Geodetic Survey United States, National Geodetic Survey, National Ocean Survey National Geodetic Survey, Office of National Geodetic Survey, U.S. National Geodetic Survey, U.S. National Ocean Service National Geodetic Survey, U.S. National Oceanic and Atmospheric Administration National Geodetic Survey, United States National Geodetic Survey, United States National Ocean Service National Geodetic Survey, United States National Oceanic and Atmospheric Administration National Geodetic Survey