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Influence of washing coal on coke properties and on gas and by- product yields

Some experimental data on the influence of dry and wet cleaning on coke properties and on gas and by-product yields of Pittsburgh and Mary Lee coals

Recent developments in by-products from bituminous coal

Comparison of small and large scale experimental carbonizing apparatus :Tests of Pittsburgh Bed coal from Allison mine, Fayette county, Pa., and of a coal from the Michel Mine, British Columbia

Carbonizing properties and petrographic composition of Pittsburgh bed coal from Pittsburgh terminal no. 9 mine, Washington County, Pa.

Carbonizing properties and petrographic composition of Millers Creek bed coal from Consolidation no. 155 mine, Johnson County, Ky., and the effect of blending Millers Creek coal with Pocahontas bed and Pittsburgh bed (Warden mine) coals

Résumé of research and technologic work relating to coal conducted by the Technologic Branch during 1936

Annual report of research and technologic work on coal, fiscal year 1937

Carbonizing properties and petrographic composition of Upper Banner bed coal from Clinchfield no. 9 mine, Dickenson County, Va., and of Indiana no. 4-bed coal from Saxton no. 1 mine, Vigo County, Ind. :and the effect of blending these coals with Beckley bed coal

Notes on the sampling and analysis of coal

Carbonizing properties and petrographic composition of Pond Creek bed coal from Majestic mine, Majestic, Pike County, Ky.

Annual report of research and technologic work on coal fiscal year 1938

Carbonizing properties and petrographic composition of High Splint bed coal from Closplint mine, Closplint, Harlan County, Ky.

Carbonizing properties and petrographic composition of washed and unwashed Lower and Upper Kittanning-bed coals from mines 72 and 73, Johnstown, Cambria County, Pa.

Carbonizing properties and petrographic composition of Sewell bed coal from Wyoming Mine, Wyoming County, W. Va., and the effect of blending this coal with Alma bed coal

Carbonizing properties and petrographic composition of Pittsburgh-bed coal from Bureau of Mines Experimental mine, Bruceton, Allegheny County, Pa.

Classification chart of typical coals of the United States :showing B.t.u. per pound on the moist, mineral-matter-free basis, plotted against fixed carbon on the dry, mineral-matter-free basis


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