Related Clues:
- Caspian tributary
- River connected by canal to the Don
- River or mountains
- Ufa's mountains
- Asian chain
- River leading to the Caspian
- 'Mighty stream so deep and wide,' in song
- Kazakhstan river
- River through Russia
- -- Mountains
- Eurasian divider
- Eurasian mountain range
- River through Orsk
- Russia's __ Mountains
- Caspian Sea range