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Provocative Mining Publication | Coal, Colliery and Mining ...Nov 06, 2012· I have seen coal mining "evolve" from a modest output from faces to "super faces" in my time underground, as many members on this site who are over 60 have. Elimination of stableholes on longwall faces was a great advancement in higher production, retreat mining as against advance mining was also a great stride forward where it could be ...
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The National Coal Board The Documentaries ScreenonlineThe most frequent common theme reflected by the earlier films is the speed, scale and technical intricacy of the revolution in mining techniques brought about by the NCB's modernisation programme, and in particular by the almost complete shift to mechanised coal getting.