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San Luis Potosí, state, Mexico

(Encyclopedia)San Luis Potosí sän lo͞oēsˈ pōtōsēˈ [key], state (1990 pop. 2,003,187), 24,417 sq mi (63,240 sq km), central Mexico. San Luis Potosí is the capital. Most of the state lies on the eastern tab...

São Francisco

(Encyclopedia)São Francisco souN frəsēshˈko͝o [key], river, c.1,800 mi (2,900 km) long, rising in the Serra de Canastra, SW Minas Gerais state, Brazil, and flowing northeast, then southeast through the sertão...

Sapir, Edward

(Encyclopedia)Sapir, Edward səpērˈ [key], 1884–1939, American linguist and anthropologist, b. Pomerania. Sapir was brought to the United States in 1889. After teaching at the Univ. of California and the Univ. ...

Orange River

(Encyclopedia)Orange River, chief river of S Africa, c.1,300 mi (2,090 km) long, rising in the Maluti Mts., N Lesotho. It flows SW through Lesotho, then meanders northwest and west through central South Africa, for...

Pierpont Morgan Library

(Encyclopedia)Pierpont Morgan Library, originally the private library of J. Pierpont Morgan, in 1924 made a public institution by his son J. P. Morgan as a memorial to his father (see Morgan, family). The library i...

Ayacucho

(Encyclopedia)Ayacucho äyäko͞oˈchō [key], city, capital of Ayacucho dept., S central Peru. It is a commercial center in a rich mining region that produces gold, silver, and nickel....

opal

(Encyclopedia)opal ōˈpəl [key], a mineral consisting of poorly crystalline to amorphous silica, SiO2·nH2O; the water content is quite variable but usually ranges from 3% to 10%. Common opal is usually colorless...

Anderson, Marian

(Encyclopedia)Anderson, Marian, 1897–1993, American contralto, b. Philadelphia. She was the first African American to be named a permanent member of the Metropolitan Opera Company, as well as the first to perform...

Agassiz, Lake

(Encyclopedia)Agassiz, Lake ăgˈəsē [key], glacial lake of the Pleistocene epoch, c.700 mi (1,130 km) long, 250 mi (400 km) wide, formed by the melting of the continental ice sheet beginning some 14,000 years ag...
 

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