AMS 1. Alternate title: Kyonsong or Seoul (Keijo). In upper left margin: Korea city plans 1:12,500. Polyconic projection. Relief shown by 10 meter contour intervals and spot elevation. Depth shown by fathoms. Korean names transcribed according to the McCune-Reishauer system. Japanese forms of Korean names (shown in parentheses) transcribed according to the modified Hepburn (Romaji) system. On verso: "Administrative unit names".