Possible Questions:
- Blocks
- Stops up
- Holds back
- Obstructs
- River blockers
- Flood stoppers
- Weirs
- River barriers
- Beaver projects
- Water holders
- Water barriers
- Farm mothers
- Barriers
- They hold water
- River stoppers
- Power sources
- Hoover and others
- Female parents
- Some female parents
- River regulators
- Bonneville and Hoover
- Blocks up
- Beavers' creations
- Beavers' constructions
- Beavers make them
- Water gates
- Some power producers
- Sires' mates
- Roosevelt and Hoover
- River projects
- Public works projects
- Moms on all fours
- Hoover and Roosevelt
- Hoover and Mossyrock
- Hoover and Aswan
- Four-footed mothers
- Electricity generators
- Blocks off
- Beaver constructions
- Beaver barriers
- Animal mothers
- Works like a beaver
- Water flow stoppers
- Water containers?
- TVA structures
- They may cause course reductions?
- T.V.A. works
- T.V.A. units
- Steeplechasers' mothers
- Some four-footed parents
- Some four-footed mothers
- San Luis and Fort Peck
- Roosevelt, Wilson, and Hoover
- Reservoir producers
- Rain checks
- Projects for beavers
- Oroville and Coulee
- Oahe, Oroville et al.
- Oahe and Owyhee
- Mica and Tobin
- Man-made lake formers
- Lake creators
- Hydroelectricity sources
- Hydroelectric structures
- Hydroelectric power projects
- Hungry Horse and Mossyrock
- Hungry Horse and Hoover
- Hoover, etc.
- Hoover et al.
- Hoover and Roosevelt, e.g.
- Hoover and Boulder, e.g.
- Hoover and Ataturk
- Glen Canyon and Grand Coulee, e.g.
- Glen Canyon and Grand Coulee
- Four-footed parents
- Four-footed moms
- Flood controls
- Fish ladder locales
- Emulates beavers
- Don Pedro and Yellowtail
- Creek constrictors
- Creek blockers
- Creek blocker
- Coulee and Boulder
- Cougar and Oroville
- Coolidge and Hoover
- Bureau of Reclamation projects
- Broodmares, e.g.
- Broodmares
- Boulder and Aswan
- Bottles up
- Blocks (up)
- Blockades, of a sort
- Beavers' works
- Beavers' structures
- Beavers' projects
- Beavers' constructs
- Beavers' barriers
- Beavers build them
- Beaver-built blockages
- Beaver-built barriers
- Beaver products
- Aswan and Kariba
- Aswan and Hoover, e.g.