TRAIL - Technical Report Archive and Image Library

Direct tomographic reconstruction and applications to mining

Hydrogen cyanide and smoke particle characteristics during combustion of polyurethane foams and other nitrogen-containing materials :development of a test parameter

Rayleigh wave assessment of damage and integrity of mine structures

A model of shield-strata interaction and its implications for active shield setting requirements

The effects of the Clean Air Act Amendment of 1990 on the U.S. coke and steel industry and foreign trade balance

Accessory metals content of commercial titanium mineral concentrates

Time effects on resin-grouted bolt anchorage characteristics

The Lifecycle analysis of materials competition for pipe in the construction industry

Evaluation of continuous haulage systems for computer-assisted continuous mining machines

Soil characterization and soil amendment use on coal surface mine lands :an annotated bibliography

Cobalt availability :a minerals availability appraisal

A locomotion emulator for testing mine vehicle navigation

User's manual for the U.S. Bureau of Mines in situ copper oxide mining cost model

Availability of primary nickel in market-economy countries :a minerals availability appraisal

Simplified cost models for prefeasibility mineral evaluations

Strategies for encouraging miners to stay away from unsupported roof and perform self-protective actions

Method for recovering anhydrous ZnCl₂ from aqueous solutions

Effects of turbomilling parameters on the simultaneous grinding and ferric sulfate leaching of chalcopyrite

Tin and silver recovery from Coal Creek, AK

Influence of reducing conditions on the softening-melting characteristics of taconite pellets

Applying atmospheric status equations to data collected from a sealed mine, postfire atmosphere

Pretreatment of bauxite with hydrogen

Numerical exploration of shear-fracture-related rock bursts using a strain-softening constitutive law

Effect of additives on pyrite oxidation

Use of an arc plasma system to separate gases

Determining horizontal displacement and strains due to subsidence

A mass spectrometer method for determining helium in the parts-per-million to 10-percent range

Entry stabilization utilizing rib bolting procedures

Transfer mechanics of full-column resin-grouted roof bolts

Subsidence over the end of a longwall panel

Biosorption of metal contaminants using immobilized biomass- a laboratory study

Leaching sulfidation-partitioned chalcopyrite to selectively recover copper

Method for predicting equilibrium values in the solvent extraction of nickel in ammoniacal systems

Burnout control at the Albright coal waste bank fire

Testing of a diesel-powered impact cutting head for hard-rock mining

Ultra low frequency electromagnetic fire alarm system for underground mines

Fire detection for conveyor belt entries

Self-contained self-rescuer donning proficiency at eight eastern underground coal mines

Interactions and limitations of primary dust controls for continuous miners

Dewatering of waste effluent from a tile manufacturing plant

Statistical evaluation and time series analysis of microseismicity, mining, and rock bursts in a hard-rock mine

Evaluation of solid-block and cementitious foam seals

Optical rock dust meter field evaluation

Copper extraction from aqueous solutions with liquid emulsion membranes :a preliminary laboratory study

Thermal models of a flame arrester

Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions.

High-temperature cyanide leaching of platinum-group metals from automobile catalysts--laboratory tests

Recovery of critical metals from superalloy scrap by matte smelting and hydrometallurgical processing

Flywheel-powered shuttle car

Elastic wave velocity and attenuation as used to define phases of loading and failure in coal

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