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 in 1945 from Korea 1:50,000, Japanese Imperial Land Survey, Maega-do, 1918." "Repro by the 64th Engr Base Topo Bn". Edges of map are lacking, cropping some marginal and map content (i.e. title information). On verso: sheet 7020 IV, Onyang, from Korea 1:50,000 set.