TRAIL - Technical Report Archive and Image Library

Separation and recovery of metals from zinc-treated superalloy scrap

Rotary drilling techniques used in the Beckley coalbed

Field evaluation of three longwall pillar systems in a Kentucky coal mine

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

A simplex-method-based algorithm for determining the source location of microseismic events

Effects of structural faults on ground control in selected coal mines in southwestern Virginia

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

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

Mineral issues--1989 :competitiveness and regulation.

Structural stability and oxidation resistance of substitute alloys with various Cr and Mn levels

Supercritical CO₂ solubility of TiCl₄

Two-leg longwall shield mechanics

Foundation response to subsidence-induced ground movements :a case study

Intercomparison of North American radon progeny measurement methods and equipment

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

A review of water-jet-assisted rock cutting

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