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Manhattan Project

(Encyclopedia) Manhattan Project, the wartime effort to design and build the first nuclear weapons (atomic bombs). With the discovery of fission in 1939, it became clear to scientists that certain…

Newlands project

(Encyclopedia) Newlands project, on the Carson and Truckee rivers, W Nev.; one of the first projects built by the U.S. Bureau of Reclamation (1903–8). Lahontan Dam was completed in 1915 to produce…

Shoshone project

(Encyclopedia) Shoshone project, NW Wyo., near the Mont. line and in the Shoshone River basin. Developed by the U.S. Bureau of Reclamation, it irrigates a large portion of land and has four divisions…

Boise project

(Encyclopedia) Boise project, in the Boise, Payette, and Snake river valleys, SW Idaho and E Oregon; developed in 1905 by the U.S. Bureau of Reclamation for irrigation, hydroelectricity, flood…

North Platte project

(Encyclopedia) North Platte project, unit of the U.S. Bureau of Reclamation, in the North Platte River valley, W Nebr. and E Wyo. It supplies hydroelectric power to many towns and industries and…

Strawberry valley project

(Encyclopedia) Strawberry valley project, N central Utah, developed by the U.S. Bureau of Reclamation for irrigating lands S of Utah Lake; constructed 1906–13. The water of Strawberry River and its…

Cheyenne, river, United States

(Encyclopedia) Cheyenne, river, 527 mi (848 km) long, rising in E Wyo. and flowing NE to the Missouri River near Pierre, S.Dak. The Cheyenne basin is part of the Missouri River basin project. The U.S…

Columbia basin project

(Encyclopedia) Columbia 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…

James Bay Project

(Encyclopedia) James Bay Project, a colossal hydroelectric development of the rivers emptying into the E James Bay, central Quebec, Canada. La Grande Phase I, finished in 1985, created the world's…

Reclamation, United States Bureau of

(Encyclopedia) Reclamation, United States Bureau of, agency set up in the Dept. of the Interior under the Reclamation Act of 1902. It is charged with promoting regional economies by developing water…