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	“SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY TRAINING FILM XD49364 (PeriscopeFilm) View
	Longwall Mining (LongwallAssociates) View
	Subsided Ground...Fallen Futures (Part 1 of 2) (EndLongwallMining) View
	Peabody Energy Twentymile Coal (MiningInSocietyMB) View
	Daw Mill Colliery,UK`s Highest Ever Yearly Coal Producing Coal Mine. (michael szepeta) View
	Underground coal mining \| Extreme coal mining process (info KU) View
	JGLSLW Store Norske (Komatsu Mining) View
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