Darr mine tragedy pennsylvania s worst mining disaster video to be replaced 22:35 Darr Mine Tragedy: Pennsylvania's Worst Mining Disaster 27:34 The Darr Mine Disaster 14:23 The WORST mining disaster in American history | The Monongah Mine Disaster. 10:47 A Brief History of: The Knox Coal Mine Collapse and Flood 1959 11:54 The Farmington Mine Disaster | A Short Documentary | Fascinating Horror 28:29 Mine 21 Explosion: What happened firsthand! 16:44 The 1947 Centralia Mine Disaster 14:00 Pike River Coal Mine Disaster 2010 | Third World Standards In a First World Country 10:21 The Monongah Mining Disaster | The Worst Mining Disaster in U.S. History | Disaster Documentary 10:16 The Knox Mine Disaster | A Short Documentary | Fascinating Horror 27:54 The Upper Big Branch Mine Disaster: 10th Anniversary Special 10:27 Stolen Coal: A Look Inside an Abandoned Bootleg Coal Mine 11:50 Monongah: The Worst Mining Disaster in American History 43:59 Sunshine Mine Fire Disaster 56:02 Struggle for an American Way of Life: Coal Miners and Operations in Central Pennsylvania, 1919-1933 51:23 The Miners Story Jack Palance Coal Mining Documentary Pennsylvania 47:43 Levant Mining Disaster 1919 13:54 Mammoth Mine Tragedy: Freak Accident Or Work Fatigue? 23:19 The Tragedy Of The Senghenydd Mining Disaster | Documentary Film 09:57 How The Westray Disaster Changed Canadian Job Safety More results