- DAM
- Hoover, e.g.
- Hoover, for one
- It holds water
- TVA project
- Hoover is one
- Hoover or Norris
- It retains water
- Reservoir creator
- Water container?
- Water stopper
- Barrier
- Answer to the joke "What did the fish say when it swam into a wall?"
- Beaver's digs
- Stop the flow of
- Beaver's structure
- Hoover ___
- Boulder, e.g.
- Flow stopper
- Structure that controls the flow
- Three Gorges project
- Dental ___
- Hoover or Roosevelt
- Boulder ___
- Create a reservoir
- One going against the tide
- Power plant site
- Water board?
- Waterwork?
- Water gate
- Ocean wall
- Hydroelectric ___
- Aid in irrigation
- Flow blocker
- Foal's mother
- Water holder
- Stop up
- Hydroelectric holder
- Hoover or Beaver
- Mama horse
- Block
- Current checker
- Current blocker
- TVA structure
- Fish ladder's locale
- Beaver project
- Spillway setting
- B.C. Hydro structure
- Source of electric power in B.C.
- Course stopper
- River block
- Hungry Horse or Hoover
- Hydropower source
- One crossing a river
- New Mexico's Elephant Butte, e.g.
- River-valley construction
- It'll hold water
- Fish-ladder site
- River crosser
- Provider of flower power?
- Datum on a horse's pedigree papers
- Hold back
- Arizona's Roosevelt, e.g.
- One may be built for power
- See 50-Down
- Hindrance to some animal migration
- Hydrostatic pressure is considered in its design
- Beaver's handiwork
- Hoover, notably
- Leave it to beavers
- River project
- Block up
- Grand Coulee or Aswan
- Grand Coulee, for one
- Beaver's construction
- Beaver's interjection?
- Beaver's creation
- Floodgate
- Waterway barrier
- Aswan, e.g
- Creek constrictor
- Beaver construction
- Bureau of Reclamation project
- Flood control project
- Flowage stopper
- Check the water
- Hydroelectricity structure
- River blockage
- River regulator
- River stopper
- A river runs to it
- Electricity source
- Go-with-the-flow thwarter
- River blocker
- Beaver's work
- Beaver's blockade
- Hydroelectric project
- Lake maker
- Public works project
- Three Gorges, for one
- Beaver's brook blocker
- Aswan landmark
- Beaver's barrier
- Roller-compacted concrete structure
- Jinping-I is the world's largest
- Punchline to the joke "What did the fish say when he ran into the wall?"
- Beaver structure
- Beavers' project
- Hoover or Aswan
- Obstruction
- Stream stopper
- Grand Coulee, e.g.
- Obstruct
- Water barrier
- Lake maker, maybe
- River barrier
- Keep from running
- Mate of 60-Down
- Keep from flowing
- Power tool?
- Hydroelectric structure
- Lake creator
- Hydroelectric facility
- Impede
- Flood control structure
- Aswan or Hoover
- Farm female
- Sire's mate
- Water control project
- Beaver's output
- Beaver creation
- Hydroelectric power source
- Obstacle for salmon
- Three Gorges structure
- Lake Mead creator
- Reservoir structure
- Salmon ladder spot
- Beaver's building
- Dworshak structure
- Power generator
- Certain blocker
- Four-legged mother
- Beaver barrier
- Flood prevention
- See 57 Across
- Stream blocker
- Filly's mother
- Beaver building
- Lake former
- Hoover __
- Irrigation project
- River barrie
- Structure with a spillway
- Sire's counterpart
- Beaver work
- Check
- Pedigree listing
- Thoroughbred's mother
- River sight
- Aswan, for one
- Levee's big brother
- Stream obstruction
- Pedigree papers line item
- Current stopper
- Flow obstruction
- Beaver-built structure
- Civil engineering project
- Foal's mom
- Keep from streaming
- Power structure of a sort
- River-blocking structure
- Beaver's building project
- Wilson, Hoover, or Roosevelt, e.g.
- Beaver-built barricade
- Lake former, perhaps
- Thoroughbred's mother, e.g.
- Trotter's mom
- Fish ladder's spot
- Hoover or Roosevelt, e.g.
- Thing that can be very sticky?
- Millpond.
- Smashed installation on the Eder.
- Ruined installation at Dnepropetrovsk.
- Hoover or Coolidge, for instance.
- The Hungry Horse, for instance.
- Wilson or Norris.
- Montana's Hungry Horse.
- Any of the TVA chain.
- Grand Coulee.
- Hoover or Shasta.
- Hoover, for instance.
- Part of T. V. A.
- Rain check.
- Fontana or Folsom.
- Hungry Horse, for instance.
- Norris or Bonneville.
- Cousin of a bridge.
- Hoover, for example.
- Huge Nile project.
- McNary ___.
- Morris or Norris.
- Roosevelt or Hoover.
- Engineering project.
- Boulder or Grand Coulee.
- Hoover or Glen Canyon.
- Mare.
- Part of a water-supply system.
- Shasta or Navaho.
- Structure at Gatun.
- Water project.
- Aswan.
- Beaver job.
- Weir.
- Beaver's specialty.
- Shasta, for one.
- Coffer or beaver.
- High Aswan, for example.
- Restrain.
- Boulder, for one.
- Norris or Hoover.
- Hungry Horse or Navajo.
- Equine parent
- Feature of Lake Mead
- Hoover
- Glen Canyon, e.g.
- Hungry Horse, for one
- T.V.A. feature
- Flood-control aid
- Power source
- Animal mother
- Beaver or Hoover
- Beaver architecture
- Johnstown's weak spot
- Lake Mead sight
- T.V.A. unit
- Hoover or Cougar
- Maternal quadruped
- Oxbow, in Idaho
- Project of the Corps of Engineers
- Hungry Horse, e.g.
- Rain check, at times
- Hungry Horse or horse's mother
- Fort Peck is one
- Hungry Horse is one
- Restrain a flow
- Beaver's business
- Oahe, e.g.
- Oahe is one
- Beaver specialty
- Flaming Gorge, e.g.
- Rain check of a sort
- Nobelist in Medicine: 1943
- Cow or ewe, sometimes
- Lamb ma'am
- Somerset, in Vt.
- What Sen. Norris gave
- Lamb's mother
- Mare to foal
- Equine mother
- Flood control
- See 1 Down
- Glen Canyon___
- Broodmare
- Fort Peck, for one
- Horse's mother
- One that's holding back?
- Coolidge or Roosevelt
- Fort Peck ___, in Montana
- Gatehouse site
- It's water resistant
- Farm mother
- It may get into deep water
- Dental device
- Flow checker
- It goes against the flow
- Reservoir's edge
- China's Three Gorges project
- Clog
- Obstruction for salmon
- Stop from running
- Part of a horse's pedigree
- Corps of Engineers project
- Water checker?
- Alabama's Wilson ___
- Stop for water
- China's Three Gorges ___
- Montana's Hungry Horse ___
- Nevada/Arizona's Hoover ___
- Challenge for salmon
- Channel changer?
- Arizona's Glen Canyon, for one
- Feature of a millpond
- Feature of a moat
- Hydro plant locale
- Obstacle for a fish
- Put a stop to?
- The world's largest one is in Hubei, China
- Horse's female parent
- Moat feature
- Army Corps of Engineers project
- Locale for a salmon ladder
- Something to leave to beavers?
- The tallest one in the U.S. is California's Oroville
- Bad thing to burst
- Irrigation structure
- Power project
- Reservoir producer
- What the fish said when it swam into a concrete wall, per an old joke
- It holds a lot back
- Structure that's subject to hydrostatic pressure
- Structure whose name might make kids giggle (3)
- See 88-Across
- Security gate?
- System of a Down song that obstructs?
- Happy Mondays "Kuff ___"
- Security gate for flood of fans?
- Woody Guthrie "Grand Coulee ___"
- Switzerland's Grand Dixence, notably
- Beaver ___
- Quadruped mother
- Dental ___ (prophylactic)
- Block, in a way
- Plug (up)
- Stream structure
- Interrupt the flow of
- Structure that might be used to generate electricity
- Glen Canyon structure
- Flood controller
- It can hold its water
- Hydroelectric power site
- It checks the water
- Beaver achievement
- Certain water blocker
- Spillway spot
- Aswan structure
- Beaver's production
- Hoover construction
- Beaver's home
- Glen Canyon, for one
- Result of a beaver's hard work
- Fordham in Illinois
- Water blocker
- Waterway blocker
- Fish ladder locale
- Hoover ___ (Colorado River structure)
- One keeps a beaver busy
- One may block a channel
- One may make a lake
- What holds water?
- Grand Coulee ___
- Hydroelectricity source
- One created Lake Mead
- Beaver's barricade
- Hydropower generator
- It holds a lot of water
- Punchline to "What did the fish say when it hit a cement wall?"
- Stream interrupter?
- Aswan project
- Stopper
- Work like a beaver
- Foal's mama
- Grand Coolee e.g.
- Dental guard
- Pen opener
- Lake maker, perhaps
- River obstacle
- Place for a water turbine
- Reservoir barrier
- Structure that stops salmon
- Xiluodu or Hoover
- Hoover or Tarbela, e.g.
- Beaver creek project
- Structure for hydroelectric power
- Beaver endeavor
- Structure that may form a 55-Down
- Structure with water turbines
- Barrier with a spillway
- River structure
- Part of a hydroelectric plant
- Structure with a water turbine
- Place for a fish ladder
- Structure that's 36-Down backwards
- Water barrier Anna destroyed in "Frozen II"
- Answer to the joke "What did the fish say when it swam into the wall?"
- Barrier in a hydroelectric power plant
- Structure that stops the flow of water
- The Tarbela or the Hoover
- Answer to the joke "What did the beaver say after stubbing its toe?"
- Barrier built by beavers
- Structure built to generate hydroelectric power
- Structure similar to a levee
- Hoover or Coolidge
- Reservoir maker
- Backup device?
- Big river barrier
- Retain water, in a way
- Hydroelectric power plant component
- Quadrupedal mother
- Fish ladder setting
- One may be made by beavers
- Power provider with spillways
- Salmon ladder setting
- Source of hydroelectric power
- Livestock mother
- Oroville, Three Gorges or Aswan
- Spillway site
- Water turbine setting
- Container of water?
- Creator of hydroelectricity
- A reservoir may be behind it
- Beaver build
- Hoover or Oroville, e.g.
