Mifflin Formation

Mifflin Formation
Mifflin Formation
Stratigraphic range: Ordovician
	Fossils from the Mifflin Formation (Lee County, Illinois)
Type	Formation
Location
Region	Illinois, Wisconsin, Iowa
Country	United States

Last updated July 12, 2025

The Mifflin Formation is a fossil bearing geologic formation in Illinois dating to the Ordovician period.

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.

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Mifflin Formation

See also

References