Water-quality assessment of part of the upper Mississippi River basin, Minnesota and Wisconsin : ground-water quality along a flow system in the Twin Cities metropolitan area, Minnesota, 1997-98 / by William J. Andrews [and others] ; prepared as part of the National Water-Quality Assessment Program.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005.
Title from PDF title page (viewed on Sept. 2, 2008).
Includes bibliographical references (pages 35-38).
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