Falkirk Wheel Boat Lift
Rideau Canal
PANAMA CANAL
Atlantic Road Norway
FortGibson7-2000_Dam
RANVIR-1200
Kirov class guided missile cruiser
Cordell Hull lock and dam
Lock and Dam closeup starved rock
Benjamin Sheares Bridge
Three Georges Dam construction
Mississippi_River_Lock_and_Dam_number_15
Klamath Dam, Omaha NE
Inguri Dam, Georgia
Grand Coulee Dam
Geoeye-1-hoover-dam
Weir, Vermont
Hagesteijni movable weir
Benmore Dam Spillway
Aerial view of BART weir