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Tucson
(Encyclopedia)Tucson to͞oˈsŏnˌ [key], city (1990 pop. 405,390), seat of Pima co., SE Ariz.; inc. 1877. Situated in a desert plain surrounded by mountains, Tucson is an important and growing transportation and t...Arizona, University of
(Encyclopedia)Arizona, University of, at Tucson; land-grant and state-supported; coeducational; chartered 1885, opened 1891. Because of the proximity of Pueblo villages and rich archaeological sites, Native America...Kitt Peak
(Encyclopedia)Kitt Peak, 6,875 ft (2,095 m) high, on the Papago reservation in the Quinlan Mts., S Ariz., SW of Tucson. It is the site of Kitt Peak National Observatory. ...Jeffords, Thomas
(Encyclopedia)Jeffords, Thomas, 1832–1914, American pioneer, b. Chautauqua co., N.Y. He went to Arizona in 1862 as a U.S. army scout and messenger and later became a stage driver. In 1866–67, he controlled mail...Fred Lawrence Whipple Observatory
(Encyclopedia)Fred Lawrence Whipple Observatory, astronomical observatory located 35 mi (56 km) S of Tucson, Ariz., at an altitude of 8,500 ft (2,590 m). It is operated jointly by the Smithsonian Astrophysical Obse...sandstorm
(Encyclopedia)sandstorm, strong dry wind blowing over the desert that raises and carries along clouds of sand or dust often so dense as to obscure the sun and reduce visibility almost to zero; also known as a dusts...Kitt Peak National Observatory
(Encyclopedia)Kitt Peak National Observatory, astronomical observatory located southwest of Tucson, Ariz.; it was founded in 1958 under contract with the National Science Foundation and is administered by the Assoc...Biosphere 2
(Encyclopedia)Biosphere 2, privately funded ecological research project in which eight people lived sealed in a 3.15-acre (1.28-hectare) structure for two years (Sept. 26, 1991–Sept. 26, 1993). Located in Oracle,...National Science Foundation
(Encyclopedia)National Science Foundation (NSF), an independent agency in the executive branch of the U.S. federal government concerned with promoting a national science policy by supporting basic research and educ...Udall, Stewart Lee
(Encyclopedia)Udall, Stewart Lee yo͞oˈdôl [key], 1920–2010, U.S. cabinet member and environmentalist, b. St. Johns, Ariz. After serving in World War II, Udall practiced law in Tucson until elected to the U.S. ...Browse by Subject
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