Search results with tag "National geodetic vertical datum"

Chapter 8 Hydraulics - wisconsindot.gov

Appendix 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

  National, Vertical, Datum, Geodetic, Ngvd, National geodetic vertical datum