| Casper Formation | |
|---|---|
| Stratigraphic range: Permian | |
_12_(49145110141).jpg) Sandstones (Casper Formation) | |
| Type | Formation |
| Location | |
| Region | Wyoming |
| Country | United States |
_11_(49144682401).jpg)
The Casper Formation is a geologic formation in Wyoming, USA. It preserves fossils dating back to the Pennsylvanian period.
