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Maurice Allais
Maurice Allais , 1911-, French economist. After working in the French mine administration, he joined the École National Superieure des Mines in Paris (1944-) and the Centre National de la Recherche Scientific (1946-), where he developed his economic theories of how large, state-owned monopoli...
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mining
mining extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as diamonds; building stones, such as granite; and solid fuels, such as coal and oil shale. The search f...
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coal mining
coal mining physical extraction of coal resources to yield coal; also, the business of exploring for, developing, mining, and transporting coal in any form. Strip mining is the process in which the overburden (earth and rock material overlying the coal) is removed to expose a coal seam or coal bed....
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land mine
land mine an explosive mine laid on or just under the surface of the ground....
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South Dakota School of Mines and Technology
South Dakota School of Mines and Technology at Rapid City; state supported; coeducational; chartered 1885, opened 1887 as Dakota School of Mines, renamed 1943. Of note are an engineering and mining experiment station, an institute of atmospheric sciences, a natural science field station, and a geol...
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drainage
drainage in mining, removal of water seeping into shafts and other underground mine workings from the surrounding ground. Unless seeping water is removed continually, it may endanger haulage and mining equipment, weaken supporting structures, and, in some instances, flood the mine completely. Water...
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University of Wyoming
University of Wyoming at Laramie; coeducational; land-grant and state supported; chartered 1886, opened 1887. The Rocky Mt. Herbarium, which has an outstanding collection of plants of the central Rocky Mts., the Laramie Natural Resources Research Institute (which conducts research on oil and gas ge...
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Sulphur
Sulphur city (1990 pop. 20,125), Calcasieu parish, SW La.; inc. 1914. It is a trade center for an area producing natural gas, oil, and timber as well as sorghum, soybeans, cattle, and crawfish. Industry centers chiefly around petroleum products, chemicals, and related enterprises. Engines, concrete...
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Kalgoorlie
Kalgoorlie , town (1991 pop. 25,016), Western Australia, SW Australia. It is the chief mining town of the state and the center of the East Coolgardie Goldfield. Gold was found at nearby Coolgardie in 1892; nickel is also mined. The Western Australia School of Mines (1902) was transferred (1903) from...
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Barnsley
Barnsley , city (1991 pop. 76,783) and metropolitan district, N England. Coal mining, engineering, and clothing industries dominate the local economy. A mining and technical college is in Barnsley.
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