Coal mining - Wikipedia, the free encyclopediaThe goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity.a short note on coal mining,Mining - Wikipedia, the free encyclopediaMining is the extraction of valuable minerals or other geological materials from the earth from an orebody, lode, vein, seam, reef or placer deposits which forms the mineralized package of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, .. Although an increased use of bank notes, credit and copper coins during this.History of coal mining - Wikipedia, the free encyclopediaNotes . A Short History of the British Industrial Revolution. . Surface Coal Mining Reclamation: 15 Years of Progress, 1977-1992,.
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