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.
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.