Related Clues:

• River through the Steppe of Asia
• River in Russia and Kazakhstan
• The Sakmara flows from it
• Western Russia's ___ range
• Asian border peak
• __ 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)
• ___ Mountains (Asia/Europe separator)
• Asian border range