Citation
Korea Rinji Tochi Chōsakyoku. Korea 臨時土地調查局. Japan Rikuchi Sokuryōbu. Japan 陸地測量部. Japan Rikugun. Sanbō Honbu. Japan 陸軍. 参謀本部. (1947). Niman-gosenbun no ichi chikeizu. [JPEG 2000]. Kyodo Printing Co.,. Retrieved from https://earthworks.stanford.edu/catalog/stanford-xg104gp3022