Related Clues:

• Range dividing Europe and Asia
• Salty expanses
• Indian and Arctic
• Source of some Russian copper
• Platinum-yielding region
• Europe's eastern border
• Europe/Asia separator
• '___ Eleven'
• Great seas
• Atlantic, Pacific etc
• Atlantic, Pacific etc.
• Bodies of salt water
• Pacific, Atlantic
• Large bodies of water
• This could be prior warning, of course