TeachMeFinance.com - explain NGVD of 1929
NGVD of 1929 The term 'NGVD of 1929' as it applies to the area of water can be defined as 'National Geodetic Vertical Datum of 1929. A geodetic datum derived from a general adjustment of the first order level nets of the United States and Canada. It was formerly called 'Sea Level Datum of 1929' or 'mean sea level' in the USGS series of reports. Although the datum was derived from the average sea level over a period of many years at 26 tide stations along the Atlantic, Gulf of Mexico, and Pacific Coasts, it does not necessarily represent local mean sea level at any particular place'.
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