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Effect of acids and alkalies upon carbonization products of coal
Carbonizing properties of Powellton-bed coal from Coal Mountain mine, Guyan, Wyoming County, W. Va.
Carbonizing properties of Eagle-bed coal from Prospect shaft, Carbon, Kanawha County, W. Va.
Carbonizing properties of western coals
Carbonizing properties of Elkhorn no. 3-bed coal from Wheelwright mine, Floyd County, Ky.