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Steep Rock Lake

(Encyclopedia)Steep Rock Lake, 4 mi (6.4 km) long and 3 mi (4.8 km) wide, SW Ont., Canada, W of Lac des Mille Lacs. It is the site of important iron ore mining. Part of the lake was drained to facilitate the mining...

Rock Creek Park

(Encyclopedia)Rock Creek Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Chimney Rock National Monument

(Encyclopedia)Chimney Rock National Monument, 4,726 acres (1,913 hectares), SW Colorado; est. 2012. Located in San Juan National Forest, it is bordered by the Southern Ute reservation. Within the monument are the r...

cock-of-the-rock

(Encyclopedia)cock-of-the-rock: see cotinga.

Rock Island, city, United States

(Encyclopedia)Rock Island, city (1990 pop. 40,552), seat of Rock Island co., NW Ill., on the Mississippi and Rock rivers, adjacent to Moline and opposite Davenport, Iowa; inc. 1841. These three cities, with Bettend...

Rock Island, town, Canada

(Encyclopedia)Rock Island, town (1991 pop. 1,067), S Que., Canada, at the Vermont border. It is the seat of Stanstead College. Machine tools, dies, and textiles are made. ...

Dome of the Rock

(Encyclopedia)Dome of the Rock: see Islamic art and architecture. ...

Little Rock Central High School National Historic Site

(Encyclopedia)Little Rock Central High School National Historic Site: see National Parks and Monuments (table)national parks and monuments (table). ...

Pacific, War of the

(Encyclopedia)Pacific, War of the, 1879–84, war between Chile and the allied nations, Peru and Bolivia; also called the Chile–Peruvian War. The trouble began when President Hilarión Daza of Bolivia rescinded (...

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...