Arizona; Michigan; Montana; North Dakota; Oregon; South Carolina.
Data Source: EPSG v11.016 2024-08-31
Datum: North American Vertical Datum 1988
Coordinate System: vertical
Projection: Undefined
Geodetic CRS: Undefined
VERTCRS["NAVD88 height (ft)", VDATUM["North American Vertical Datum 1988"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["foot",0.3048]], USAGE[ SCOPE["Engineering survey, GIS, topographic mapping."], AREA["United States (USA) - onshore - Arizona; Michigan; Montana; North Dakota; Oregon; South Carolina."], BBOX[31.33,-124.6,49.01,-78.52]], ID["EPSG",8228]]
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "NAVD88 height (ft)", "datum": { "type": "VerticalReferenceFrame", "name": "North American Vertical Datum 1988" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 } } ] }, "scope": "Engineering survey, GIS, topographic mapping.", "area": "United States (USA) - onshore - Arizona; Michigan; Montana; North Dakota; Oregon; South Carolina.", "bbox": { "south_latitude": 31.33, "west_longitude": -124.6, "north_latitude": 49.01, "east_longitude": -78.52 }, "id": { "authority": "EPSG", "code": 8228 } }
{'crs_wkt': 'VERTCRS["NAVD88 height (ft)",VDATUM["North American Vertical ' 'Datum 1988"],CS[vertical,1],AXIS["gravity-related height ' '(H)",up,LENGTHUNIT["foot",0.3048]],USAGE[SCOPE["Engineering ' 'survey, GIS, topographic mapping."],AREA["United States (USA) - ' 'onshore - Arizona; Michigan; Montana; North Dakota; Oregon; South ' 'Carolina."],BBOX[31.33,-124.6,49.01,-78.52]],ID["EPSG",8228]]', 'geopotential_datum_name': 'North American Vertical Datum 1988'}