Search U.S. government technical reports digitized or harvested by TRAIL.
Effects of structural faults on ground control in selected coal mines in southwestern Virginia
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
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
A computer program to rapidly screen explosion-proof enclosures
Predicting the failure of electric motors
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
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
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
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
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
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