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Related Clues:
- Caspian feeder
- It flows for 1,575 miles
- Longest river in Europe
- Part of the Europe-Asia boundary
- Russian chain
- River to the Caspian Sea
- Longest river of Europe
- River through Magnitogorsk
- Range extending about 1,500 miles to Kazakhstan
- Europe and Asia boundary
- Continental divide
- ___ Mountains (Asian border)
- Range bordering Europe
- Mountains forming the Europe-Asia boundary
- Asian range