Bujun Tankō ni hattatsuseru saisa jūten saikutsuhō
By: Kubo Makoto
Series: Bujun Tankō chōsa shiryō -- dai 6-shū
Publisher: Bujun Tankō]
Published: 1932
Place of publication: [Bujun
Language: jpn
Number of pages: 433
Subjects: Coal mines and mining
Notes: Cover title.

Includes a sammary in English.