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      • From Wikipedia, the free encyclopedia. The North Amer­i­can Ver­ti­cal Datum of 1988 ( NAVD 88) is the ver­ti­cal con­trol datum of or­tho­me­t­ric height es­tab­lished for ver­ti­cal con­trol sur­vey­ing in the United States of Amer­ica based upon the Gen­eral Ad­just­ment of the North Amer­i­can Datum of 1988.
      wiki2.org/en/North_American_Vertical_Datum_of_1988
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  2. North American Vertical Datum of 1988 - Wikipedia

    en.wikipedia.org/wiki/North_American_Vertical...

    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. It superseded the National Geodetic Vertical Datum of 1929 (NGVD 29), previously known as the Sea Level Datum of 1929.

  3. North American Vertical Datum of 1988 - WIKI 2. Wikipedia ...

    wiki2.org/en/North_American_Vertical_Datum_of_1988

    The North Amer­i­can Ver­ti­cal Datum of 1988 ( NAVD 88) is the ver­ti­cal con­trol datum of or­tho­me­t­ric height es­tab­lished for ver­ti­cal con­trol sur­vey­ing in the United States of Amer­ica based upon the Gen­eral Ad­just­ment of the North Amer­i­can Datum of 1988.

  4. Vertical datum - Wikipedia

    en.wikipedia.org/wiki/Vertical_datum

    Netherlands: Amsterdam Ordnance Datum, was also used by Prussia; Switzerland: Metres above the Sea; United States: National Geodetic Vertical Datum of 1929, North American Vertical Datum of 1988, and the difference of the two in VERTCON; See also

  5. North American Vertical Datum of 1988 (NAVD 88) - Vertical ...

    www.ngs.noaa.gov/datums/vertical/north-american...

    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. In 1993 NAVD 88 was affirmed as the official vertical datum in the National Spatial Reference System (NSRS) for the Conterminous United States and Alaska (see Federal Register Notice (FRN)).

  6. North American Vertical Datum of 1988 - Infogalactic: the ...

    infogalactic.com/info/North_American_Vertical...

    The North American Vertical Datum of 1988 (NAVD 88) is the vertical control datum of orthometric height established for vertical control surveying in the United States of America based upon the General Adjustment of the North American Datum of 1988.

  7. Geodetic datum - Wikipedia

    en.wikipedia.org/wiki/Geodetic_datum

    The WGS 84 datum, within two meters of the NAD83 datum used in North America, is the only world referencing system in place today. WGS 84 is the default standard datum for coordinates stored in recreational and commercial GPS units. Users of GPS are cautioned that they must always check the datum of the maps they are using.

  8. North American Vertical Datum of 1988 - Wikipedia

    ro.wikipedia.org/wiki/North_American_Vertical...

    North American Vertical Datum of 1988. De la Wikipedia, enciclopedia liberă. Jump to navigation Jump to search. Geodezie. Concepte fundamentale. Cartografiere. Geodezie. Geodinamică. Geomatică.

  9. Jul 12, 2018 · The North American Datum of 1983 (NAD 83) is the horizontal control datum for the United States, Canada, Mexico, and Central America, based on a geocentric origin and the Geodetic Reference System 1980. This datum, NAD 83, is the current geodetic reference system.

  10. NOAA/NOS's VDatum: A tutorial on datums

    vdatum.noaa.gov/docs/datums.html

    The North American Vertical Datum 1988 (NAVD 88) was affirmed as the official civilian vertical datum for surveying and mapping activities in the United States for the United States performed or financed by the Federal Government in June 24, 1993 (Federal Register/Vol. 58, No. 120/Thursday, June 24, 1993/page 34245).

  11. San Juan Mountains - Wikipedia

    en.wikipedia.org/wiki/San_Juan_Mountains

    Purgatory Resort, once known as Durango Mountain Resort, is a small ski area 26 miles north of Durango. There is also skiing on Wolf Creek Pass at the Wolf Creek ski area . Recently Silverton Mountain ski area has begun operation near Silverton.

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