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Home > Archives > Images and Photographs> Map showing zones of heavy pollution in 1950 from industrial sources near Chicago and in Peoria. It shows a small area of clear water south of the mouth of the Sangamon River north of Beardstown.
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Top Level
: Harvesting
: Fish
Map showing zones of heavy pollution in 1950 from industrial sources near Chicago and in Peoria. It shows a small area of clear water south of the mouth of the Sangamon River north of Beardstown.
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