Related Clues:
- Retaining barrier
- Grand Coulee ___
- What a beaver may build
- Beaver's pride
- Beaver's water barrier
- What a beaver constructs
- Structure that may form a 55-Down
- Arizona's Glen Canyon, for one
- Waterway blocker
- Feature of a millpond
- Current stopper
- Structure with water turbines
- Grand Coulee, e.g
- Feature of a moat
- Female parent in the animal world