Related Clues:
- It keeps the river out of town
- Water holder
- It holds water
- Obstruction
- Mississippi restraint
- Flood controller
- ''Robert E. Lee'' waiting spot
- Where to wait for the Robert E. Lee
- Hoover is one
- Hydroelectric structure
- Fish ladder setting
- Sight along the Mississippi
- Bank that may be created by the government
- Engineering project
- Hoover, for one