TRAIL - Technical Report Archive and Image Library

Spectral characteristics of grinding sparks used for identification of scrap metals

Ground control study of a mechanized longwall coal operation in West Virginia

Recovering zinc-lead sulfide from a geothermal brine

Compaction criteria for metal and nonmetal tailings

Wear and corrosion of 12 alloys during laboratory milling of phosphate rock in phosphoric acid waste water

Separation of cast and wrought aluminum alloys by thermomechanical processing

Ground-penetrating radar for strata control

Fire tests of five-gallon containers used for storage in underground coal mines

Flocculation of metal oxide and hydroxide minerals with cross-linked starches containing chelating groups

Application of cast-on ferrochrome-based hard surfacings to polystyrene pattern castings

Electrolytic reduction of cobalt in ammoniacal leach solutions

Corrosion of roof bolt steels in Missouri lead and iron mine waters

Subsidence information for underground mines :literature assessment and annotated bibliography

Analyses of natural gases, 1984

Field measurement and finite-element modeling of circular and rectangular shaft shapes in the Coeur d'Alene mining district, Idaho

Hydrometallurgical treatment of electronic scrap to recover gold and silver

Comparative laboratory evaluation of resin-grouted roof bolt elements

Recognizing signs of excessive loading in underground coal mines

Airflow evaluations of four-flow-controlled personal sampling pumps

Volume expansion of acidproof brick exposed to 20 wt pct HC1 at 90⁰ C

Recovery of zircon from investment casting molds

Field trials of a portable microseismic processor recorder

Bulk mineralogy and geochemistry of selected Alaskan chromian spinel samples

Assessment of phosphogypsum as a constituent of aggregate material

Cobalt recovery from copper leach solutions

Device for in situ measurement of coal-cutting forces

Feasibility of water diversion and overburden dewatering

Overlap probability for short-period-delay detonators used in underground coal mining

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

Earth grounding beds--design and evaluation :proceedings, Bureau of Mines Technology Transfer Seminars, Pittsburgh, PA, June 25, 1985, and Reno, NV, June 27, 1985

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

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