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Bonneville Dam is a run-of-the-river dam on the Columbia River between Oregon and Washington, built in the 1930s as part of the New Deal. It provides hydroelectric power, river navigation, flood control and fish passage, and is a National Historic Landmark District.
Another fish—once foreign to the Columbia—accounted for the great silvery flood: the American shad. American Shad made their way to the Columbia after 1871 when Seth Green planted some fry in the Sacramento River, California. By 1938, when Bonneville Dam was completed and counts at the fishways were first tallied, only 5,000 were counted.
Bonneville Dam to McNary Dam. Wind: 48 580 34.2 Little White Salmon: 31 350 White Salmon: 71.3 1,000 30.4 Hood: 40 720 27.6 Klickitat: 154.3 3,496 44.5 Fifteenmile Creek: 87 970 5.6 Deschutes: 406 27,549.6 215.7 John Day: 457 20,521.3 80.4 Willow Creek: 127 2,300 0.9 Umatilla: 143 6,345 14 Upper Columbia. McNary Dam to Columbia Lake. Walla ...
A fish ladder, also known as a fishway, is a structure to help fish migrate around barriers such as dams and waterfalls. Learn about the different types of fishways, their effectiveness, and their history from ancient times to modern innovations.
Find out the number, location, type, capacity, height, year, owner and purpose of 1226 dams in Washington state. See the largest, tallest and longest dams, as well as the dams on the state border with Oregon.
White sturgeon (Acipenser transmontanus) is a species of sturgeon in the family Acipenseridae of the order Acipenseriformes. They are anadromous fish that range in the Eastern Pacific, from Alaska to California, and have a gray to brownish color with four to eight rows of bony plates.
Chief Joseph Dam is a concrete gravity dam and hydroelectric power plant on the Columbia River in Washington, USA. It was named after the Nez Perce chief who spent his last years in exile on the Colville Indian Reservation.
Lake Bonneville is a reservoir on the Columbia River in the U.S. states of Oregon and Washington. It was created in 1937 with the construction of Bonneville Dam . The reservoir stretches between it and The Dalles Dam , upstream.