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Water Quality in the Willamette Basin, Oregon, 1991-95

By Dennis A. Wentz, Bernadine A. Bonn, Kurt D. Carpenter, Stephen R. Hinkle, Mary L. Janet, Frank A. Rinella, Mark A. Uhrich, Ian R. Waite, Antonius Laenen, and Kenneth E. Bencala


A contribution of the National Water-Quality Assessment (NAWQA) Program

The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the U.S. Government.

In-text links to figures generally point to the figure caption, below the actual figure.

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Suggested citation:
Wentz, D.A., Bonn, B.A., Carpenter, K.D., Hinkle, S.R., Janet, M.L., Rinella, F.A., Uhrich, M.A., Waite, I.R., Laenen, A., and Bencala, K.E., 1998, Water Quality in the Willamette Basin, Oregon, 1991-95: U.S. Geological Survey Circular 1161, on line at <URL:>, updated June 25, 1998 .

ISBN 0-607-89231-5 (pbk.)

Further information:
Willamette Basin NAWQA Study || National Water-Quality Assessment Program || U.S. Geological Survey

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