Kaijō-ken kakuku kōgyōkensha saikō chōsa
Subtitle: Kōtoku 6-nendo
Contributors: Minami Manshū Tetsudō Kabushiki Kaisha
Publisher: Kaijō-ken Kōsho
Published: 1939
Place of publication: [Kaijō-ken
Language: jpn
Subjects: Mines and mineral resources
Notes: Caption title.

Possibly one of the documents collected by Mantetsu for research.