Search U.S. government technical reports digitized or harvested by TRAIL.
Coal recovery from bituminous coal surface mines in the eastern United States :a survey
Results of research to develop guidelines for mining near surface and underground bodies of water
GDIST: a computer code for analysis of statistical distributions of physical data
Hydraulic stimulation of a surface borehole for gob degasification
Control of pneumatic chipping and grinding noise
Dry-process-sprayed coal mine sealants,a progress report
Studies of incipient combustion and its detection
Iterative approximation techniques for microseismic source location
Coal surface mining reclamation costs in the Western United States
Mechanized longwall mining :a review emphasizing foreign technology
Flotation study of refractory coals
Infrared spectral radiances and explosion properties of inhibited methane-air flames
Quenching methane-air ignitions with water sprays
Respirable dust survey of an underground oil shale mine and associated milling facility
Borehole logging with neutron activation :a laboratory assessment : final report
Safety analysis of United States shaft-sinking operations
Smelting cement copper in an electric-arc furnace
Humidity :a cyclic effect in coal mine roof stability
Extracting uranium from low-grade ore from the Coso Mountains, Calif.
Low-temperature heat capacities and enthalpy of formation of copper difluoride (CuF₂)
Effect of duct fire on the ventilation air velocity
Jet fan effectiveness as measured with SF₆ tracer gas
Coal mine floor heave in the Beckley coalbed,an analysis
Methane accumulations in coal mine roof cavities
Effects of time between exposure and support on mine roof stability, Bear Coal Mine, Somerset, Colo.
Linear polarization measurements at high temperatures in hypersaline geothermal brines
Direct substitution of sulfur for asphalt in paving materials
Desulfurization of various midwestern coals by flotation
Dry-process-sprayed coal mine sealants,an updated progress report
Dehydrating magnesium chloride by double-salt decomposition
Aqueous electrolysis of lead chloride
Methane emissions from gassy coals in storage silos
Carbon-in-pulp silver adsorption from cyanide leach slurries of a silver ore
Foam stimulation to enhance production from degasification wells in the Pittsburgh coalbed
Prediction of failures in mines -an overview
Gas-sampling capability of vacutainers
Copper and silver recovery from a sulfide concentrate by ferrous chloride-oxygen leaching
Beneficiation of western Mesabi range oxidized taconite
Methane drainage study in the Sunnyside coalbed, Utah
Sulfuric acid extraction technique for recovering zinc and sulfur from sphalerite
Cobalt and nickel recovery from Missouri lead belt chalcopyrite concentrates
Sources of metals in the combustible fraction of municipal solid waste
Experimental studies on the origin and accumulation of coalbed gas
Radon daughter mixture distributions in uranium mine atmospheres