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A lock on a man-made tributary diverting water from the natural river to the east  to overcome the annual variances in water depth on the river in order to maintain the shipping trade along the Mississippi River in the central United States.  This aerial view is just outside of St. Louis, Missouri on the Illinois side of the river.
River cruise boat entering Lock and Dam 22 on Mississippi river
The Conowingo dam is a popular attraction to watch birds, especially bald eagles.
Upper Mississippi River Lock and Dam at Quincy Illinois
Inside the lock at Lock and dam 13 on the Arkansas River in Barling.
RiviAre-des-Prairies power station
Located in Little Rock Arkansas (Pulaski County), \n\nElevated up to 90 feet above the Arkansas River, the Big Dam Bridge connects over 14 miles of scenic riverside trails in the cities of Little Rock and North Little Rock, and assists in the connection of 70,000 acres of various city, county, state and federal park land. It’s one of several Little Rock bridges that serve bicyclists and pedestrians.\n\n\nTwo Rivers Park is located at the confluence of the Arkansas River and the Little Maumelle River.  The Two Rivers Park Bridge is a pedestrian and bicycle bridge that  connects the Little Rock shore of the Little Maumelle River west of I-430 to trails at Two Rivers Park.
Welland Canal Lock #4
A lock and dam on the Mississippi River
This high-resolution photo shows the Eidersperrwerk, a flood protection dam located on the Eider river in Germany. The massive concrete structure stands tall against the backdrop of a clear blue sky, with the calm waters of the river flowing behind it. The Eidersperrwerk serves as a vital component of the region's flood control system, protecting the surrounding communities from the dangers of rising water levels. This photograph would be a suitable addition to any project related to civil engineering, flood prevention, or infrastructure.
Overhead Shot of Dam and Lock on the Ohio River
View of water gates used to control flow of water through the California Aqueduct, as is flows southward.\n\nTaken near Los Banos, California
The corps of Engineers releasing record amounts of water from Lewis and Clark lake at South Dakota's Gavins Point Dam.
view to Chaudiere Dam in Ottawa
Tugboat inside a lock on a river in Alabama.
San José reservoir in Castronuño, Valladolid-Spain. Reservoir on the Duero river opening its floodgates due to the increased flow of the river due to the increase of the last rains. Floods. Increased river flow, climate change. Electric power substation, hydroelectric power plant. The river carries with it the remains of dry trees abandoned on the riverbanks.
Aerial photo Kentucky hydroelectric Dam over Tennessee River USA
Aerial view of a hydroelectric power station on the river.
A series of locks and dams on the Upper Mississippi River, like this one at Dubuque, Iowa, were built in the 1930s to facilitate commercial navigation and control floods.
A tugboat pushing a barge up into a canal controlled by locks along the Mississippi River just north of the city of St. Louis.
Wilson Dam and hydro power station on the Tennessee River in Florence, Alabama
St. Catharines, Canada.
Conowingo Hydroelectric Dam discharging water on a winter morning
Dam
Starved Rock SP - Barge & Towboat Enter Lock on Illinois River
Colorful Autumn Scenes in Chattanooga, Tennessee During Thanksgiving Week in the Fall of 2023
Tail-waters below Gavins Point dam on the Missouri River in South Dakota.
Ship leaves lock, Esna locks, Esna, River Nile, Egypt. Originally constructed during the Ptolemaic era to control the flow of the Nile, it preserves and stores water for agriculture and improves navigation, Esna Lock and weir barrage connect the upper and lower parts of the river and are essential for transportation of passengers in river cruise ships and for freightThe River Nile has always and continues to be a lifeline for Egypt. Trade, communication, agriculture, water and now tourism provide the essential ingredients of life - from the Upper Nile and its cataracts, along its fertile banks to the Lower Nile and Delta. In many ways life has not changed for centuries, with transport often relying on the camel on land and felucca on the river
Locks and Dam in Winfield West Virginia
A canal along the Mississippi River  near St. Louis with locks to control the depth of the river to maintain year-round shipping capabilities from the northern states through to the Gulf of Mexico.
Free Images: "bestof:Montgomery Locks and Dam.jpeg Montgomery_Locks_and_Dam http //www lrp usace army mil/Missions/Navigation/LocksandDams/MontgomeryLocksDam aspx 12 Feb 16 20px"
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