Search U.S. government technical reports digitized or harvested by TRAIL.
Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions.
Elastic wave velocity and attenuation as used to define phases of loading and failure in coal
Flame-powered trigger device for activating explosion suppression barrier
Application of petrographic techniques to assess in situ leach mining potential
Wire ropes used for hoisting in U.S. mines
Vapor-phase reactions to prepare titanium nitride powder
Performance of RETIMET metal foam vents on explosion-proof enclosures
Rock mechanics investigations at the Lucky Friday Mine.
Recovery of manganese from steel plant slag by carbamate leaching
Hybrid fiber-optic-electrochemical carbon monoxide monitor
Jet fan ventilation in very deep cuts :a preliminary analysis
Predicting materials' ease of combustion :development of a simple test method
Materials of construction for high-salinity geothermal brines
Teleoperation of a highwall mining system
Calculation of vertical stress exerted by topographic features
A method to evaluate the performance of coal fire extinguishants
Production of titanium dioxide pigment from perovskite concentrates, acid sulfation method
Accuracy and precision of microseismic event locations in rock burst research studies
Remote fiber-optic methane monitor
Response of underground fire sensors :an evaluation
Cause of floor self-heatings in an underground coal mine
Canopy and base load distribution on a longwall shield
Mine fire diagnostics applied to the Carbondale, PA, mine fire site
Delineation of fractures in igneous rock masses using common offset radar reflection
Large-scale strata response to longwall mining :a case study
Development and testing of a computer-assisted remote-control system for the compact loader-trammer
Rock mechanics investigations at the Lucky Friday Mine.
Dewatering of Alaska placer effluent using PEO
Role of oxygen transfer in acid mine drainage treatment
BOMCRATR :a curved ray tomographic computer program for geophysical applications
Evaluation of structures for roof-fall areas
Frictional ignition of natural gas-air mixtures by alternative coal-cutter bit shank materials
Dust considerations when using belt entry air to ventilate work areas
Determining the source of longwall gob gas :Lower Kittanning Coalbed, Cambria County, PA
Casting P-900 armorplate by the expendable pattern casting process
Design of an experimental electric arc furnace
Bending fatigue test 1 on a 2-inch 6x25 fiber core wire rope
Effects of horizontal stress related to stream valleys on the stability of coal mine openings
Influence of electrode material on spark ignition probability
Gallium and germanium recovery from domestic sources
Apparatus for measuring diesel tailpipe emissions in underground mines
Relationship of coal seam parameters and airborne respirable dust at longwalls