Oregon's Mid-Willamette Valley wetlands
Subtitle: agricultural uses, alternative uses, problems and trends
By: by Setsuo Harry Tsutsui.
Published: 1979
Language: eng
Number of pages: 191
Subjects: Wetlands -- Oregon -- Willamette River Valley.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1980.

Bibliography: leaves 154-163.