Mifflin Formation
| Mifflin Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
_(17203906150).jpg/1280px-Amplexograptus_maxwelli_fossil_graptolites_(Mifflin_Formation,_Ordovician;_Lee_County,_Illinois,_USA)_(17203906150).jpg) Fossils from the Mifflin Formation (Lee County, Illinois) | |
| Type | Formation |
| Location | |
| Region |  Illinois  Wisconsin  Iowa |
| Country |  United States |
The Mifflin Formation is a fossil bearing geologic formation in Illinois dating to the Ordovician period.
See also
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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. |
