TRAIL - Technical Report Archive and Image Library

Short-delay blasting in underground coal mines

Domestic consumption trends, 1972-82, and forecasts to 1993 for 12 major metals

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

Availability of elemental sulfur and pyrite concentrate--market economy countries :a minerals availability appraisal

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

Mineral industries of the Middle East

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

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

Analytical methods for determining products from thermal decomposition of aluminum nitrate nonahydrate

Bureau of Mines cost estimating system handbook.

Effects of turbomilling parameters on the comminution of [alpha]-SiC

Shield-loading studies at an eastern Appalachian minesite

Fumes from shielded metal arc welding electrodes

Recovery of phosphate from Florida phosphate slimes

The effect of different natural flake graphite additions on the high-temperature properties of a dolomite-carbon refractory

Mathematical model of absorption of carbon dioxide by rescue breathing apparatus scrubber

Coreduction of TiCl₄, AlCl₃, and VCl₄ to produce titanium alloy sponge

Reduction in frictional ignition due to conical coal-cutting bits

Linear load-transfer mechanics of full grouted roof bolts

Size scaling of gas explosions :Bruceton Experimental Mine versus the Lake Lynn Mine

Recovery of mercury from concentrates by cupric chloride leaching and aqueous electrolysis

Rigid-body and elastic solutions to shield mechanics

Computer modeling of the effect of mine-fire-induced ventilation disturbances on stench fire warning system performance

Prediction of surface deformations over longwall panels in the Northern Appalachian coalfield

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