National Geodetic Vertical Datum 1929
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National Geodetic Vertical Datum 1929 Open
Datum Details [VALID]
Name: National Geodetic Vertical Datum 1929
Code: 5102
Type: vertical
Usage:
Usage Details
Scope: Geodesy, topographic mapping.
Extent:

Origin: 26 tide gauges in the US and Canada.
Realisation Method:
Publication Date: 1929