A.M.S. (Series) ; L751. "AMS 2". "Prepared under the direction of the Chief of Engineers by the Army Map Service (CV), U.S. Army, Washington, D.C. Copied in 1945 from Korea 1:50,000, Japanese Imperial Land Survey, Mup'ungjang, 1918.... Universal Transverse Mercator Grid added, 1950. Culture photo revision by the 64th Engr Base Topographic Battalion, July, 1950." "Repro by the 64th Engr Base Topo Bn". Upper, lower and left edge lacking, cropping some marginal content (i.e. title information). On verso: sheet 6925 II, Sobyong-ni, from Korea 1:50,000 set.