Pesticides in southern Willamette Valley groundwater
By: John Selker.
Contributors: Oregon State University. Extension Service.
Series: EC -- 1565.; Extension circular (Oregon State University. Extension Service) -- 1565.
Publisher: Oregon State University, Extension Service
Published: 2004
Place of publication: [Corvallis, Or.]
Language: eng
Subjects: Water -- Pesticide content -- Oregon -- Willamette River Valley.; Groundwater -- Pollution -- Oregon -- Willamette River Valley.
Notes: Caption title.

"April 2004."

Includes bibliographical references (p. 2).

Also available on the Internet.