TRAIL - Technical Report Archive and Image Library

Measurement of dielectric properties of minerals at microwave frequencies

Evaluation of bearing plates installed on full-column resin-grouted bolts

Producing chlorination-grade feedstock from domestic ilmenite--laboratory and pilot plant studies

In situ FT-IR studies of reactions of activated sphalerite with aqueous solutions of potassium ethylxanthate

High-temperature relative enthalpies and related thermodynamic properties of Na₂Ti₆O₁₃

Shield mechanics and resultant load vector studies

Correlating abrasive wear to alloy additions in low-alloy steels

High-temperature relative enthalpies of V₂0₅

Calcium sulfide precipitation of mercury from gold-silver cyanide-leach slurries

A method for locating abandoned mines

Recent developments in spray cooling of deep mines

An infrared examination of ion-exchanged montmorillonite treated with polyethylene oxide

Results of direct-method determination of the gas content of U.S. coalbeds

Tin availability-market economy countries :a minerals availability program appraisal

Short-delay blasting in underground coal mines

Cutter roof failure :an overview of the causes and methods for control

Evaluating ventilation parameters of three coal mine gobs

Surface testing and evaluation of the monorail bridge conveyor system

Triboelectric effects on polyethylene methane drainage pipelines

Direct measurement of longwall strata behavior :a case study

Waveform analysis of electric furnace arcs as a diagnostic tool

Solubility of anhydrous AlCl₃ in TiCl₄ and VCl₄

Large-scale dewatering of phosphatic clay waste from Polk County, FL

Investigation of similarities between methane drainage potential of Utah's Sunnyside Coalbed and eastern U.S. coalbeds

Thickening fine coal refuse slurry for rapid dewatering and enhanced safety

Hydrometallurgical process for producing lead and elemental sulfur from galena concentrates

Particle size distribution of quartz and other respirable dust particles collected at metal mines, nonmetal mines, and processing plants

Steam-induced volatilization of silica from refractories

Strata interactions in multiple-seam mining--two case studies in Pennsylvania

Calcium chloride-oxygen leaching and metals recovery from an arsenical copper-cobalt concentrate

An improved analyzer for determining helium-4 in parts-per-billion range

Company Towns Versus Company Camps in Developing Alaska's Mineral Resources

Tin Reconnaissance of the Kanuti and Hodzana Rivers Uplands, Central Alaska

Impact of background sources on dust exposure of bag machine operator

Mineral investigation of the Baboquivari Peak Wilderness study area (AZ-020-203B), Pima County, Arizona

Utilization and Stabilization of Mineral Wastes

Methane Control Research: Summary of Results, 1964-80

Flake and high crystalline graphite availability--market economy countries :a minerals availability appraisal

Remote sensing of mine waste

Corrosion of friction rock stabilizer steels in underground coal mine waters

Coal mine bumps :five case studies in the eastern United States

The impact of advanced materials on conventional nonfuel mineral markets :selected forecasts for 1990-2000

Surface testing and evaluation of hopper-feeder-bolter

Iron ore availability--market economy countries :a minerals availability appraisal

Domestic secondary lead industry :production and regulatory compliance costs

Performance evaluation of two light-scattering dust monitors

Water-jet-assisted drag bit cutting in medium-strength rock

Helium resources of the United States, 1985

Critical-load studies of a shield support

Protective structures for low-coal shuttle car operator

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