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Yuma, city, United States

(Encyclopedia)Yuma yo͞oˈ mə [key], city (1990 pop. 54,923), seat of Yuma co., extreme SW Ariz., on the eastern bank of the Colorado River near the confluence of the Gila River; founded 1854, inc. as a city 1914....

Bowman, Isaiah

(Encyclopedia)Bowman, Isaiah bōˈmən [key], 1878–1950, American geographer, b. Waterloo, Ont., B.S. Harvard, 1905, Ph.D. Yale, 1909. He taught geography at Yale (1905–15) and was director (1915–35) of the A...

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,...

Tabernacle

(Encyclopedia)Tabernacle tăbˈərnăkˌəl [key], in the Bible, the portable holy place of the Hebrews during their desert wanderings. It was a tent, like the portable tent-shrines used by ancient Semites, set up ...

tent

(Encyclopedia)tent, portable shelter of canvas, skins, felt, matting, or other material usually supported by poles and used chiefly by nomads, hunters, and campers. Tents have been used by pastoral peoples since an...

Sara

(Encyclopedia)Sara or Sarah, in the Bible, wife of Abraham and mother of Isaac. With Rebecca, Rachel, and Leah, she was one of the four Hebrew matriarchs. Her name was originally Sarai [Heb.,=princess]. She was chi...

Petrified Forest National Park

(Encyclopedia)Petrified Forest National Park, 93,533 acres (37,881 hectares), E Ariz.; est. as a national monument 1906, designated a national park 1962. A part of the Painted Desert, it contains the largest known ...

rain

(Encyclopedia)rain, precipitation in liquid form. It consists of drops of water falling from clouds; if the drops are very small, they are collectively termed drizzle. Rain plays a key role in the hydrologic, or wa...

Phoenix, city, United States

(Encyclopedia)Phoenix, city (1990 pop. 983,403), state capital and seat of Maricopa co., S Ariz., on the Salt River; inc. 1881. It is the largest city in Arizona, the hub of the rich agricultural region of the Salt...

Durango, state, Mexico

(Encyclopedia)Durango do͞orängˈgō [key], state, 47,691 sq mi (123,520 sq km), N central Mexico. The city of ...