Related Clues:
- River through Russia and Kazakhstan
- River through Kazakhstan
- River past Orenburg
- Orsk is on it
- Vital Russian route
- Eurasian mountains
- 1,500-mile Russian chain
- Mountain range between two continents
- Europe/Asia border river
- Ulyanovsk's river
- Eurasian river
- ___ Mountains (continental dividers)
- One end of the Moscow Canal
- Mountain range between Europe and Asia
- Magnitogorsk's river