Related Clues:

• -- Mountains
• Eurasian divider
• Eurasian mountain range
• Eastern border of Europe
• River through Orsk
• Russia's __ Mountains
• Caspian Sea range
• River through Russia and Kazakhstan
• 1,500-mile-long range
• Russian peaks
• River through Kazakhstan
• River past Orenburg
• European/Asian range
• Orsk is on it
• Narodnaya's range