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Underground Coal Mining Methods And Engineering

FIGURE F1 Schematic of a roomandpillar coal mine section. SOURCE Arch Coal, Inc., 2012. FIGURE F2 Details of the longwall face. SOURCE EIA, 1995. There are several variations of each method. However, ever since the introduction of continuous miners in the late 1940s, roomandpillar continuous mining has been gaining ground over conventional roomandpillar mining.

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Underground Coal Mining Methods And Engineering

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