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Coordination with agencies and organizations in the Eastern Iowa Basins was integral to the success of this water-quality assessment. We thank personnel from the following agencies and organizations who served as members of our liaison committee and participated in our liaison committee meetings.

U.S. Department of Agriculture
Natural Resources Conservation Service
Agricultural Research Service
U.S. Environmental Protection Agency, Region VII
U.S. Fish and Wildlife Service
U.S. Geological Survey
Biological Resources Division
Iowa Department of Agriculture and Land Stewardship Pesticide Bureau
Iowa Department of Natural Resources
Environmental Protection Division
Geological Survey Bureau
Fisheries Bureau
Minnesota Department of Natural Resources
Minnesota Pollution Control Agency
Minnesota Geological Survey
Linn County Iowa REAP
Linn County Iowa Conservation Board
Johnson County Iowa Board of Supervisors
Cedar Rapids Water Department
Iowa City Public Works
Iowa State University
Center for Sustainable Agriculture
Department of Botany
Extension Service

University of Iowa
Hygienics Laboratory
Limnology Section
Environmental Research
Institute of Hydraulic Research
Center for Health Effects on the Environment
University of Northern Iowa
College of Natural Sciences
Wartburg College
Biology Department
Iowa Farm Bureau Federation
Iowa Environmental Council
Iowa Ground Water Association
Izaak Walton League
Sierra Club
Dow AgroSciences
Dupont Agricultural Products
Novartis Crop Protection
American Cyanamid Company
American Corn Growers Association
Johnson County Farm Bureau

We thank the following individuals for contributing to this effort.

James Cerveny, Jon Nania, Joel Galloway, Jennifer Tobias, and Matthew Bobier, the primary field personnel, who worked in all conditions to obtain a high-quality data set without which this report would not be possible.
Linda Roberts, the Study Unit biologist, who planned and supervised the collection of algae, macroinvertebrate, and fish samples.
The many U.S. Geological Survey personnel (too many to list) from the Iowa District and surrounding States that assisted in the collection of biological samples and in the construction of equipment shelters.
Scott Yess and Ann Rundstrom of the Fish and Wildlife Service and J. Kent Johnson University of Iowa Hydraulics Institute, who assisted in the collection of fish.
Technicians and chemists at the USGS National Water-Quality Laboratory in Denver, Colorado, who provided analysis of all water samples. Mike Thurman and Elizabeth Scribner and the staff of the U.S. Geological Survey Organic Geochemistry Research laboratory in Lawrence, Kansas, who analyzed all pesticide samples for degradates. Researchers and technicians at the USGS Isotope Tracers Laboratory and the USGS National Research Program Laboratory, who provided tritium and stable isotope analysis.
Tom Wilton of the Iowa Department of Natural Resources who provided a wealth of information, data, and advice that was invaluable in the completion of the water-chemistry and biological parts of the study.
Reviewers—Michael Burkhart, USDA Soil Tilth Laboratory; Susan Heathcote, Iowa Environmental Council; Jim Ellerhoff, Iowa Department of Agriculture and Land Stewardship; Richard Robinson, Iowa Farm Bureau Federation; Bernard Hoyer, Iowa Department of Natural Resources; Geological Survey Bureau. The many colleagues in the U.S. Geological Survey whose technical suggestions substantially improved this report. The editorial reviewers, Lanna Combs and Betty Palcsak.
Editors and publication preparation: Alene Brogan, Mary Kidd, Robert Olmstead, and Ed Swibas.

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U.S. Geological Survey Circular 1210

Suggested citation:

Kalkhoff, S.J., Barnes, K.K., Becher, K.D., Savoca, M.E., Schnoebelen, D.J., Sadorf, E.M., Porter, S.D., and Sullivan, D.J., 2000, Water Quality in the Eastern Iowa Basins, Iowa and Minnesota, 1996–98: U.S. Geological Survey Circular 1210, 37 p., on-line at

U.S. Department of the Interior, U.S. Geological Survey
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