Sūji de miru kōwan '98
By: kanshū Unʾyushō Kōwankyoku
Publisher: Nihon Kōwan Kyōkai
Published: 1998
Place of publication: Tōkyō
Language: jpn
Number of pages: 227
Subjects: Harbors; Statistics
Other titles: Kōwan '98
Notes: Cover title.

"Kōwan poketto bukku."