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Coal Underground Mining

  • Coal mining - Choosing a mining method | Britannica

    Coal mining - Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many .

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  • DNR: Coal Mine Information System

    The Coal Mine Information System (CMIS) is a repository for historical coal mining information in Indiana. It was developed through a cooperative agreement between the Indiana Geological Survey and the Indiana Department of Natural Resources, Division of Reclamation. In addition to historical .

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  • Underground Coal Mining

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  • Underground mining (soft rock) - Wikipedia

    Underground soft rock mining is a group of underground mining techniques used to extract coal, oil shale, potash and other minerals or geological materials from sedimentary ("soft") rocks. Because deposits in sedimentary rocks are commonly layered and relatively less hard, the mining methods used differ from those used to mine deposits in igneous or metamorphic rocks (see Underground mining .

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  • Coal mining | World Coal Association

    The choice of mining method largely depends on the geology of the coal deposit. Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common.

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  • How Underground Mining Works | HowStuffWorks

    Underground mines are the alternative to surface mines. Surface mines excavate from the top down, a method that can become inefficient at depths greater than about 200 feet (60 meters) [sources: Illinois Coal Association, De Beers].Undergrounds coal mines can drive 2,500 feet (750 meters) into the Earth and other types even deeper -- uranium mines can reach 6,500 feet, or 2 kilometers.

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  • Underground Coal Mining Jobs, Employment | Indeed

    103 Underground Coal Mining jobs available on Indeed. Apply to Underground Miner, Operator, Production and more!

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  • How Do They Do It__ Coal Mining Video.flv - YouTube

    Nov 25, 2010 · Young coal mine workers l Hidden America: Children of the Mountains PART 5/6 - Duration: . A Journey Underground - A look at the Argyle Diamond Mine - Duration: 5:01. Chris Magnay 498,426 views.

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