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Sandstone cliff at Starved Rock State Park, carved by the force of the Kankakee Torrent some 19,000 years ago. The Kankakee Torrent was a catastrophic flood that occurred about 19,000 calibrated years ago [1] in the Midwestern United States.
Castle Rock State Park (Illinois) Cave-in-Rock State Park; Cave-In-Rock, Illinois; Chain O'Lakes State Park (Illinois) Channahon State Park; Clinton Lake State Recreation Area; Coffeen Lake State Fish and Wildlife Area; Crawford County State Fish and Wildlife Area
Starved Rock State Park is a state park in the U.S. state of Illinois, characterized by the many canyons within its 2,630 acres (1,064 ha).Located just southeast of the village of Utica, in Deer Park Township, LaSalle County, Illinois, along the south bank of the Illinois River, the park hosts over two million visitors annually, the most for any Illinois state park.
A bridge over Rock Creek northeast of Manteno, Illinois, as flood water recedes in April 2006. Rock Creek is a 24.7-mile-long (39.8 km) [1] tributary of the Kankakee River in the U.S. state of Illinois. [2] It empties into the Kankakee River in Kankakee River State Park, northwest of Kankakee, Illinois. It starts in higher land and then drops ...
Autumn in the Driftless Area of Cross Plains, Wisconsin. The Driftless Area, also known as Bluff Country and the Paleozoic Plateau, is a topographic and cultural region in the Midwestern United States [1] that comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois.
The Illinoian Stage is the name used by Quaternary geologists in North America to designate the Penultimate Glacial Period c.191,000 to c.130,000 years ago, during the late Middle Pleistocene (Chibanian), when sediments comprising the Illinoian Glacial Lobe were deposited.
The earliest Carboniferous rocks sit conformably on top of the youngest Devonian in Illinois; Carboniferous rocks in the state are areally extensive, regionally very well-exposed, and form a large percentage of the state's bedrock. Illinois remained marine for much of the Carboniferous, with limestones making up most of the rock deposited ...
Spitler Woods State Natural Area is a 202.5-acre (81.9 ha) state park located adjacent to Mount Zion, Illinois. The state park is located within the Decatur, Illinois metropolitan area. The eastern two-thirds of the state park is a listed Illinois Nature Preserve noted for its old-growth forest grove of white oak and hickory .