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Nov 05, 2015· Coal was first discovered across Pakistan and the rest of South Asia in the 1880s and was used by the Britishowned railway companies under colonial rule ...
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Coal is a combustible black or brownishblack sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms ...
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Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity.
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History of coal mining in southern Appalachia, and how it radically transformed the region.
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