The seams are principally above water levels and in many cases have been laid bare by erosion; and the supply is varied - besides a " fat coking, gassy bituminous," there are an excellent grade of splint coal (first mined in 1864 at Coalburg, Kanawha county) and (except that in Kentucky) the only important supply of cannel coal in the United States. [Please select]
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"I think I know this coal," he said in a low voice, "and if I'm right you've got the best and thickest vein of coking coal in these mountains."' [Please select]
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Coking of Illinois coals, by F. [Please select]
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After the coking process has progressed sufficiently, the edges should be packed down and the fire made as small as possible while still surrounding the ends to be joined. [Please select]
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The region of Connellsville contains almost 150 square miles underlaid with coal that has a particular heat value when submitted to the process known as coking. [Please select]
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As early as the late eighties certain operators had discovered this fact and were coking this coal on a small scale. [Please select]
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Frick's entrance into the combination gave the concern an unlimited supply of the highest grade of coking coal. [Please select]
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