Related Clues:
- Underwater obstruction
- Ridge of rock or sand just under surface of sea
- Kind of knot
- Gale, tempest
- Ridge just under surface of water
- Underwater ridge or kind of knot
- Violent weather condition
- Ridge of rock or sand just below sea surface
- Ridge of rock just below ocean surface
- Submerged ridge of rock near the surface
- Submerged ridge of rock or coral near the surface
- Submerged ridge of rock or coral
- Submerged ridge near the surface of the sea
- The Great Barrier ..., Australian natural wonder
- Thus one forces about a thousand piles