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      • North American Vertical Datum of 1988 (NAVD 88) consists of a leveling network on the North American Continent, ranging from Alaska, through Canada, across the United States, affixed to a single origin point on the continent: Tide Station & Location = Pointe-au-Pere,Rimouski, Quebec, Canada PID = TY5255 GSD* Designation = 54L071 Bench Mark = 1250 G Ht above LMSL(Meters) = 6.271 * Geodetic Survey of Canada = GSD In 1993 NAVD 88 was affirmed as the official vertical datum in the National Spatial...
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  2. The North American Vertical Datum of 1988 (NAVD 88) is the vertical datum for orthometric heights established for vertical control surveying in the United States of America based upon the General Adjustment of the North American Datum of 1988.

  3. European Datum 1950: SAD69: South American Datum 1969: GRS 80: Geodetic Reference System 1980: ISO 6709: Geographic point coord. 1983: NAD 83: North American Datum 1983: WGS 84: World Geodetic System 1984: NAVD 88: N. American Vertical Datum 1988: ETRS89: European Terrestrial Ref. Sys. 1989: GCJ-02: Chinese obfuscated datum 2002: Geo URI ...

  4. The North American Vertical Datum of 1988 (NAVD 88) is the vertical control datum established in 1991 by the minimum-constraint adjustment of the Canadian-Mexican-United States leveling observations.

  5. Dec 7, 2023 · North American Vertical Datum of 1988 (NAVD 88) This vertical datum allows measurement of land elevations and water depths. International Reference Frames. A Terrestrial Reference frame provides a set of coordinates of some points located on the Earth's surface.

  6. Sep 15, 2023 · The North American Datum of 1983 (NAD 83) and the North American Vertical Datum of 1988 (NAVD 88) provide a more accurate representation of the Earth's shape and a more accurate depiction of the location of objects in North America than previous datums.

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