karst

What’s Underneath? Karst: Rugged and Beautiful

August 6, 2008 clifftop CliffNotes

Cave tour, T. Rollins

An amazing underworld lies beneath our bluff lands. Our region’s distinctive geologic history literally laid the groundwork for the area’s unique subterranean landscape, a rugged, yet beautiful topography called “karst.” With the birth of the earth, processes began some 4 1/2 billion years ago, to build the globe’s crust and develop continents. Rocks and gravels […]

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geology of Southwestern IllinoiskarstNatural History in Monroe St. Clair and Randolph Counties Illinois

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