Which Central Appalachian coal producer was responsible for a spill that dumped 306 million gallons of slurry into tributaries of the Tug Fork River? 
Martin County coal slurry spill:  The slurry came out of the mine openings, sending an estimated 306,000,000 gal of slurry down two tributaries of the Tug Fork River. Massey Energy: Massey Energy Company was a coal extractor in the United States with substantial operations in West Virginia, Kentucky and Virginia. Massey Energy:  By revenue, it was the fourth largest producer of coal in the United States and the largest coal producer in Central Appalachia.
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