Mahoning Formation
Stratigraphic range: Carboniferous
Type	Formation
Location
Region	Ohio
Country	United States

The Mahoning Formation is a geologic formation in Ohio. It preserves fossils dating back to the Carboniferous period.

• List of fossiliferous stratigraphic units in Ohio

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

This article about a specific stratigraphic formation in Ohio is a stub. You can help Wikipedia by expanding it.

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