Columbia Encyclopedia

(Encyclopedia) Coolidge Dam, 249 ft (76 m) high, 920 ft (280 m) long, on the Gila River, SE Ariz.; built 1927–28. It irrigates c.100,000 acres (40,470 hectares), half of which are Native American lands in San Carl...

(Encyclopedia) The Dalles Dam, 260 ft (79 m) high and 8,875 ft (2,705 m) long, on the Columbia River between Oregon and Wash., NE of The Dalles, Oreg.; built 1952–57 by the U.S. Corps of Engineers. The dam, a majo...

(Encyclopedia) Denison Dam, 17,200 ft (5,243 m) long, on the Red River along the Texas–Okla. border, NW of Denison, Tex. The dam, built by the U.S. Corps of Engineers for flood control and hydroelectric power, was...

(Encyclopedia) 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 ...

(Encyclopedia) Kariba Dam kärēˈbä [key], hydroelectric project, in Kariba Gorge of the Zambezi River, on the Zambia-Zimbabwe border, S central Africa; built 1955–59. One of the world's largest dams, it is 420 ...

(Encyclopedia) Grand Coulee Dam ko͞oˈlē [key], 550 ft (168 m) high and 4,173 ft (1,272 m) long, on the Columbia ...

(Encyclopedia) Three Gorges Dam, 607 ft (185 m) high and 7,575 ft (2,309 m) long, on the Chang (Yangtze) River, central Hubei prov., China, 30 mi (48 km) W of Yichang. The largest concrete structure in the world, th...

(Encyclopedia) All-American Canal, 80 mi (129 km) long, SE Calif.; part of the federal irrigation system of the Hoover Dam. Built between 1934 and 1940 across the Colorado Desert, the canal is entirely within the Un...

(Encyclopedia) Herbert Hoover National Historic Site: see National Parks and Monuments (table)national parks and monuments (table). ...

(Encyclopedia) Grand River Dam: see Pensacola Dam. ...