Search U.S. government technical reports digitized or harvested by TRAIL.
Removal of magnesium impurities from phosphate rock concentrates
Air-sealing coal mines to reduce water pollution
Mass spectra and analytical correlations of some alkylcycloalkyl sulfides
Strengths of sulfur-basalt concretes
Wellbore enlargement test in a gas-storage well
A statistical interpretation of sample assay data from the Getchell Mine, Humboldt County, Nev.
Refinement of hematite crystal structure
Evaluation of electrowon tungsten sheet
Bench-scale carbonization of lignite from the northern Great Plains province :a statistical approach
Columbium alloy development with boron, hafnium, and tungsten
Reduction roasting of nonmagnetic taconites with automobile scrap
Comparative emissions from some leaded and prototype lead-free automobile fuels
Fracturing hard rock with nuclear explosives and extraction of ore by a modified block-caving method
Evaluation of oil-shale fracturing tests near Rock Springs, Wyo.
Prediction of penetration rate for percussive drilling
Leaching gold-bearing mill tailings from Mercur, Utah
Repeatability of plastometer and dilatometer tests of coal
Development of high-temperature vanadium-base alloy
Microbial conversion of hydrous calcium sulfate to hydrogen sulfide
Radiant heating of coal dust clouds by flames in coal mine galleries
Phase relations in the alkaline earth fluoride-yttria systems :(in three parts).
Role of alumina-to-silca mole ratio in the lime-soda sinter process
Design and construction of a radiation probe
Effect of fuel composition on exhaust emissions from a spark-ignition engine
Sorption of SO₂ and regeneration of alkalized alumina in fluidized-bed reactors
Method of weighing an object in gaseous atmospheres to obtain its true mass and volume
Magnetic roasting and leaching for upgrading Minnesota manganiferous iron ores
Crater scaling in granite for small charges
Slagging fixed-bed gasification of North Dakota lignite at pressures to 400 psig
Effects of explosive properties on free-surface displacement pulses and crater dimensions
Electrochemical recovery of high-purity nickel and cobalt from crude nickel and ferronickel
Diffusion studies of light hydrocarbon gases through coal
Electrophoretic-specific gravity separation of pyrite from coal :laboratory studies
Phase relations in the alkaline earth fluoride-yttria systems :(in three parts).
Evaluation of chemical-cartridge respirator face fit
Thermodynamic data for silver chloride and silver bromide
Investigation of a low-grade gold deposit in the Orogrande district, Idaho
Rock fragmentation by creating a thermal inclusion with dielectric heating
Prediction of coal grindability from exploration data
Radiographic test for electrodeposit porosity
Tunnel boring technology :disk cutter experiments in sedimentary and metamorphic rocks