Casper Formation
The Casper Formation is a geologic formation in Wyoming, USA. It preserves fossils dating back to the Pennsylvanian period.
| Casper Formation | |
|---|---|
| Stratigraphic range: Permian | |
Sandstones (Casper Formation) | |
| Type | Formation |
| Location | |
| Region | Wyoming |
| Country | United States |
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