PORTAGE, Ind. (ADAMS) – A chemical spill into a river that feeds into Lake Michigan has forced the closure of several beaches at Indiana Dunes National Park in Portage, Indiana.
The chemical spill came from ArcelorMittal, a steel and mining company with a plant on the Little Calumet River. The accident released wastewater that contains high levels of ammonia and cyanide, killing hundreds of fish.
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