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| Prout Limestone | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Formation |
| Underlies | Ohio Shale |
| Overlies | Plum Brook Shale |
| Location | |
| Region |  Ohio |
| Country |  United States |
The Prout Limestone is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period.
