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Water Pollution
president Nixon names unit to fight all pollution.
Bureaucratic blindness at Iowa State University.
Secrecy lid on feedlots is criticized.
Inadequate pollution control.
Iowa towns get federal grants to fight water pollution
Iowa House votes feedlot pollution bill.
Des Moines council bans pollutants from sewers.
Insufficient lake water testing.
Iowa Water Pollution Control Commission opposes 'feeder' pollution plan.
Preventing feedlot pollution.
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