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Water Quality in the Central Columbia Plateau, Washington and Idaho, 1992-95

By Alex K. Williamson, Mark D. Munn, Sarah J. Ryker, Richard J. Wagner, James C. Ebbert, and Ann M. Vanderpool


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.

Numbers in [ ] refer to References.

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Suggested citation:
Williamson, A.K., Munn, M.D., Ryker, S.J., Wagner, R.J., Ebbert, J.C., and Vanderpool, A.M., 1998, Water Quality in the Central Columbia Plateau, Washington and Idaho, 1992-95: U.S. Geological Survey Circular 1144, on line at <URL:>, updated March 3, 1998

ISBN 0-607-89116-5

Further information:
Central Columbia Plateau NAWQA Study || National Water-Quality Assessment Program || U.S. Geological Survey

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