TRAIL - Technical Report Archive and Image Library

Position and heading determination of a continuous mining machine using an angular position-sensing system

A personal miner's carbon monoxide alarm

Mine ventilation computer code for personal computers

Material handling devices for underground mines

A computer program to rapidly screen explosion-proof enclosures

Predicting the failure of electric motors

In situ leach mining :proceedings: Bureau of Mines Technology Transfer Seminars, Phoenix, AZ, April 4 and Salt Lake City, UT, April 6, 1989

Surface testing and evaluation of the multiple-unit continuous haulage system

Study of zeta potential for material particles in chemical additive solutions

A method for the calibration of class 2 and class 4 standards of mass

Primary gas toxicities and smoke particle characteristics during a two-stage combustion of mine conveyor belts :development of a test parameter

Alumina recovery from copper dump leaching liquors using a supported liquid membrane

Noise test report :handheld pneumatic rotary drill

Well point dewatering of phosphatic clays

Instrumentation and modeling of the north 140 section of Magmont Mine, Bixby, MO

Basic parameters of conveyor belt cleaning

Acid sulfation of alunite

In situ measurements and preliminary design analysis for deep mine shafts in highly stressed rock

Capillary wetting response of coal after exposure to ambient air atmosphere

Performance of a novel bump control pillar extracting technique during room-and-pillar retreat coal mining

Surface fracture development over longwall panels in south-central West Virginia

Fire and explosion hazards of oil shale

Fe-Ni-Cr alloys for coatings and electroforms

Computer simulation of face ventilation to dilute high methane concentrations developed by blasting oil shale

Respirable dust sources and controls on continuous auger mining sections

Microseismic data analysis of failure occurrence in a deep, western U.S. coal mine :a case study

Backfill properties of total tailings

Pressure monitoring and observed effects of mining at the Oak Grove, AL, coalbed degasification pattern

Calamity Hollow Mine Fire Project (in five parts).

Structural uses and placement techniques for lightweight concrete in underground mining

Effectiveness of organic binders for iron ore pelletization

Tungsten and gold recovery from Alaskan scheelite-bearing ores

Safety evaluations of longwall roof supports

Analyses of natural gases, 1988

Computer-assisted continuous coal mining system-research program overview

Advanced guidelines for performance testing of two-legged longwall shields

Bureau of Mines geotechnical centrifuge research--a review

Practical considerations in longwall face and gate road support selection and utilization

Mechanical and physical properties of particulate composites in the system titanium nitride-alumina-aluminum nitride

Effect of energy and impact direction on coal fragmentation

Respirable dust generation :comparison of continuous and conventional mining methods when excavating rock in coal mines

Zero-surface-charge-controlled drilling for enhanced penetration and extended bit life

Evaluation of high-pressure front-mounted water jets for frictional-ignition suppression

Primary gas toxicities and smoke particle characteristics during combustion of mine brattices :development of a test parameter

Evaluation of water-jet-assisted cutting capability on longwall shearers

State mineral summaries.

Crushed stone and sand and gravel production by state districts :1985-1986

Sources and characteristics of quartz dust in coal mines

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