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Mine Disasters in the United States

Mountaineer Coal Company
Llewellyn Shaft Explosion

Farmington, Marion County, West Virginia
April 30, 1965
No. Killed 4

USBM Final Investigation Report  (792 Kb)  PDF Format

Four employees working in the shaft were killed instantly by a violent gas explosion.  It is believed that one of the lights suspended in proximity of the shaft bottom was broken by a falling object and the resultant arcing caused by a short circuit ignited the methane-air mixture.

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