Search U.S. government technical reports digitized or harvested by TRAIL.
Early detection of insulation failure in electric motors
Self-contained self-rescuer field evaluation :results from 1982-90
The availability of primary copper in market economy countries :a minerals availability appraisal
Underground test results of a laser-based tram control system for a continuous miner
Coal resource recoverability :a methodology
Coal reserves of the Matewan quadrangle, Kentucky :a coal recoverability study
Roof control strategies for underground coal mines
In situ stress measurements near the Ross shaft pillar, Homestake Mine, South Dakota
Magnetic susceptibility of minerals in high magnetic fields
Characteristics of ultrasonic ranging sensors in an underground environment
A simple and accurate method for calculating viscosity of gaseous mixtures
Gob and gate road reaction to longwall mining in bump-prone strata
Effect of pressure on leakage of automatic sprinklers
Vibration testing of off-road vehicle seats
Longwall retreat of gate road pillars
Estimation of shear strength using fractals as a measure of rock fracture roughness
Rare-earth occurrences in the Pea Ridge tailings
The Effect of ventilation on the water spray pattern of automatic sprinkler heads
A method to eliminate explosion hazards in auger highwall mining
Hexagonal phase transformation in the engineered scavenger compound lithium titanate
Neutralization of acidic discharges from abandoned underground coal mines by alkaline injection
Transverse-mounted end-cab design for low-coal shuttle cars
Field evaluation of cable bolt supports, Homestake Mine, Lead, SD
Strength characteristics and air leakage determinations for alternative mine seal designs
Impact of air velocity of the development and detection of small coal fires
Behavior of simulated longwall gob material
Biosorption of metal contaminants using immobilized biomass :field studies
Improved 6.8-L furnace for measuring the autoignition temperatures of dust clouds
Geologic investigations near an underhand cut-and-fill stope, Lucky Friday Mine, Mullan, ID
Use of oxygen-enriched gas for the oxidation of acid and fluxed taconite pellets
Effect of ultralow frequency signaling on blasting array current
Predicting flow characteristics of a lixiviant in a fractured crystalline rock mass
Innovative method for casting steel armorplate
Thermal modeling of portable power cables
Wire rope research :analysis of bending fatigue in a 2-inch IWRC wire rope
Hydrometallurgical production of copper from flotation concentrates
Evaluation of catalyzed diesel particulate filters used in an underground metal mine
Recycling of neodymium iron boron magnet scrap