Search U.S. government technical reports digitized or harvested by TRAIL.
Siting potential for coal gasification plants in the United States
Design guide for metal and nonmetal tailings disposal
The U.S. foundry coke industry
Assaying ores, concentrates, and bullion :revision of Information Circular 7695
Underground mine communications(in four parts) :
Moving longwall shield supports at the York Canyon mine, Raton, N. Mex.
Comparative shortwall and room-and-pillar mining costs
Anthracite in the Narragansett Basin of Rhode Island and Massachusetts
Underground mine communications(in four parts) :
Underground mine communications(in four parts) :
Noise dosimeter performance :second evaluation
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
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
Quenching methane-air ignitions with water sprays
Respirable dust survey of an underground oil shale mine and associated milling facility
Mineral industry in early America
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