Iowa United States North America Regional

The most abundant fossils in this area are crinoid stem fragments; these look like small washers such as you might find in a hardware store, and there are some layers exposed in the roadcut that are almost solidly made of these.

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• Stainbrook Geologic Preserve - The most abundant fossils in this area are iowa crinoid stem iowa fragments; these look like small washers iowa such as you might iowa find in a iowa hardware store, and there are some iowa layers exposed iowa in the roadcut that are almost solidly made iowa iowa of these.
• Devonian Fossil Gorge - Devonian Fossil Gorge is the result of the prolonged overflow of the Coralville Reservoir Spillway between July 5 and August 2, 1993. This area is just south of the Coralville Dam (near Iowa City), managed by the Army Corps of Engineers.

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