Related Clues:

• Moms on all fours
• Beaver projects
• Man-made lake formers
• Water gates
• Nanaimo _____
• It's bad to be behind them
• Beavers' structures
• Bonneville and Hoover
• Stream blockers
• River projects
• Some restaurant waiting areas
• Cell-phone stat
• Reservoir producers
• Public works projects
• Water flow stoppers