BY ANDREW MORKES, FOUNDER AND AUTHOR OF NATURE IN CHICAGOLAND UPDATED AUGUST 2023 About 12,000 years ago, the last of the towering glaciers that covered parts of what is now the Chicago area began melting. As one of the massive glaciers melted, a water-filled depression was left in its wake. The depression eventually developed into … Continue reading Volo Bog: An Ice Age Remnant and the Only Quaking Bog in Illinois
