Konji suigai no Montōkō tankō ni oyoboseru eikyō
Contributors: Kahoku Kōtsū Kabushiki Kaisha. Shigyōkyoku. Gyōmuka
Publisher: Kahoku Kōtsū Kabushiki Kaisha] Shigyōkyoku Gyōmuka
Published: 1939
Place of publication: [Peking
Language: jpn
Subjects: Floods; Flood damage; Coal mines and mining
Notes: Cover title.

Prepared by Shigehara Masato.  Cf. Pref.

Confidential document (stamped).