Related Clues:

• ___ Mountains (range that separates Europe and Asia)
• Natural continental border
• Asian mountain range
• Kazakh river
• Range dividing Europe and Asia
• Silk Road river
• River that feeds the Caspian Sea
• Range extending to Kazakhstan
• The Sakmara feeds it
• Eurasia's -- Mountains
• Territory in Risk
• Russia's ___ Airlines
• Source of some Russian copper
• __ Mountains: Mt. Narodnaya's range
• Risk territory east of Ukraine