TRAIL - Technical Report Archive and Image Library

A pilot program for underground mine rescue and emergency program utilizing cooperative resources

Recovery of manganese from low-grade domestic sources

Metallurgical effects of impurities in recycled copper alloys

Mercury availability--market economy countries :a minerals availability appraisal

Helium resources of the United States, 1983

Computer program for calculating of gravimetric primary standard gas mixtures

Improved stench fire warning for underground mines

Factors affecting respirable dust generation from longwall roof supports

A low-cost FSK modem network for polled communication systems

Agglomeration and heap leaching of finely ground precious-metal-bearing tailings

Inverted pyramid-shaped plugs for closing abandoned mine shafts :Galena, KS, demonstration project

Mining health and safety in-house and contract research in fiscal year 1985

Mine subsidence control :proceedings

Phosphate resource potential for borehole mining in the southeastern coastal plain

An overview of research on explosionproof enclosures

Fluorspar availability--market economy countries and China :a minerals availability appraisal

Rollover protective structures (ROPS) inspection and maintenance guide

Analysis of dredge safety hazards

Environmental issues related to mineral development in the Stillwater Complex, MT

Determining face methane-liberation patterns during longwall mining

Ground control instrumentation :a manual for the mining industry

Precious metals recovery from low-grade resources :proceedings, Bureau of Mines open industry briefing session at the National Western Mining Conference, Denver, CO, February 12, 1986

Gold availability--world :a minerals availability appraisal

Chromite deposits along the Border Ranges Fault, southern Alaska.

Cabs and canopies for underground coal mining equipment :proceedings

Chemically enhanced drilling :an annotated tabulation of published results

Molybdenum availability--market economy countries :a minerals availability appraisal

Automated temporary roof support (ATRS) systems for roof bolting machines :proceedings

Dust control in bag-filling operations

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

Overcoring equipment and techniques used in rock stress determination (an update of IC 8618)

Remedial and strata replacement techniques on longwall faces :a report on the state of the art

Improved underground rerailing apparatus

Water-jet-assisted cutting :proceedings, Bureau of Mines open industry meeting, Pittsburgh, PA, June 21, 1984

Evaluation of sensitive ground fault interrupters for coal mines

Microcomputer-based instrumentation system for monitoring ground support in a deep mine shaft

Chromite deposits along the border ranges fault, southern Alaska.

Design of bulkheads for controlling water in underground mines

Continuous radiation working-level detectors

Design and operation of four prototype fire detection systems in noncoal underground mines

Lightweight fiberglass feed leg for hand-held pneumatic percussion rock drills

Effect of turbulence on vortex-shedding air-velocity transducers

Video-supplemented task training at the United States Steel Corp. Minntac Mine, Mt. Iron, MN

Production of high-purity gold from zinc precipitates and steel wool cathodes by hydrometallurgical refining

Improved fire protection for underground fuel storage and fuel transfer areas

Laboratory processing and characterization of waste materials from manganese nodules

Field evaluations of magnesium oxide in deep-bed filtration

Minimizing lead contamination in copper produced by solvent extraction-electrowinning

Pull and creep tests on gypsum-bonded roof bolts

Adding steam to control dust in mineral processing

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