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Carbonizing properities of Hill-bed coal from Hickey no. 1 mine on Lookout Mountain, Cherokee County, Ala.
Effects of oxidation upon the carbonizing properties of Pocahontas no. 3- and no. 4-bed coals from Eastgulf, Raleigh County, W. Va.
Carbonizing properities of Lower Banner coal from no. 56 mine, Dante, Russell County, Va.