Bujun tankō sōgō keiei kiso chōsa
Subtitle: Shizenteki jōken : Bujun Tanden no ichi
Publisher: Bujun Tankō Sōmukyoku Shomuka Chōsagakari
Published: 1940
Place of publication: [Bujun
Language: jpn
Subjects: Coal mines and mining; Industrial location
Notes: Caption title.

Confidential document (stamped).