石炭調查槪要
By: Nōshōmushō Kōzankyoku
Series: Meiji zenki sangyō hattatsu shi shiryō. Bessatsu -- dai 71-shū dai 4; Meiji zenki sangyō hattatsu shi shiryō -- dai 71-shū dai 4
Publisher: Meiji Bunken Shiryō Kankōkai
Published: 1970
Place of publication: Tōkyō
Language: jpn
Other titles: Sekitan chōsa gaiyō
Notes: Taishō 2-nenkan.