A.M.S. (Series) ; L751. "AMS 2". Transverse Mercator projection. "Prepared under the direction of the Chief of Engineers by the Army Map Service (AMS&S), Corps of Engineers, Department of the Army, Washington, D.C. Compiled in 1947 from Korea 1:50,000, Japanese Imperial Land Survey, Taejŏng-ni, 1918.... Aerial photography 1945.... Universal Transverse Mercator Grid values revised, 1950."
