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Progress reports :metallurgical division.

National safety competition of 1940

Progress reports :metallurgical division.

Determination of types of sulfur compounds in petroleum distillates

Temperatures of natural-gas pipe lines and seasonal variations of underground temperatures

A laboratory study of water encroachment in oil-filled sand columns

Analyses of crude oils from some fields of Oklahoma.

Form of sulfur occurrence in blast-furnace slag

Diesel engines underground.

Preliminary report on the flotation of bauxite

Inflammability of ether-oxygen-helium mixtures :their application in anesthesia

A study of timber decay in the Crucible Mine of the Crucible Fuel Co.

Cooperative fuel research motor-gasoline survey :summer 1940

Storage of subbituminous coal in bins

Active list of permissible explosives and blasting devices approved prior to June 30, 1941

Beehive and byproduct coking in Washington

Progress reports :metallurgical division.

Lime

List of respiratory protective devices approved by the U.S. Bureau of Mines

Constancy of B. t. u. value of "pure" 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.

Thermodynamic properties of gypsum and its dehydration products

Accidents in the Oklahoma petroleum industry in 1937

Theoretical calculations for explosives.

Coal paleobotany

Increasing the concentration of sulfur dioxide in the effluent gases from Dwight-Lloyd sintering machines treating lead products

Softening water with nonmetallic minerals

Permissible blasting units

Effect of changes in moisture and temperature on mine roof.

Exploration and sampling of domestic deposits of strategic minerals by the Mining Division, Bureau of Mines :report of progress as of May 1, 1941

Progress reports - metallurgical division.

Progress reports - metallurgical division.

Nonmetallic minerals needed for national defense.

Mechanized mining brings new electrical hazards

List of permissible mine equipment approved during 1940

Influence of expanding construction on shipments of building materials

Some information on quarry safety

Mining and benefication of Appalachian manganese ores

Pulmonary diseases in the mining industry

Petroleum refineries, including cracking plants, in the United States, January 1, 1941

Technical research by the Bureau of Mines in oil and gas production, refining, and utilization

Water problem in the Pennsylvania anthracite mining region

Detailed study of 60-day nonfatal underground accidents in Pennsylvania bituminous coal mines during 1939

Marketing graphite

Nonmetallic minerals needed for national defense.

Mercury poisoning as a mining hazard

Status of safety in mining


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