River Hazards

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Across
  1. 2. Something that can pin a person or boat against a rock
  2. 3. Where a river has dug out underneath a cliff or river edge
  3. 6. A reverse or circular flow of water found behind obstacles
  4. 8. Frothy, aerated water is a sign of this dangerous feature
  5. 11. The type of hazard a downed tree is
  6. 12. An example of a man made hazard
  7. 13. The main part of the river where the water flows fastest/deepest
Down
  1. 1. A recirculating river feature formed when water pours over a ledge or rock
  2. 4. The direction the water is flowing toward
  3. 5. The term for the deepest channel of the river
  4. 7. Floating material used to help identify water movement
  5. 9. The speed and direction that water is moving in a river
  6. 10. A downstream V-shape often indicates this feature