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, Chungjang-ni, 1919.... Universal Transverse Mercator Grid added, 1950. Culture photo revision by the 64th Engineer Base Topographic Battalion, July, 1950. Planimetric detail revised from aerial photography dated 1947 by photoplanimetric methods." Map's lower edge lacking, cropping some marginal content. On verso: sheet 6928 III, Yangyang, from Korea 1:50,000 set.