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Carbonizing properties of Boone County, W. Va., coals
Carbonizing properties of Butler County, Pa., coals
Carbonizing properties of Perry County, Ky., coals
Carbonizing properties of coals from Elk, Clarion, Jefferson, Clearfield, and Centre Counties, Pa.
Carbonizing properties of coals from Buchanan, Dickenson, Russell, Tazewell, and Wise Counties, Va.
Comparison of properties of coke produced by BM-AGA and industrial methods
Carbonizing properties of Letcher County, Ky., coals
Carbonizing properties of coals from Fayette and Greenbrier counties, W. Va.
Carbonizing properties of coals from Nicholas, Randolph, and Webster counties, W. Va.