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Cedar Valley Group
Geologic group in Iowa and Illinois From Wikipedia, the free encyclopedia
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The Cedar Valley Group is a geologic group in Iowa and Illinois. It preserves fossils dating back to the Devonian period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
 | This article about a specific stratigraphic formation in Illinois is a stub. You can help Wikipedia by expanding it. |
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