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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 ...

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...

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 ...

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...