EPSG:CODE

EPSG:7968 — NGVD29 height (m)

Vertical · USA - CONUS - onshore

Export Formats

OGC WKT
VERT_CS[
    "NGVD29 height (m)",
    VERT_DATUM[
        "National Geodetic Vertical Datum 1929",
        2005,
        AUTHORITY["EPSG","5102"]
    ],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","7968"]
]

Related Coordinate Systems

Available Transformations (3)

Transformation Source → Target Accuracy (m)
NGVD29 height (m) to NAVD88 height (1)
7968 → 5703 0.02
NGVD29 height (m) to NAVD88 height (2)
7968 → 5703 0.02
NGVD29 height (m) to NAVD88 height (3)
7968 → 5703 0.02

Other CRS using National Geodetic Vertical Datum 1929

Frequently Asked Questions

How do I add EPSG:7968 to GeoServer?

Add the following definition to your GeoServer configuration: 

7968=VERT_CS["NGVD29 height (m)",VERT_DATUM["National Geodetic Vertical Datum 1929",2005,AUTHORITY["EPSG","5102"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7968"]]
Read the full GeoServer guide →

How do I add EPSG:7968 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7968, 'EPSG', 7968, '+vunits=m +no_defs +type=crs', 'VERT_CS["NGVD29 height (m)",VERT_DATUM["National Geodetic Vertical Datum 1929",2005,AUTHORITY["EPSG","5102"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7968"]]');
Read the full PostGIS guide →

How do I add EPSG:7968 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:7968 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:7968", "+vunits=m +no_defs +type=crs");
Read the full Proj4js guide →