Sansei-shō tanden chōsa shiryō
Series: Shina ritsuan chōsa shorui -- dai 4-hen, dai 3-kan, dai 5-gō
Publisher: Minami Manshū Tetsudō Kabushiki Kaisha Chōsabu
Published: 1937
Place of publication: [Dairen]
Language: jpn
Number of pages: 296
Subjects: Coal mines and mining
Notes: Issued as confidential document.