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mine

(Encyclopedia) mine, in industry: see mining .

mining

(Encyclopedia) 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, su...

mine

(Encyclopedia) mine, in warfare, term formerly applied to a system of tunnels dug under an army fortification and ending in a chamber where either explosives were placed to be detonated at a chosen moment or ...

land mine

(Encyclopedia) land mine: see mine , in warfare.

Sydney Mines

(Encyclopedia) Sydney Mines, town (1991 pop. 7,551), Cape Breton Island, N.S., Canada, on Sydney Harbour. It is a former coal-mining center, coal having been mined in the area from 1784 to 2001. There are ste...

Thetford Mines

(Encyclopedia) Thetford Mines, city (1991 pop. 17,273), S Que., Canada, NE of Sherbrooke and S of Quebec. The city, developed after the discovery (1876) of large asbestos deposits, is located in one of the wo...

coal mining

(Encyclopedia) 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 whic...