Kōga jōryūbu suiun narabini suibun chōsho
Contributors: Japan. Kōain
Series: Kōgi chōsa shiryō ; dai 55-gō
Publisher: Kōain
Published: 1941
Place of publication: [Tokyo]
Language: jpn
Number of pages: 56
Subjects: Commerce; Inland water transportation; Statistics; Hydrology
Notes: Cover title.

Report prepared by Nakada.  Cf. Pref.

Issued as confidential document.