NGVD - What does NGVD stand for? The Free Dictionary
References in periodicals archive
All elevations are expressed relative to NGVD
(National Geodetic Vertical Datum = Mean Sea Level in 1929).
5 meters (18 feet) NGVD
in the L-8 Canal and the 1.
This is a departure from the current City NGVD
1929 vertical datum.