Related Clues:
- Female parent; barrier
- Something to leave to beavers?
- Flooding inhibitor
- Army Corps of Engineers project
- One may block a channel
- What holds water?
- Mother a bit wet, not all there
- Mississippi embankment
- Branch structure blocking water
- One keeps a beaver busy
- Structure that's 36-Down backwards
- Bank that we hope won’t fail
- Hold back water
- Massive water barrier
- Beaver build