Related Clues:

• Floating mass in the North Atlantic
• Polar ice sheet
• Rescue site for a polar bear
• Decorate Austrian composer for the ‘Mass of Antarctica’?
• Frozen hazard to shipping
• Mountain; Alban —, composer
• Composer; mountain
• Mountain; shipping hazard
• Mass on the open sea - those on the Titanic would rather have avoided it
• Alban __, Austrian composer whose works include Lulu
• Glacial chunk
• Something at the greengrocer's that's mostly under water
• Composer getting in the way of amber gambler?
• Diver on Channel Islands recalled shipping hazard
• An overseas hazard for those involved in December getaway