Description: Willamette Basin, Oregon

Main Author:	Bonn, Bernadine.
Other Authors:	Wentz, Dennis A., Hinkle, Stephen R., Geological Survey (U.S.), National Water-Quality Assessment Program (U.S.)
Format:	Microfilm
Language:	English
Published:	Portland, Or. : U.S. Geological Survey, [1996]
Physical Description:	1 sheet 4 unnumbered pages : color illustrations ; 28 cm.
Series:	U.S. Geological Survey open-file report ; 96-227.
Subjects:	Water -- Nitrogen content -- Oregon -- Willamette River Watershed. Groundwater -- Quality -- Oregon -- Willamette River Watershed. Groundwater -- Pollution -- Oregon -- Willamette River Watershed. Water quality -- Oregon -- Willamette River Watershed.

Item Description:	"National Water-Quality Assessment Program." "Willamette Basin Study Area." "August 1996." Shipping list no.: 2002-0155-M. Includes bibliographical references (page [4]) Microfiche. [Denver, Colo. : U.S. Geological Survey, 2002] 1 microfiche : negative.
Physical Description:	1 sheet 4 unnumbered pages : color illustrations ; 28 cm.
Bibliography:	Includes bibliographical references (page [4])