Search U.S. government technical reports digitized or harvested by TRAIL.
Methane emissions from four working places in the Beckley mine, Raleigh County, W. Va.
GDIST: a computer code for analysis of statistical distributions of physical data
Techniques for applying belt dressing
Polymeric sealant used to stop shale degradation in coal mines
Continuous recorder to monitor mine roof displacement
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
Respirable dust survey of an underground oil shale mine and associated milling facility
Quenching methane-air ignitions with water sprays
Mineral industry in early America
Processing gold ores using heap leach-carbon adsorption methods
Multivariate analysis techniques with application in mining
Guide for the construction of driven-rod ground beds
Spontaneous oxidation and combustion of sulfide ores in underground mines :a literature survey
Occurrence and recovery of certain minor metals in the smelting-refining of copper
Well construction information for in situ uranium leaching
Coal recovery from underground bituminous coal mines in the United States, by mining method
Economic evaluation of a leach-electrolysis process for recovering lead from galena concentrate
Design of surface mine haulage roads :a manual
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