Karafuto sekitan kōgyō jijō chōsa hōkoku
Contributors: Sōma, Fumihito; Minami Manshū Tetsudō Kabushiki Kaisha. Chōsabu
Publisher: Mantetsu Chōsabu
Published: 1940
Place of publication: [Dairen]
Language: jpn
Number of pages: 85
Subjects: Coal mines and mining
Notes: Spine title.

Written by Nagai Saburō and Sōma Fumihito. Cf. Pref.

Confidential document (stamped).

Accompanied by "Fuzu" (20 folded leaves).

"Ho No. 470; Chōshichō 37; Otsushibun 320-33; In No. 60."