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long-wall mining
(Encyclopedia) long-wall mining: see coal mining.drainage, in mining
(Encyclopedia) 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…underground coal mining
(Encyclopedia) underground coal mining: see coal mining.Kirkland Lake
(Encyclopedia) Kirkland Lake, mining town, E Ont., Canada. An important gold-mining center, gold was discovered there in 1911 and again in the 1980s at Harker. The mining of iron ore and tourism are…Dąbrowa Górnicza
(Encyclopedia) Dąbrowa Górnicza Dąbrowa Górnicza dôNbrôˈvä gôrnēˈchä [key], Ger.…Kizel
(Encyclopedia) KizelKizelkēzyĕlˈ [key], city (1989 pop. 37,000), E European Russia, on the Kizel River and on the western slopes of the Urals. It is a coal-mining and industrial center with coal-…mine, in industry
(Encyclopedia) mine, in industry: see mining.Kryvyy Rih
(Encyclopedia) Kryvyy RihKryvyy Rihkrĭvĭˈ rĭkh [key], Rus. Krivoy Rog, city (1989 pop. 713,000), SE Ukraine, at the confluence of the Inhulets and Saksagan rivers. It is a rail junction, an…Springs
(Encyclopedia) Springs, city, now part of Ekurhuleni metropolitan municipality, Gauteng prov., NE South Africa. It is an industrial center of the Witwatersrand, a gold- and uranium-mining region.…Elliot Lake
(Encyclopedia) Elliot Lake, city, S central Ont., Canada, W of Sudbury. The focus of a 1950s uranium-mining boom, it is now a retirement home center.…Trending
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