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Replacing the log dam in 1941 with a concrete structure 35 feet (11 m) high, it added a new fish ladder and a fish-counting station. The company closed the hydroelectric plant in 1972, although the fish ladder remained, and biologists from the Oregon Department of Fish and Wildlife used the station to count migrating salmon and steelhead. [92]
The American gizzard shad ( Dorosoma cepedianum ), also known as the mud shad, is a member of the herring family of fish and is native to large swaths of fresh and brackish waters in the United States of America, [2] as well as portions of Quebec, Canada, and Mexico. [3] The adult has a deep body, with a silvery-green coloration above fading to ...
The Three Gorges Dam ( simplified Chinese: 三峡大坝; traditional Chinese: 三峽大壩; pinyin: Sānxiá Dàbà) is a hydroelectric gravity dam that spans the Yangtze River near Sandouping in Yiling District, Yichang, Hubei province, central China, downstream of the Three Gorges. The world's largest power station in terms of installed ...
Bosher's Dam is a historic low head dam (also called a weir) built upon the James River just west of Richmond, Virginia.It is a 12-foot-high stone structure which interrupts the natural flow of Virginia's largest self-contained river by spanning the waterway between suburban Tuckahoe in Henrico County and the western part of Richmond just west of the Edward E. Willey Bridge.
The runoff of Banqiao Dam was 13,000 m 3 per second in vs. 78,800m 3 per second out, and as a result 701 million m 3 of water was released in 6 hours, while 1.67 billion m 3 of water was released in 5.5 hours at an upriver Shimantan Dam, and 15.738 billion m 3 of water was released in total. Rough diagram of water flow during the dam failure
95 cu ft/s (2.7 m 3 /s) The Ware River is a 35.4-mile-long (57.0 km) [1] river in central Massachusetts. It has two forks, its West Branch, which begins in Hubbardston, Massachusetts, and its East Branch, which begins in Westminster, Massachusetts. The Ware River flows southwest through the middle of the state, joins the Quaboag River at Three ...
The twait shad or twaite shad ( Alosa fallax) is a species of fish in the family Alosidae. [1] It is found in the eastern Atlantic Ocean and the Mediterranean Sea and is an anadromous fish which lives in the sea but migrates into fresh water to spawn. In appearance it resembles an Atlantic herring but has a row of six to ten distinctive spots ...
Creates. Lake Aldred. Holtwood Dam (also Holtwood Hydroelectric Dam, Holtwood Hydroelectric Plant, McCalls Ferry Dam) is the oldest of three major dams built across the lower Susquehanna River, and the middle location of the three. It was constructed as the McCalls Ferry Dam between 1905 and 1910 by the Pennsylvania Water & Power (PW&P) Company ...