Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
1526 results returnedSearch results
- 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
- 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)
- 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
- Ventilation of manholes.