Specifications to Support Classification, Standards of Accuracy, and General Specifications of Geodetic Control Surveys
United States. Federal Geodetic Control Committee
āĻāĻžāĻ¨ā§ ā§§ā§¯ā§Žā§Ļ ¡ U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Federal Coordinator for Geodetic Control and Related Surveys, National Ocean Survey