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Garrison Dam

(Encyclopedia)Garrison Dam, c.11,300 ft (3,400 m) long and 210 ft (64 m) high, on the Missouri River, near Riverdale, W central N.Dak.; one of the world's largest earth-filled dams used for irrigation power. Built ...

Itaipú Dam

(Encyclopedia)Itaipú Dam ētīˈpo͞o [key], hydroelectric dam on the Paraná River, on the Brazil-Paraguay border. Jointly constructed (1975–91) by Brazil and Paraguay, it is the second-largest hydroelectric da...

Denison Dam

(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...

Dam, Henrik

(Encyclopedia)Dam, Henrik hănˈrēk däm [key], 1895–1976, Danish biochemist. He identified vitamin K in 1934 and later investigated the role of vitamin E in nutrition. The 1943 Nobel Prize in Physiology or Medi...

Coolidge Dam

(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...

Conowingo Dam

(Encyclopedia)Conowingo Dam kŏnˌəwĭngˈgō [key], 4,648 ft (1,417 m) long, 102 ft (31 m) high, on the Susquehanna River, NE Md.; completed 1928. It is one of the largest nonfederal hydroelectric power plants in...

Akosombo Dam

(Encyclopedia)Akosombo Dam, Ghana: see Volta, river. ...

Shasta Dam

(Encyclopedia)Shasta Dam, 602 ft (183 m) high and 3,460 ft (1,055 m) long, on the Sacramento River, N Calif.; built 1938–45. One of the largest concrete dams in the world, it is a major unit in the Central Valley...

Pensacola Dam

(Encyclopedia)Pensacola Dam, 145 ft (44 m) high and 6,500 ft (1,980 m) long, on the Grand River (local name of the Neosho), NE Okla., NE of Tulsa; built 1938–41 by the state of Oklahoma. The dam impounds Lake of ...

Parker Dam

(Encyclopedia)Parker Dam, at the Ariz.–Calif. line, on the Colorado River; completed 1938. It is 320 ft (98 m) high and 856 ft (261 m) long. The dam impounds water for Los Angeles and other coastal cities, has a ...