Related Clues:

• Broodmares
• Utah's Flaming Gorge et al.
• Moms on all fours
• Beaver projects
• Man-made lake formers
• Beavers' structures
• Bonneville and Hoover
• Stream blockers
• River projects
• Reservoir producers
• Public works projects
• Water flow stoppers
• Artificial channels
• Beaver constructions
• Mill feeders