bn:00351762n
Noun Named Entity
Categories: Articles with short description, Topography, Vertical datums, Land surveying of the United States
EN
North American Vertical Datum of 1988  NAVD88  NAVD 88
EN
The North American Vertical Datum of 1988 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. Wikipedia
Definitions
Sources
EN
The North American Vertical Datum of 1988 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. Wikipedia
vertical datum for orthometric heights Wikidata
Wikipedia Redirections
Wikidata Alias