Related Clues:
- Eurasia dividers
- __ Mountains (Eurasian range)
- River separating continents
- Russia river
- Orenburg is on it
- Eurasian boundary river
- River with a sturgeon population
- The Ilek is one of its tributaries
- ___ Mountains (they divide Europe and Asia)
- Range mostly in Russia
- ___ Mountains (Asia/Europe separator)
- Range extending to the Arctic Ocean
- Asian border range
- Territory east of Ukraine on a Risk board
- Europe-Asia border river