A.M.S. (Series) ; L751. "AMS1". "Prepared under the direction of the Engineer, GHQ, FEC, by the 64th Engineer Base Topographic Battalion, 1950. Copied from Korea 1:50,000, Korea Government General Office, Huich'on, 1916. On verso: sheet 7022 III, Kigye, from Korea 1:50,000 set.