ASCE Tacoma-Olympia - LSAW

National Geodetic Survey is replacing the North American Datum of 1983 (NAD 83) and the North American Vertical Datum of 1988 (NAVD 88) with a new geometric reference frame and geopotential datum in 2022. Pat Beehler with WA Department of Natural Resources will provide an overview of what these changes mean for civil engineers and land surveyors.