Related Clues:
- Mass in the Arctic
- Something coming off the shelf?
- Alban ____ based his first opera on an unfinished play by Georg Büchner, and did not complete his second opera
- Polar bear's perch
- Ice float?
- The Titanic hit one
- Titanic mass
- Floating ocean menace
- Ice unit in the sea
- Mountain relative in the sea
- Glaciologist's interest
- Huge ice block
- Danger for a submarine
- Run in live game's first for scorer
- Rather big breakaway