| Wind River Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Geological formation |
| Location | |
| Region | Wyoming |
| Country |  United States |
The Wind River Formation is a geologic formation in Wyoming in the Wind River Basin. It preserves fossils dating back to the Paleogene period. A recent study by Stanford suggests that fracking has contaminated the entire ground water resource in the basin.[1]