ICEBERGS
| Date | Clue |
|---|---|
| 2008-09-29 | Shipping hazards in the North Atlantic |
| 2003-01-03 | They may come off a shelf |
| 1999-01-15 | Seafaring dangers |
| 1996-08-17 | Ocean hazards |
| Date | Clue |
|---|---|
| 2008-09-29 | Shipping hazards in the North Atlantic |
| 2003-01-03 | They may come off a shelf |
| 1999-01-15 | Seafaring dangers |
| 1996-08-17 | Ocean hazards |