Dōhō Kōshi shoyū Daidō tanden chōsa hōkoku
By: Ō Sanʼei, Chin Ikukyō
Contributors: Chen, Yuqing
Publisher: s.n.
Published: 19uu
Place of publication: S.l
Language: jpn
Number of pages: 158
Subjects: Tong bao gong si (China); Coal mines and mining
Notes: Cover title.

Accompanied by folded map in pocket.