Search U.S. government technical reports digitized or harvested by TRAIL.
Carbonizing properties and petrographic composition of Pocahontas no. 3-bed coal from Buckeye no. 3 mine, Wyoming County, W. Va., and of Pocahontas no. 4-bed coal from no. 4 mine, Raleigh County, W. Va.
Carbonizing properties and petrographic composition of Lower Banner-bed coal from Keen Mountain mine, Buchanan County, Va. :and the effect of blending this coal with Pittsburgh-bed (Warden Mine) coal
Carbonizing properties and petrographic composition of no. 1-bed coal from Bell no. 1 mine, Sturgis, Crittenden County, Ky. :and the effect of blending this coal with Pocahontas no. 3- and no. 4-bed coals