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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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The roof was composed of black shale over the entire mine. Prominent subsidence at the surface indicated that the shale roof was very thin in many places. Clay slips and faults were noted in the seam. Caved areas prevented examination of the faults. The coal was cut out by post-Pennsylvanian valleys with vertical walls. The usual clay slips of the Springfield Coal were prominent, with the usual uneven contact with the coal along the sides of the slip, and with the usual clay partings in the coal adjacent to the slip being prominent as well. The coal was fairly flat-lying, with the exception of the western workings. One roll was present, limiting a mule to two cars in a haulage circuit, partly due to poor equipment.
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