Under the surface
Subtitle: Willamette Riverkeeper's state of the Willamette.
Contributors: Willamette Riverkeeper.
Publisher: Willamette Riverkeeper
Published: 2000
Place of publication: [Portland, Or
Language: eng
Number of pages: 31
Subjects: Water -- Pollution -- Oregon -- Willamette River; Willamette River (Or.)
Other titles: Willamette Riverkeeper's state of the Willamette.
Notes: Cover title.

Includes bibliographical references (p. 31)