A.M.S. (Series) ; L751. "AMS 3". Transverse Mercator projection. "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, Ch'ungju, 1918." "Universal Transverse Mercator Grid added, 1950. Road classification, railroad classification and major planimetric revision overprint compiled in 1950 from aerial photography dated 1947." "Repro by the 64th Engr Base Topo Bn". On verso: sheet 6926 II, Harimgye, from Korea 1:50,000 set.
A.M.S. (Series) ; L751. "Fifth Edition-AMS (FEC)". Transverse Mercator projection. "Prepared under the direction of the Engineer, GHQ, FEC, by the 64th Engineer Base Topographic Battalion. Redrawn in 1950 from Korea 1:50,000, Japanese Imperial Land Survey, Changgye-ri, 1918.... Aerial photography, 1946-8.... Sino-Korean characters added 1951." Map's lower edge lacking, cropping some marginal content.
A.M.S. (Series) ; L751. "AMS 3". Transverse Mercator projection. "Prepared under the direction of the Chief of Engineers by the Army Map Service (AM), U.S. Army, Washington, D.C. Compiled in 1946 from Korea. 1:50,000, Japanese Imperial Land Survey, Changsaengp'o-dong, 1927. Japanese Hydrographic Charts No. 338, 1935; No. 305, 1934. Planimetric detail partially revised from aerial photography by photo-planimetric methods. Aerial photography by U.S. Army Air Force, 1944-45.... Universal Transverse Mercator Grid values revised, 1950."
A.M.S. (Series) ; L751. "Fourth Edition-AMS". "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, Chindong-ni, 1926.... Redrawn and photo revised in 1950 from aerial photography dated 1947 and 1948, by photo-planimetric methods, by the 64th Engineer Base Topographic Battalion."