Detailed text transcripts for TV channel - MSNBC - 20140401:00:45:00
>> on april 5th, 2010, an explosion at west virginias upper big branch mine killed 29 miners in what was the worst coal mining accident in the united states since 1970. scathing investigation released the following year by the mine safety and health administration found the mines owner, massey energy and the massey subsidiary that ran the mine were largely responsible for the tragedy. find they engaged in mull. examples of systemic, intentional and afwrggressive efforts. allowed conditions to ex...
Mine Safety And Health Administration Coal Dust Explosion West Virginia Upper Big Branch Mine Disaster Coal Mining Accident April 5th
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