Gravity for the Redefinition of the American Vertical: GRAV-D Anchorage, Alaska February 22, 2010 1 2010 Alaska Surveying and Mapping Conference Renee.
NOAA’s National Geodetic Survey United States Height Reference System Modernization Plan Ottawa, Canada April 21, 2009 Ronnie L. Taylor Chief, State Advisor.
NOAA’s National Geodetic Survey United States Height Reference System Modernization Plan
