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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.
- North American Datum - Wikipedia
Vertical measurements, based on distances above or below...
- North American Vertical Datum of 1988 - Simple English ...
The North American Vertical Datum of 1988 (NAVD 88) is a...
- North American Datum - Wikipedia
Jul 12, 2018 · NAVD 88 is the vertical control datum established by the Canadian-Mexican-United States leveling observations in 1991. It fixes the height of the primary tidal bench mark at Father Point/Rimouski, Quebec, Canada, and is the official vertical datum for the Conterminous United States and Alaska.
- TY5255
- Quebec, Canada
- Pointe-au-Pere, Rimouski
- 54L071
Nov 4, 2020 · Learn how the NAVD 88 was created and why it is important for national projects involving height measurement. The article traces the history of geodetic surveying and leveling in the U.S. from 19th to 20th century.
Mar 5, 2020 · Learn about the vertical control datum for surveying in the US based on the North American Datum of 1988. It replaces the NGVD of 1929 and was last updated in 2020.
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.
