Search U.S. government technical reports digitized or harvested by TRAIL.
Laboratory analysis of pozzolan (fly ash) concrete
Protection factors of the airstream helmet
Subsidence over four room-and-pillar sections in southwestern Pennsylvania
Magnetic properties of alloys containing mischmetal, cobalt, copper, iron, and magnesium
Recovery of principal metal values from electrolytic zinc waste
Hydrogen chloride sparging crystallization of aluminum chloride hexahydrate
Recycling of waste magnesite-chrome refractories from copper smelting furnaces
Guidelines for selecting seismic detectors for high-resolution applications
Water jet perforation :a new method for completing and stimulating in situ leaching wells
Recovery of copper and associated precious metals from electronic scrap
Evaluation of the seismic system for locating trapped miners
Pyrometallurgical recovery of chromium from scrap metals :laboratory studies
A pyrometallurgical method for processing Ni-Cd scrap batteries
Characterization and beneficiation of phosphate-bearing rocks from northern Michigan
Recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington
Automatic and continuous transducer drift compensator for endpoint detection systems
Reducing dust at longwall shearers by confining the dust cloud to the face
New twin scrubber installation for continuous mining machines
Convergence measurements for squeeze monitoring :instrumentation and results
The water spray cooler :an update
Minerals and the Tokyo Round of the MTN
State regulations pertaining to the use of internal combustion engines underground
Preventing large-battery explosions
Monitoring ground movements near caving stopes :methods and measurements
Extracting uranium from carbonaceous ores
Beneficiation of potential platinum resources from southeastern Alaska
Recovery of aluminum hydroxy sulfate from aluminum sulfate solution by high-temperature hydrolysis
Suppression of coal dust explosion by water barrier in a conveyor belt entry
Low pressure leaching of Duluth complex matte
Alternative methods for copper recovery from dump leach liquors
Preparation of platinum-palladium flotation concentrate from Stillwater complex ore
Electrochemical determination of Gibbs energies of formation of cobalt and nickel sulfides
Airblast instrumentation and measurement techniques for surface mine blasting
Mineral industries of Latin America
Control of water pollution from surface mining operations
Comminution by the Attrition Grinding Process
Beneficiation of a hematitic taconite by reduction roasting, magnetic separation, and flotation
Dolomite refractories and their potential as substitutes for imported chromite
Lake Lynn Laboratory--construction, physical description, and capability
The Florida phosphate industry's technological and environmental problems :a review
Predicted characteristics of waste materials from the processing of manganese nodules
Mineralogical and elemental description of Pacific manganese nodules
Vibration qualification of electronic instrumentation for underground coal mining machinery
An evaluation of three wet dust control techniques for face drills
Improvements in heap leaching to recover silver and gold from low-grade resources
Large-scale dewatering of phosphatic clay waste from central Florida