US survey foot
National Geodetic Vertical Datum 1929
EPSG
National Geodetic Survey, http://www.ngs.noaa.gov
2021-04-20
Geodesy, engineering survey.
Replaced by NAVD88 depth (ftUS) (CRS code 6358).
36.9 -95.85
24.41 -124.79
49.38 -66.91
-124.79 24.41
-66.91 49.38
Definition: OGC Well Known Text
VERT_CS["NGVD29 depth (ftUS)", VERT_DATUM["National Geodetic Vertical Datum 1929",2005, AUTHORITY["EPSG","5102"]], UNIT["US survey foot",0.304800609601219, AUTHORITY["EPSG","9003"]], AXIS["Depth",DOWN], AUTHORITY["EPSG","6359"]]
Definition: OGC Well Known Text 2 (2019)
VERTCRS["NGVD29 depth (ftUS)", VDATUM["National Geodetic Vertical Datum 1929"], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["US survey foot",0.304800609601219]], USAGE[ SCOPE["Geodesy, engineering survey."], AREA["United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming."], BBOX[24.41,-124.79,49.38,-66.91]], ID["EPSG",6359]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "NGVD29 depth (ftUS)", "datum": { "type": "VerticalReferenceFrame", "name": "National Geodetic Vertical Datum 1929" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 } } ] }, "scope": "Geodesy, engineering survey.", "area": "United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming.", "bbox": { "south_latitude": 24.41, "west_longitude": -124.79, "north_latitude": 49.38, "east_longitude": -66.91 }, "id": { "authority": "EPSG", "code": 6359 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+vunits=us-ft +no_defs +type=crs"> <Layer srs="+vunits=us-ft +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6359, 'EPSG', 6359, '+vunits=us-ft +no_defs +type=crs', 'VERT_CS["NGVD29 depth (ftUS)",VERT_DATUM["National Geodetic Vertical Datum 1929",2005,AUTHORITY["EPSG","5102"]],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Depth",DOWN],AUTHORITY["EPSG","6359"]]');