A.M.S. (Series) ; L751. "Edition 4-AMS (AFFE)". Transverse Mercator projection. "Prepared under the direction of the Engineer, HQ, AFFE, by the 64th Engineer Battalion (Base Topographic). Compiled in 1953 by photogrammetric (multiplex) methods. Coastal hydrography compiled from USHO Chart 5668, 1936. Horizontal and vertical control established by the Korean Government General's Office, 1913-1914."
A.M.S. (Series) ; L751. "Eighth Edition-AMS (FEC)". Transverse Mercator projection. "Prepared by the Army Map Service (AM), Corps of Engineers, U.S. Army, Washington, D.C. Redrawn in 1946 from Korea, 1:50,000, Japanese Imperial Land Survey, P'och'on, 1932. Miscellaneous detail added from intelligence reports, 1934-44.... Planimetric detail revised by photo-planimetric methods from aerial photography, 1946-47; 1951; road classifications revised May, Sept. 1951 from reconnaissance material furnished by the Engineer, EUSAK, by the 64th Engineer Base Topographic Battalion." "Printed by 62d Engr Topo Co."
A.M.S. (Series) ; L751. "Type F-AMS 1". Transverse Mercator projection. "Prepared under the direction of the Chief of Engineers by the Army Map Service (PT), War Department, Washington, D.C. Compiled in 1947 from Korea, 1:50,000, Japanese Imperial Land Survey, P'yŏngyang, 1941. Planimetric detail partially revised from aerial photography by photo-planimetric methods. Aerial photography by U.S. Army Air Force, 1944-45. Miscellaneous detail added from Intelligence Report."
A.M.S. (Series) ; L751. "AMS 1". "Prepared under the direction of the Chief of Engineers by the Army Map Service (CV), U.S. Army, Washington, D.C. Copied 1945 from Korea 1:50,000, Japanese Imperial Land Survey, Paengnyong-do, 1926." Portions of map's lower edge lacking, cropping some marginal content. On verso: sheet 6920 I, Yuchon, from Korea 1:50,000 set.
A.M.S. (Series) ; L751. "Type A-AMS 1". "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, Poun, 1919." Portions of map's lower edge lacking, cropping some marginal content. On verso: sheet 6920 IV, Ch'ongdo, from Korea 1:50,000 set.