Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of stress distributions in burst-prone coal pillars
Pulverizing lignite in a ball mill
Gas-reservoir properties from pressure-buildup data
Projectile impact initiation of condensed explosives
Relative pressure changes in coal pillars during extraction :a progress report
Correction for nonuniformity of the bore of a capillary tube viscosimeter
Effects of ultrasonic energy on fluid flow in porous media
Blast furnace operation with natural gas injection and oxygen-enriched blast
Continuous flotation of fluorspar from a calcareous Illinois ore
A rapid colorimetric method for field determination of nitrogen dioxide in fumes from explosives
The hafnium-carbon phase diagram
Purification of tungsten hexachloride
Spectrochemical analysis of coal ash
Estimation of low-temperature carbonization product yields :Utah coalfields
Reservoir study of the William Kaufman Lease Clover-Rush Run Oilfield, Roane County, W. Va.
Liberation and concentration of phosphate minerals by attrition grinding and sizing
Hydrogen cyanide from the reaction of coal with ammonia
Ringelmann Smoke Chart: Revision of IC 7718
Entrainment Carbonization of Texas Lignite
Fluorspar in the eastern states
Advances in Coal Spectrometry: Absorption Spectrometry
Some Statistical Techniques for Analyzing Mine and Mineral-Deposit Sample and Assay Data
Research and technologic work on explosives, explosions, and flames :fiscal year 1967
Recommended safety standards for shaft sinking :(revision of IC 7810)
Hot carbonate purification computer program
Study of the silver potential, Creede District, Mineral County, Colo.
The reactivity of ammonium nitrate-fuel oil with pyrite-bearing ores
Helium-4 experimental PVT references :1895 to 1968
Horizontal boring technology :a state-of-the-art study,
Bureau of Mines research on the analysis of high-purity tungsten
Petroleum and oil shale research of the Bureau of Mines :fiscal year 1966
Copper hydrometallurgy :a review and outlook
Refractory use patterns in the iron and steel industry of the United States
Magnetic susceptibility of 34 manganese-bearing minerals
United States coals in world markets
Active list of permissible explosives and blasting devices approved before December 1, 1967
Magnetic susceptibility of copper-, lead-, and zinc-bearing minerals
Composition and characteristics of municipal incinerator residues
A multistage probability model of sample reduction in the mineral industries