Last seen in:
Related Clues:
- Obstruction for salmon
- Gardner or Mica, for instance
- China's Three Gorges project
- Grand Coulee or Aswan
- Waterway barrier
- Roosevelt or Hoover
- Fish ladder's locale
- Stop from running
- Structure for hydroelectric power
- Glen Canyon ___
- China's Three Gorges ___
- Stream obstruction
- Water-level regulator
- Bank security feature
- Beavers' structure