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Search results with tag "Ngvd"
newsletter v5 final - Coastal Systems Int
www.coastalsystemsint.comEisenhower Tunnel is referenced to NGVD, and not mean sea level. Although NGVD 29 closely resembles the mean sea level of 1929, since measurements were made
Chapter 8 Hydraulics - wisconsindot.gov
wisconsindot.govAppendix 8-A. Plan survey datum must conform to datum in use by local zoning authorities. In most cases elevations are referenced to the National Geodetic Vertical Datum (NGVD) of 1929, or to the North American Vertical