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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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The mine had gas problems; eight people were killed in four explosions between 1907 and 1925. One or two small faults were reported. The shale roof was soft and projected into the coal in several places as rolls. Generally 3 feet of top coal was left to protect the roof. Sulfur balls were scattered through the coal.
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