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Water Pollution
University of Iowa professors cite pollution of Iowa River.
United States moves toward court fight on Taconite in Lake Superior.
Waters wash refuse into Mississippi.
Open oil tank valve creates death trap in Little Storm Lake.
Storm Lake wildlife in oil danger.
Deterring accidental polluters.
Farmers install feedlot runoff controls; use REAP aid.
Fifty large feedlot owners face possible prosecution.
State study finds wastes foul Raccoon River.
Plan to disinfect diseased Manchester trout stream.
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