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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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The soft, massive, dark-to-light gray shale roof required timbering. One slip, with a displacement of 1.5 feet and filled with clay gouge, was noted. A few rolls were present in the roof. The principle trouble with the coal was the number and thickness of horizontal shale and pyrite bands. The coal seam contained pyrite bands in lenses and stringers above the blue band. Calcite and gypsum fracture fillings were throughout the bed vertically and laterally.
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