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Caverns Illinois’

Illinois Caverns — a ‘hidden gem in southwest Illinois’ — reopens after being closed for more than a decade to protect the bat population

Thank you for supporting our journalism. This article is available exclusively for our subscribers, who help fund our work at the Chicago Tribune. About 150,000 years ago, the area that is now known as Monroe County in southwest Illinois was covered in ice hundreds of feet thick. When the ice melted, the water flowed into…