Hokubei Gasshūkoku tochi kaitaku jigyō chōsa hokokusho
Contributors: Futaboshi, Toyohiko
Series: Sangyō chōsa shiryō -- 60; Sangyō chōsa shiryō -- dai 60-shū.
Publisher: Man Tetsu Chōsabu
Published: 1939
Place of publication: [Dairen]
Language: jpn
Number of pages: 93
Subjects: Drainage; Waste lands