| Answer | Crossword Clue |
|---|---|
| URAL | 1,500-mile Eurasian chain |
| URAL | 1,500-mile Russian chain |
| URAL | 1,500-mile (or so) Russian chain |
| ANDES | 4,500-mile mountain chain. |
| ORINOCO | 1,500-mile river. |
| APPALACHIANS | 1,500-mile mountain range. |
| HIMALAYA | ... Mountains (1,500 mile range) |
| URALS | 1,500-mile-long range |
| URAL | 1,500-mile river of Eurasia. |
| ALCAN | ... Highway (old 1,500-mile route) |
