TRAIL - Technical Report Archive and Image Library

Control of diesel particulate matter in underground coal mines

Effects of Al additions on sulfidation resistance of some Fe-Cr-Ni alloys

Improved method for determination of helium-4 in helium-3 by mass spectrometry

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

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

Review of recent research on organizational and behavioral factors associated with mine safety

Framework for autonomous navigation of a continuous mining machine :face navigation

Strontium--uses, supply, and technology

A personal miner's carbon monoxide alarm

Mine ventilation computer code for personal computers

Material handling devices for underground mines

Reducing miner absenteeism

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

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