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King, Clarence

(Encyclopedia)King, Clarence, 1842–1901, American geologist, b. Newport, R.I., grad. Sheffield Scientific School, Yale, 1862. After serving as a volunteer assistant in the California state geological survey (1863...

Jefferts Schori, Katharine

(Encyclopedia)Jefferts Schori, Katharine, 1954–, American Episcopal bishop, b. Pensacola, Fla. An oceanographer (Ph.D. Oregon State Univ., 1983) who had worked with the National Marine Fisheries Service, she was ...

turquoise

(Encyclopedia)turquoise, hydrous phosphate of aluminum and copper, Al2(OH)3PO4·H2O+Cu, used as a gem. It occurs rarely in crystal form, but is usually cryptocrystalline. Turquoise is opaque and has a waxy luster; ...

Lamy, Jean Baptiste

(Encyclopedia)Lamy, Jean Baptiste zhäN bätēstˈ lämēˈ [key], 1814–88, Roman Catholic archbishop in the U.S. Southwest, b. France. He was ordained in 1838 and, after doing missionary work in S Ohio, was sent...

Area 51

(Encyclopedia)Area 51, name for a U.S. military site, S Nev., c.80 mi (130 km) NNW of Las Vegas. Shrouded in secrecy since the mid-20th cent., it is located within the U.S. Air Force's enormous Nevada Test and Trai...

Hearst, George

(Encyclopedia)Hearst, George hûrst [key], 1820–91, American mining magnate, U.S. senator (1886–91), b. Franklin co., Mo. He went to California in 1850 and became a mining prospector and geologist. He successfu...

Guadalupe Hidalgo, Treaty of

(Encyclopedia)Guadalupe Hidalgo, Treaty of, 1848, peace treaty between the United States and Mexico that ended the Mexican War. Negotiations were carried on for the United States by Nicholas P. Trist. The treaty wa...

Escalante, Silvestre Vélez de

(Encyclopedia)Escalante, Silvestre Vélez de sēlvāˈstrā vāˈlāth dā āskälänˈtā [key], fl. 1769–79, Spanish explorer in the American Southwest and Far West, a Franciscan missionary. He was in charge of...

Rif

(Encyclopedia)Rif rĭf [key] or Rif Atlas, range of the Atlas Mts., NE Morocco, NW Africa, curving along the Mediterranean coast from Ceuta to Melilla. Tidighin (8,056 ft/2,455 m) is the highest peak. Composed of s...

Owens

(Encyclopedia)Owens, river, c.120 mi (190 km) long, rising in the Sierra Nevada, E Calif., SE of Yosemite National Park and flowing SE, to enter Owens Lake, near Mt. Whitney. Since 1913, at a point c.45 mi (70 km) ...