Back North American Vertical Datum of 1988 English Datum Tegak Amerika Utara 1988 Malay North American Vertical Datum of 1988 Romanian
The North American Vertical Datum of 1988 (NAVD 88) is a geodetic reference system used for measuring elevations in North America. It replaced the older National Geodetic Vertical Datum of 1929 (NGVD 29) and provides a standardized framework for mapping and surveying projects.