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Carbonizing properties of western region interior province coals and certain blends of these coals
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.
An investigation of a laboratory test for determination of the free-swelling index of coal
Carbonizing properities of Lower Banner coal from no. 56 mine, Dante, Russell County, Va.