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Navajo Dam

(Encyclopedia)Navajo Dam, 402 ft (123 m) high and 3,648 ft (1,112 m) long, NW N.Mex., on the San Juan River, near the Colo. line; built 1958–63 by the U.S. Bureau of Reclamation. The dam, a major unit of the Colo...

Tracy

(Encyclopedia)Tracy, city (1990 pop. 33,558), San Joaquin co., central Calif., in the San Joaquin valley; inc. 1910. It is a railroad junction in a cattle and dairying region. Grapes, sugar beets, grain, fruit, nut...

Giunta Pisano

(Encyclopedia)Giunta Pisano jo͞onˈtä pēzäˈnō [key], fl. 1236–1255, Italian painter of Pisa. Among his signed works are three very large depictions of the Crucifixion executed for the churches of San Ranier...

Silicon Valley

(Encyclopedia)Silicon Valley, an industrial region, approximately 20 mi (32 km) long, in the Santa Clara Valley between Palo Alto and San Jose, mainly in Santa Clara and San Mateo counties, W central Calif., where ...

Vista

(Encyclopedia)Vista vĭsˈtə [key], uninc. city (1990 pop. 71,872), San Diego co., SW Calif., near the Pacific coast, in an agricultural and resort area; inc. 1963. Its manufactures include metal and plastic produ...

metamorphism

(Encyclopedia)metamorphism, in geology, process of change in the structure, texture, or composition of rocks caused by agents of heat, deforming pressure, shearing stress, hot, chemically active fluids, or a combin...

Montagna, Bartolomeo

(Encyclopedia)Montagna, Bartolomeo bärtōlōmĕˈō mōntäˈnyä [key], c.1450–1523, Italian painter. He was the founder and most important representative of the school of Vicenza, where he settled in 1480. His...

Stockton

(Encyclopedia)Stockton, city (1990 pop. 210,943), seat of San Joaquin co., central Calif., on the San Joaquin River; inc. 1850. One of the fastest-growing U.S. cities during the late 20th cent., Stockton is an inla...

Sand to Snow National Monument

(Encyclopedia)Sand to Snow National Monument, 154,000 acres (62,000 hectares) in the San Bernadino Mountains, S Calif. It rises from the Sonoran Desert floor to Mount San Gorgonio (11,503 ft/3,506 m), the highest p...

Rancho Cucamonga

(Encyclopedia)Rancho Cucamonga rănˈchō ko͞oˌkəmängˈgə [key], city (1990 pop. 101,409), San Bernardino co., S Calif. Situated in a vast suburban corridor, it is part of San Bernardino's metropolitan area. A...