| Answer | Crossword Clue |
|---|---|
| TETON | Montana river or Wyoming mountain range. |
| URAL | Russian river or mountain range |
| URAL | Name of a mountain range or a river |
| vicariance | The geographical separation of a population, typically by a physical barrier such as a mountain range or river, resulting in a pair of closely related species |
| TETON | Wyoming mountain range. |
| TETON | Wyoming mountain range |
| UINTA | Wyoming-Utah mountain range. |
