Research topic: Columbia basin project

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 Grand Coulee Dam , provides the project with power and pumps the waters of the Columbia River into an irrigation system comprising a series of lakes, reservoirs, and numerous canals. Irrigation was begun in 1948. In 1969 the project had an installed hydroelectric power generation capacity of 2,333,000 kW. O'Sullivan Dam (200 ft/61 m high; 19,000 ft/5,791 m long; completed 1949) on Crab Creek, the project's southernmost... Read more