Chōsen Sōtokufu Rinji Tochi Chōsakyoku, Rikuchi Sokuryōbu, Sanbō Honbu. Reprints of military topographic maps. Original publishers include Rikuchi Sokuryōbu, Sanbō Honbu, and Chōsen Sōtokufu. Many sheets are reproductions of editions originally produced in Taishō period but revised in the 1930s. Sheets individually subtitled, e.g. "Seishin". Relief shown by contours and spot heights. Gaihōzu. 朝鮮總督府臨時土地調查局, 陸地測量部, 参謀本部.