Cowlitz Formation
The Cowlitz Formation is a geologic formation in Washington (state). It preserves fossils dating back to the Paleogene period
| Cowlitz Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Formation |
| Underlies | Keasey Formation |
| Location | |
| Region | Clatsop County, Oregon Lewis County, Washington (state) |
| Country | United States |
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