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an underground coal mine crew of thirteen miners travels in a mantrip to their mining operations; although the mine safety and health administration
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an underground coal mine crew of thirteen miners travels in a mantrip to their mining operations; although the mine safety and health administration
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in 2007, coal accounted for 44 percent of rail tonnage and 21 percent of rail revenue. …railroads handle more than two thirds of all us coal shipments. — a pie chart on the same page shows that the 21% of railroad revenue is the largest single source by a considerable margin.
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this flow chart must be read subject to the applying for a coal or oil shale mining lease in an overlapping tenure situation if land is also in the area of