Category:Pliocene rocks in Colorado
States of the United States: Alaska · Arizona · California · Colorado · Florida · Idaho · Kansas · Nebraska · Nevada · New Mexico · North Carolina · Oregon · Texas · Utah · Virginia · Washington · Wyoming
| Paleogene | Neogene | Quaternary | ||||
|---|---|---|---|---|---|---|
| Paleocene | Eocene | Oligocene | Miocene | Pliocene | Pleistocene | Holocene |
Subcategories
This category has only the following subcategory.