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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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Faults were shown on the source map along the western boundary. Another fault was shown in the center of the mine, trending southwest-northeast. Displacement was not noted on the map, but mining stopped at the faults. The immediate roof was fine, soft, massive sandstone, which sometimes rolled into the coal for a few inches. The upper part of the coal sometimes contained localized clay partings. The coal was not mined where these partings were present. The coal had vertical fractures throughout the seam, and these were generally filled with clay or mud that was sticky and adhered to the coal. Some thin pyrite bands parallel to the bedding were noted in the seam.
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