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Verified Coordinates: Latitude, Longitude (i.e 38.077,-89.030)
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The roof was generally a gray shale, often composed of 3 to 6 feet of white top, some of which came down with the coal. A βclawβ of limestone cap rock descended to within 2 feet of the floor (300 feet southwest of the new hoist shaft). This area also had many concretions in the black shale. In the western part of the mine, the limestone was 6 inches above the coal. In the eastern part, up to 4 feet of black shale was between the coal and limestone. The blue band was 7 inches above the floor, and was composed of up to 2 inches of clay and shale.
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