Willamette Basin, Oregon
Subtitle: nitrogen in streams and ground water, 1980-90
By: by Bernadine A. Bonn, Dennis A. Wentz, Stephen R. Hinkle
Contributors: Wentz, Dennis A; Hinkle, Stephen R; Geological Survey (U.S.); National Water-Quality Assessment Program (U.S.)
Series: U.S. Geological Survey open-file report -- 96-227
Publisher: U.S. Geological Survey
Published: 1996
Place of publication: Portland, Or
Language: eng
Format: Microform
Subjects: Water -- Nitrogen content -- Oregon -- Willamette River Watershed; Groundwater -- Oregon -- Willamette River Watershed -- Quality; Groundwater -- Pollution -- Oregon -- Willamette River Watershed; Water quality -- Oregon -- Willamette River Watershed
Other titles: Nitrogen in streams and ground water, 1980-90
Notes: "National Water-Quality Assessment Program."

"Willamette Basin Study Area."

"August 1996."

Shipping list no.: 2002-0155-M

Includes bibliographical references (p. [4])

Microfiche. [Denver, Colo. : U.S. Geological Survey, 2002] 1 microfiche : negative