Oregon's statewide assessment of nonpoint source problems
By: State of Oregon, Department of Environmental Quality, Water Quality Program ; David A. Rickert, 208 Assessment Project director ... [et al.].
Contributors: Rickert, David A., 1940-
Publisher: The Dept.
Published: 1978
Place of publication: Portland, Ore
Language: eng
Number of pages: 71
Subjects: Water -- Pollution -- Oregon.; Water quality -- Oregon.
Notes: Text and folded maps issued in box.

Bibliography: p. 47.