| Answer | Crossword Clue |
|---|---|
| VOLC | Type of mountain: Abbr. |
| SPUR | Type of mountain ridge. |
| ALPID | Type of mountain range, geologically speaking. |
| SNOWLINE | Type of boundary on a mountain. |
| IDA | One of the Rocky Mountain States: Abbr. |
| NEV | One of the Rocky Mountain States: Abbr. |
