Related Clues:
- Europe/Asia boundary river
- 1500-mile river to the Caspian Sea
- Continent-separating mountain range
- Dividing range
- River serving Orsk
- River through the Steppe of Asia
- River in Russia and Kazakhstan
- Part of a continental border
- The Sakmara flows from it
- Home for Zhivago
- Range that extends to the Arctic Ocean
- Western Russia's ___ range
- Europe-Asia dividers
- Asian border peak
- Range extending south from the Kara Sea