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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 ...

Crook, George

(Encyclopedia)Crook, George, 1828–90, U.S. general, b. near Dayton, Ohio, grad. West Point, 1852. During the Civil War, Crook commanded a regiment of Ohio volunteers as colonel. After the war he operated so succe...

Mickelson, Philip Alfred

(Encyclopedia)Mickelson, Philip Alfred, 1970-, American golf pro, b. San Diego, Ca., Arizona State Univ. (BA, 1992) . Mickelson began playing golf with his ...

Napolitano, Janet Ann

(Encyclopedia)Napolitano, Janet Ann,, 1957 - , American politican and university administrator, b. New York, N.Y., Santa Clara (Ca.) Univ. (B.A., 1979); ...

O'Connor, Sandra Day

(Encyclopedia)O'Connor, Sandra Day, 1930–2023, U.S. lawyer and associate justice of the U.S. Supreme Court (1981–2006), b. El Paso, Tex. Graduating from Stanford ...

Pimería Alta

(Encyclopedia)Pimería Alta pēmārēˈä älˈtä [key], region in the U.S. Southwest and N Mexico, chiefly in SW Arizona and NW Sonora. It was inhabited by the Pimas and was the scene of the missionary labors of ...

wickiup

(Encyclopedia)wickiup wĭkˈēŭpˌ [key], temporary dwelling of nomadic Native North Americans. It is a framework of arched poles covered by brush, bark, rushes, or mats. The wickiup is found among Native American...

Pima

(Encyclopedia)Pima pēˈmə [key], Native North American tribe of S Arizona. They speak the Pima language of the Uto-Aztecan branch of the Aztec-Tanoan linguistic family (see Native American languages). There are t...

Coronado, Francisco Vásquez de

(Encyclopedia)Coronado, Francisco Vásquez de fränthēsˈkō väsˈkāth dā kōrōnäˈᵺō [key], c.1510–1554, Spanish explorer. He went to Mexico with Viceroy Antonio de Mendoza and in 1538 was made governor...

astrobleme

(Encyclopedia)astrobleme ăsˈtrōblēmˌ [key], large, circular structure ranging from c.1⁄2 mi to 40 mi (.8–64 km) in diameter. Astroblemes are found at numerous places on the earth's surface, e.g., Meteor, o...