| Clue | Source | Date |
|---|---|---|
| Mountain nos | Wall Street Journal | 20 Sep 2017 |
| Figs. on mountains | Wall Street Journal | 11 Feb 2016 |
| Mtn. statistics | ||
| Hgts. | ||
| Stats. for mtns. | ||
| Mtn. stats | ||
| Hgts. | ||
| Mountain rd. postings | ||
| Mountain rd. postings | ||
| Rocky Mtn. highs? | ||
| They're rarely below zero: Abbr. | ||
| They're rarely below zero: Abbr. | ||
| Abbrs. on mountain pass signs | ||
| Empire State Bldg. necessities |