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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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Water-bearing gravels in the glacial materials above the mine discharged water that had to be pumped out of the mine. A northwest-southeast trending fault with 6 to 8 feet upthrown on the northeastern side ran through this mine, crossing the main north just off the bottom, 200 feet from the shaft. The northeastern side was thrust over the opposite side, thickening the coal up to about 15 feet. Many northwest-southeast-trending faults that disrupted the mining pattern are shown on the source maps. Bad top was noted on a source map in the extreme northeastern part and the south part of the mine. These areas of bad top appear to have halted mining in those rooms. The roof varied from black fissile shale to gray shale; generally the gray shale was 18 feet thick. The most conspicuous impurity was the pyrite, especially common as facings running vertically through layers of the seam. Lenses of solid pyrite were not uncommon, especially in the upper part of the seam.
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