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Conventional highwall mining extracts coal with an auger machine or a continuous miner from exposed seams at the base of opencut or strip operations. However, under ...

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Punch Longwall Mining - LongWall. The aim of this method is to mine coal form the highwall of an open cut operation, in which the stripping ratio is far outweighs the ...

In longwall mining, large rectangular blocks of coal are defined during the development stage of the mine and are then extracted in a single continuous operation.

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