Browse TRAIL Inventories

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) :

An economic evaluation of a process to separate raw urban refuse into its metal, mineral, and energy components

Noise dosimeter performance :second evaluation

Methane emission from U.S. coal mines in 1975 :a survey : a supplement to Information circulars 8558 and 8659

Safety recommendations for ammonium nitrate-based blasting agents,revision of Information Circular 8179

Liquid hydrocarbon production in the United States, 1946-75 and 1980 projected, highlighting enhanced recovery

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

Analyses of tipple and delivered samples of coalcollected during the period July 1975 through September 1976

Chemical flame inhibition using molecular beam mass spectrometry :an examination of the partial equilibration hypothesis and radical recombination in 1/20 atm methane flames

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

Use of gas diffusion membrane electodes to investigate coordination species in the sulfur dioxide system

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

Design requirements for uranium ion exchange from ammonium bicarbonate solutions in a fluidized system

Copper and silver recovery from a sulfide concentrate by ferrous chloride-oxygen leaching


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