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Hydrogenation and petrography of some low-rank coals from the western United States

Splint coals of the Appalachian Region:their occurrence, petrography, and comparison of chemical and physical properties with associated bright coals

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 Powellton-bed coal from Elk Creek no. 1 mine, Emmett, Logan County, W. Va. :and the effect of blending this coal with Pocahontas no. 3- and no. 4-bed coals

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

Carbonizing properties and petrographic composition of Upper Freeport coal from Morgantown District, Monongalia County, W. Va. :and of Lower Freeport coal from eastern Indiana County, near Cambria County, Pa.

Hydrogenation and liquefaction of coal.

Coal paleobotany

Carbonizing properties and petrographic composition of no. 2-bed coal from Bartoy mine and no. 5-bed coal from Wilkeson-Miller mine, Wilkeson, Pierce County, Wash.

Carbonizing properties and petrographic composition of Bakerstown-bed coal from no. 23 mine, Coketon, Tucker County, W. Va. :and the effect of blending this coal with Pittsburgh-bed (Warden Mine) coal

Mineral matter in coal

Hydrogenation and liquefaction of coal.

Carbonizing properties and petrographic composition of Lower Hignite-bed coal from the Atlas Mine, Middlesboro, Bell County, Ky. :and the effect of blending this coal with Pocahontas no. 3- and no. 4-bed coals


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