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Water Pollution
Iowa streams and pollution.
A tough bill on pollution.
New battle over cattle feed lots.
Professors' late reports stir water pollution unit fuss
Open lagoon for sewage is approved - Des Moines.
Tie fish kill, farm runoff in Iowa River.
Pollution by Minnesota firm denied
H.W. Freed blames Minnesotans for pollution in Iowa rivers.
Garbage woe in Clear Lake
J. M. Rademacher cites feed-lot pollutants.
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