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Arbuckle Mountains

(Encyclopedia)Arbuckle Mountains ärˈbŭkəl [key], range of low, rolling hills, rising c.700 ft (210 m) above the prairie, S Okla.; remnant of mountains formed in the Precambrian. Interesting geological formation...

Slovyansk

(Encyclopedia)Slovyansk sləvyänskˈ [key], city (1989 pop. 135,000), E Ukraine, in the Donets Basin. It is a railroad junction and has salt and soda works. Manufactures include machinery, ceramics, and pencils. N...

Spa

(Encyclopedia)Spa, commune (1991 pop. 10,140), Liège prov., E Belgium, in the Ardennes. Its therapeutic mineral springs and baths, frequented since the 16th cent., made it an internationally fashionable watering p...

Yambol

(Encyclopedia)Yambol or Jambol both: yämˈbôl [key], city (1993 pop. 91,119), SE Bulgaria. It is a commercial center and produces textiles, machinery, ceramics, and furniture. There are mineral springs nearby. Th...

Russell, James Earl

(Encyclopedia)Russell, James Earl, 1864–1945, American educator, b. Hamden, N.Y., grad. Cornell, 1887, Ph.D. Leipzig, 1894. From 1895 to 1897 he was professor of philosophy and pedagogy at the Univ. of Colorado. ...

Evans, John

(Encyclopedia)Evans, John, 1814–97, American founder of educational institutions, b. Waynesville, Ohio, grad. Lynn Medical College, Cincinnati, 1838. He practiced medicine in Indiana and was the first superintend...

O'Sullivan, Timothy H.

(Encyclopedia)O'Sullivan, Timothy H., c.1840–1882, American pioneer photographer, b. New York City. O'Sullivan worked in Matthew Brady's first New York gallery and on the battlefronts of the Civil War. He made ph...

Missouri River basin project

(Encyclopedia)Missouri River basin project, comprehensive plan authorized in 1944 for the coordinated development of water resources of the Missouri River and its tributaries, draining an area of c.513,300 sq mi (1...

Hoover Dam

(Encyclopedia)Hoover Dam, 726 ft (221 m) high and 1,244 ft (379 m) long, on the Colorado River between Nev. and Ariz.; one of the world's largest dams. Built between 1931 and 1936 by the U.S. Bureau of Reclamation,...

Saint Johns, river, United States

(Encyclopedia)Saint Johns, river, 285 mi (459 km) long, rising in SE Fla., N of Lake Okeechobee, and flowing N to Jacksonville, where it turns abruptly eastward and enters the Atlantic Ocean 28 mi (45 km) away. It ...