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Iowa, river, United States

(Encyclopedia)Iowa, river, 329 mi (529 km) long, rising in the lakes of N Iowa and flowing SE to the Mississippi River, SE Iowa; Cedar River (300 mi/483 km long) is its chief tributary. A power dam crosses the gorg...

Elephant Butte Dam

(Encyclopedia)Elephant Butte Dam, main unit of the Rio Grande project of the U.S. Bureau of Reclamation on the Rio Grande, SW N.Mex.; completed 1916. The dam, with its large reservoir, is used for flood control, hy...

Hungry Horse Dam

(Encyclopedia)Hungry Horse Dam, 564 ft (172 m) high and 2,115 ft (645 m) long, NW Mont. on the southern fork of the Flathead River. A major unit in the development program for the Columbia River basin, it was built...

Colorado State University

(Encyclopedia)Colorado State University, at Fort Collins; land-grant with state and federal support; chartered 1870, opened 1879 as an agricultural college, assumed present name in 1957. There is a veterinary teach...

rhythm

(Encyclopedia)rhythm, the basic temporal element of music, concerned with duration and with stresses or accents whether irregular or organized into regular patternings. The formulation in the late 12th cent. of the...

Aymara

(Encyclopedia)Aymara īmäräˈ [key], Native South Americans inhabiting the Lake Titicaca basin in Peru and Bolivia. The originators of the great culture represented by the ruins of Tiahuanaco were very likely Aym...

control systems

(Encyclopedia)control systems, combinations of components (electrical, mechanical, thermal, or hydraulic) that act together to maintain actual system performance close to a desired set of performance specifications...

La Salle

(Encyclopedia)La Salle, city (1990 pop. 9,717), La Salle co., N Ill., on the Illinois River; settled 1830, inc. 1852. It forms a tricity unit with Peru and Oglesby. Corn, wheat, and soybeans are grown, and cattle a...

Kensico Reservoir

(Encyclopedia)Kensico Reservoir kĕnˈzĭkō [key], c.4 sq mi (10 sq km), SE N.Y., N of White Plains, formed by Kensico Dam (completed 1915) on the Bronx River. A principal unit in the New York City water supply sy...

Nash, Paul

(Encyclopedia)Nash, Paul, 1889–1946, English painter and wood engraver. He studied at the Slade School of Art, London. Nash worked at the front as official artist in both World Wars. He helped to form Unit One, a...