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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

Origin and petrographic composition of the Lower Sunnyside coal of Utah

Analyses of Colorado coals

Suggested procedure for conducting first-aid and mine rescue contests

Tests of the compressibility and bearing strength of potash salt

Relative value of gypsum and anhydrite as additions to Portland cement

Chemistry of the anhydrous chlorides of chromium :a thermodynamic investigation

West Virginia coal-mine accident costs and data -July 1, 1929 to June 30, 1934

Cooperative fuel research motor-gasoline survey, summer 1937

Federal placer-mining laws and regulations

Flow of air and natural gas through porous media

Metallurgical developments at Mercur, Utah

Flotation for recovery of scheelite from slimed material

Studies pertaining to the catalytic hydrogenation of pyrolytic tars

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

Cost of coal-mine fatalities and some permanent disabilities in Ohio :January 1, 1930 to December 31, 1934

Notes on the sampling and analysis of coal

Methods for the detection and determination of carbon monoxide

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

Production of explosives in the United States during the calendar year 1938

Inspection and maintenance of mine hoisting ropes

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.

Experiments on strength of small pillars of coal in the Pittsburgh bed

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

Burning of coal in down-draft ceramic kilns and burning characteristics of some Ohio coals

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

Analyses of Pennsylvania bituminous coals

Physical and chemical properties of cokes made or used in Washington

Allaying dust in bituminous-coal mines with water

Some asphalts from Oregon Basin (Wyoming) crude oil


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