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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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The roof was a type of shale referred to as βslateβ. The roof was good and only came down with the coal in widely scattered parts of the mine. The shale ranged from 0.5 inches to 3 feet thick. Up to 12 feet of limestone was above the shale. Minor slips occurred in the shale, and these areas of slip made an unstable roof. Streaks and lenses of pyrite were present through the coal bed. The blue band consisted of 0.75 to 1 inch of shale that was about 16 inches above the floor. The blue band adhered to the coal, and generally 1 inch of coal above and below the blue band was left in the mine
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