John Day Dam

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John Day Dam,

219 ft (67 m) high and 5,640 ft (1,719 m) long, on the Columbia River between Oregon and Wash.; built between 1959 and 1968 by the U.S. Army Corps of Engineers. It is an extremely large generator of hydroelectric power. The dam's reservoir regulates navigation upstream; locks provide ship passage from The Dalles Dam reservoir to McNary Dam (see Columbia basin projectColumbia basin project,
central Wash., a multipurpose development of the U.S. Bureau of Reclamation providing irrigation, hydroelectric power, and flood control. Its key unit, the Grand Coulee Dam, provides the project with power and pumps the waters of the Columbia River into
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References in periodicals archive ?
The dive team began the operation at the John Day Dam on 4 December 2006.
At the John Day Dam, the line would again cross the Columbia River into Oregon and terminate at Bonneville's John Day Substation.
In a field study, Damkaer and Dey[10] (See sidebar, Flouride Effects on Salmon at John Day Dam, Columbia River, 1982-1986) demonstrated that high salmon loss at John Day Dam on the Columbia River, 1982-1986, was caused by the inhibition of migration by fluoride contamination from an aluminum smelter located 1.
23) The team is also planning for a $20 million Passive Integrated Transponder (PIT) tag sampling facility at John Day Dam, although there are far more critical passage measures on which scarce money can and should be spent.
18, 1995--A contract to construct a multimillion dollar juvenile fish sampling and monitoring facility at John Day Dam on the Columbia River was awarded on Dec.
At the Bonneville Dam, the firm which also set up upgraded systems, the John Day Dam, The Dalles Dam and other industrial facilities, beat out four other bidders to gain the plan
John Day: The daytime spill study initiated at John Day Dam last year
Columbia's smelter, located at the John Day Dam on the north side of the Columbia River 100 miles east of Portland, Ore.
For 10 years he traveled the country working construction sites, including the turbines at John Day Dam.
5 million worth of cable for a new 500-kilovolt power line for its project at McNary and John Day dams.
Just up river, at the Giles French check station between The Dalles and John Day dams, 20,000 have been caught.
The new power line, spanning about 80 miles between the McNary and John Day dams, is needed to transmit power from the Wanapa power plant that would be built near Hermiston on land owned by the Confederated Tribes of the Umatilla Indian Reservation.