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Iowa
See also:
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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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Stainbrook Geologic Preserve - 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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