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The Central Utah Project is a US federal water project that was authorized for construction under the Colorado River Storage Project Act of April 11, 1956, [1] as a participating project.
Winchester Dam is a dam on the North Umpqua River in Winchester, Oregon, United States. Constructed in 1890, the dam was added to the National Register of Historic Places in 1996. [2] The Winchester Dam was made from large timber cribs. Originally, the dam was a mere four feet high, which was raised to sixteen feet in 1907.
Mica Dam is the tallest dam in Canada and second tallest in North America after the Chicoasén Dam in Mexico and it is the farthest upstream dam on the Columbia River. [7] The dam's underground powerhouse was the second largest in the world at the time of its construction, and was the first 500 kV installation of sulphur hexafluoride (SF 6 ...
In the spring of 1833, Bonneville explored along the Snake River in present-day Idaho, drifting into the head of the Salmon River and eventually into Fort Nez Perce. [2] During this trip he engaged a guide, John Enos (Enos), a 10-year-old Shoshone nephew of Gourd Rattler ( Washakie ) and Pahdasherwahundah (Iron Wristbands); Enos later served as ...
The lake was the result of an ice dam on the Clark Fork caused by the southern encroachment of a finger of the Cordilleran ice sheet into the Idaho Panhandle (at the present-day location of Clark Fork, Idaho, at the east end of Lake Pend Oreille). The height of the ice dam typically approached 610 metres (2,000 ft), flooding the valleys of ...
Dworshak Dam is a concrete gravity dam with a sloped downstream face and vertical upstream face, standing 717 feet (219 m) high from the foundations, 632 feet (193 m) above the riverbed and measuring 3,287 feet (1,002 m) long along its crest. The top of the dam is 44 feet (13 m) wide at an elevation of 1,613 feet (492 m) above sea level.
In recent years, shad counts at Bonneville and The Dalles Dams have ranged from over two million to over five million fish per year. Spawning shad returned to Columbia in May and June and migrated above Lower Granite Dam on the Snake River and above Priest Rapids Dam on the Upper Columbia. Unlike many introduced species, American shad have not ...
By 2008, the dam gates were open in all months except for the primary irrigation season of mid-May to mid-September, but the migrating fish count remained low. [8] In 2009, the National Marine Fisheries Service mandated that the dam gates be opened year round, allowing the river to flow freely.