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Progress reports - metallurgical division.

Diesel engines underground.

Progress reports :metallurgical division.

Progress reports :metallurgical division.

Explosibility of semianthracite, low-volatile bituminous-coal, and medium-volatile bituminous-coal dusts

Annual report of the petroleum and natural-gas division :fiscal year 1939

Equilibrium cell for investigating properties of fluids from petroleum and natural-gas reservoirs :(with a section on hypothetical phase relations of natural hydrocarbon mixtures)

Ventilation of manholes.

Underground transportation of coal :Progress report 1

Measurement of pressures on rock pillars in underground mines.

Shrinkage of coke

Annual report of the nonmetals division, fiscal year 1940

Quantitative analysis by x-ray diffraction.

Differential grinding of Alabama iron ores for gravity concentration

Staining of clay minerals as a rapid means of identification in natural and beneficiated products :with a general discussion on staining technique

Cooperative fuel research motor-gasoline survey :Winter 1939-40

Diesel locomotives in gassy mine workings of Belgium

National safety competition of 1939

Analyses of some Illinois crude oils

A twenty years' survey of the use of sheathed explosives in Belgium

Tests of salt as a substitute for rock dust in the prevention of coal-dust explosions in mines

A method for determining the water content of oil sands

Study of brine-disposal systems in Illinois oil fields

Active list of permissible explosives and blasting devices approved prior to June 30, 1940

Annual report of the Explosives Division, fiscal year, 1940

Darkening light-color soils with coal-mine waste

Concentration of manganosiderite ore from Leadville, Colo.

Contributions to the art of smelting lead products

Explosive properties of cyclopropane :prevention of explosions by dilution with inert gases

Time study analyses.

Phenomena observed during prolonged oxidation of anthracite

Studies of roof movement in coal mines.

Gaseous products from explosives.

Stemming in metal mines.

Measurements of compressibility of consolidated oil-bearing sandstones

The eykometer :a new device for measurement of the yield point of clay suspensions and oil-well drilling muds

Flocculation as an aid in the clarification of coal washery water

Application of well-test data to the study of specific gas-production problem

Cooperative fuel research motor-gasoline survey, summer 1939

Tests on the effect of acid mine waters on various cements

Progress reports - Metallurgical Division.

Progress reports :metallurgical division.

House movement induced by mechanical agitation and quarry blasting :progress report [No.] 3

Diesel engines underground.

Use of rock dust in bituminous-coal mines

Combustibility of coke in air

Permissible electrically operated pumps

Progress reports :metallurgical division.

Progress reports :metallurgical division.

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


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