Kōwan gyōsei no hirogari
Subtitle: jūyō kōwan hen
By: Nakamura Yoshio cho, Hokkaidō Kōwan Jimu Kenkyūkai henshū
Contributors: Hokkaidō Kōwan Jimu Kenkyūkai
Publisher: Daiichi Hōki Shuppan Kabushiki Kaisha
Published: 1953
Place of publication: Tōkyō
Language: jpn
Number of pages: 341
Subjects: Harbors
Notes: Sankō shiryō: p. 183-341.