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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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The roof near the shaft was black shale up to 30 feet thick. This shale came down readily. The area mined by the reported production is lower than expected for the reported average thickness. It is likely that top coal was left in the mine to support the roof. Many concretions were present in the roof. In some areas, a limestone cap rock was present. A brecciated zone ran east-west through the mine, although this zone was not designated on the source map. This zone was 12 inches wide and extended from the floor to the roof, but with no vertical displacement. The source map showed a βfaultβ crossing a haul route in SW SW SW 22-T2N-R3W. Saltwater seeped into the mine at the rate of about 1 quart per minute. The salt water was associated with a thick oil that also seeped in at a lower rate. Associated gas may have ignited in explosions that took place in December 1937 and January 1938 that killed a total of five miners. The underclay heaved badly.
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