Chūshō kasen kankyō jittai chōsa hōkokusho
Subtitle: Heisei 11-nendo
By: [henshū Tōkyō-to Kankyōkyoku Kankyō Hyōkabu]
Publisher: Tōkyō-to Kankyōkyoku
Published: 2001
Place of publication: Tōkyō
Language: jpn
Subjects: Stream ecology
Notes: Cover title.

"Kankyō shiryō dai 12117-gō"--Colophon.

Includes bibliographical references.
Table of contents: title: [1] Akigawa hen; title: [2] Hiraigawa hen.