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    When was NAVD 88 adopted?

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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.

  3. North American Datum - Wikipedia

    en.wikipedia.org/wiki/North_American_Datum

    The North American Datum (NAD) is the horizontal datum now used to define the geodetic network in North America. A datum is a formal description of the shape of the Earth along with an "anchor" point for the coordinate system. In surveying, cartography, and land-use planning, two North

  4. 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.

  5. Vertical datum - Wikipedia

    en.wikipedia.org/wiki/Vertical_datum

    A vertical datum or height datum is a reference surface for vertical positions, such as the elevations of Earth features including terrain, bathymetry, water level, and man-made structures; in any particular case one must be assigned even if arbitrarily, and commonly adopted criteria for a vertical datum include the following approaches:

  6. North American Vertical Datum of 1988 - Wikipedia

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

    Datele verticalității în America de Nord (din 1988), acronim NAVD88 (în original, The North American Vertical Datum of 1988) este un set de măsurători de date geodezice referitoare la înălțimea ortometrică stabilită pentru a controla topografierea în Statele Unite ale Americii, bazată pe Ajustările generale ale datelor din America de nord din 1988 (în original, General ...

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

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

    Vertical Conversions (VDATUM) Download PC Software; GEOID12B Toolkit; GPS Toolbox; HTDP; VERTCON; Surveys. Active Geodetic Control (CORS) Adjust Leveling (LOCUS) Survey Mark Datasheets; Process GPS data (OPUS) Calibration Base Lines (CBLs) User-submitted Survey Projects (Bluebooking) GRAV-D; Geoid Slope Validation Survey of 2014; Geoid Slope ...

  8. North American Vertical Datum of 1988

    enacademic.com/dic.nsf/enwiki/6629442

    v · 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. The NAVD 88 was established in 1991 by the minimum-constraint adjustment of geodetic leveling observations in Canada , the United States , and Mexico .

  9. 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.

  10. North Carolina - Wikipedia, ti nawaya nga ensiklopedia

    ilo.wikipedia.org/wiki/North_Carolina

    Nagsasabtan. Ti North Carolina ket maysa nga estado a mabirukan idiay abagatan a daya iti Estados Unidos.Ti estado ket naibeddengan ti South Carolina ken Georgia iti abagatan, Tennessee iti laud ken Virginia iti amianan.

    • North Carolinian;, Tar Heel (colloq.)
    • Raleigh
  11. Michigan - Wikipedia

    sco.wikipedia.org/wiki/Michigan

    Michigan is a Midwastren state o the Unitit States o Americae.It wis named efter Loch Michigan, whase name is a French adaption o the Ojibwe term mishigama, meanin "lairge loch" or "lairge watter".

    • Michigander, Michiganian, Yooper (for residents o the Upper Peninsula)
    • None (Inglis, de facto)