Under dround coal mining
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    coal mining. types of coal mines. there are four main types of coal mines: shaft mine, slope mine, drift mine, and surface (open cast) mine. the mine at coalwood was a shaft mine; the coal was brought up in an elevator from 600 to 800 feet underground.

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    coal mining methods underground mining longwall & room and pillar mining longwall mining and room and pillar mining are the two basic methods of mining coal

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    find out how coal is mined underground. this short video describes a form of underground mining called long wall mining, how do we mine coal? (underground processes)

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    underground mining or deep mining is the method used in most illinois coal production. traditionally speaking, this is the process most individuals associate with coal mining.

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    coal mining methods underground mining longwall & room and pillar mining longwall mining and room and pillar mining are the two basic methods of mining coal

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