Search U.S. government technical reports digitized or harvested by TRAIL.
Heavy liquids and procedures for laboratory separation of minerals
Deformation of a borehole in rock
Semiquantitative spectrographic analysis of tungsten
Thermal behavior of manganese minerals in controlled atmospheres
Using a centrifuge for float-and-sink testing fine coal
Recovering cobalt and nickel from complex sulfide ores of southeastern Missouri
High temperature furnaces for x-ray diffractometers
Carbonizing properties of Wyoming coals
Beneficiating manganese oxide ores from the Butte-Philipsburg Federal Stockpile
Laboratory-scale casting furnace for high-melting-point metals
Design criteria for portable seismographs
Research on the hazards associated with the production and handling of liquid hydrogen
Susceptibility of organic compounds to tritium exchange labeling
Carbonizing tests with Tuscaloosa oven :factors influencing apparent specific gravity
Downward-flowing granular solids as pressure seals in vertical standpipes
Determining the in-place support of mine roof with rock bolts, White Pine Copper Mine, Michigan
Extraction of zirconium from Nigerian high-hafnium concentrate
Caustic sulfide leaching of mercury products
Discharge behavior in vacuum arc melting
Metallothermic reduction of vanadium chlorides
Preparation characteristics of coal from Preston County, W. Va.
Spectrophotometric determination of trace amounts of copper in tungsten metal powder
Development and operation of a pilot plant for feeding bituminous coal slurry to a pressure gasifier
Experimental treatment of Nevada and California fluorspar ores
Beneficiating North Carolina spodumene-beryl ores
Relative wetting tendencies of crude oils by capillarimetric method
Explosibility of agricultural dusts
Removing quartz and other impurities from refractory clays by mineral dressing methods
Statistical analysis of gallery variables affecting the probability of ignition by explosives
Production of zirconium by the semicontinuous reactor process
Recovering tin from hardhead by selective oxidation of iron
Thermal expansion of alpha alumina
Smelting taconite in the Bureau of Mines experimental blast furnace
Ultimate composition of organic material in Green River oil shale
Rapid determination of aluminum, iron, copper, cadmium, and lead in zinc-base alloys
Beneficiating spodumene from pegmatites of Gaston County, N.C.
Removing acid gas by agitated absorption
Performance of dense-medium cyclone in cleaning fine coal
Production of bimetal-reduced hafnium /by Dale W. Richardson.
Process development in removing sulfur dioxide from hot flue gases (in four parts).
Extracting neutral low-temperature lignite tar fractions with dipropionitrile solvents
Laboratory investigation of the effect of temperature on coal flotation
Zirconium-gadolinium equilibrium diagram
Photographic observation of quarry blasting
Dissolution of zinc from sphalerite at elevated temperatures and pressures
Thermal expansion and phase inversion of rare-earth oxides
Practical aspects of controlling an underground fire on a mining machine
Compressibility factors for helium and helium-nitrogen mixtures