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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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G. H. Cady noted that “so-called faults” were shown on the mine map, which he deduced were channel sandstones that cut down into (but not through) the coal seam. The first indication of approaching one of these channels was a thickening of the shale. Evidence indicated that the channels were contemporaneous with deposition of the upper portion of the coal or the roof shale. Horsebacks and rolls were present in the seam, generally bearing northeast-southwest.
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