Search U.S. government technical reports digitized or harvested by TRAIL.
Stratification in water quality in inundated anthracite mines, eastern Pennsylvania
Economic evaluation of borehole and conventional mining systems in phosphate deposits
Characteristics of the OTOX model CTL oxygen sensor
Cost estimate of the Bayer process for producing alumina, based on 1982 equipment prices
Costs and effects of environmental protection controls regulating U.S. phosphate rock mining
Passive encoder for range knobs
Evaluation of alumina extraction from coal waste :composition and availability
New techniques for reducing stopping leakage
Fresnel lens blind area viewers for improved mine equipment safety and productivity
Guidelines for siting product-of-combustion fire sensors in underground mines
Rates of chlorination of aluminous resources
Minerals data source directory, January 1983
A ball-on-block impact-spalling wear test and results on several iron alloys
Novel coal-cutting bits and their wear resistances
Beneficiation of a western Mesabi nonmagnetic taconite after reduction roasting with lignite
Experimental drift linings in a block-caving operation :a field demonstration
Magnetic properties of synthetic mischmetal alloyed with cobalt, copper, iron, and magnesium
Coal-cutting forces and primary dust generation using radial gage cutters
Use of foam for dust control in minerals processing
Recovery of alumina from anorthosite by an HC1-F-gas sparging crystallization process
Evaluation of radium and toxic element leaching characteristics of Florida phosphogypsum stockpiles
Thermal and electrical ignitability of dust clouds
Factors affecting the dissolution of gypsum-bonded roof bolts
Testing modified coal-cutting bit designs for reduced energy, dust, and incendivity
Physical property data on coarse anthracite waste
Concrete crib design and field testing
Correlation of LANDSAT and air photo linears with roof control problems and geologic features
The generation, collection, and analysis of welding fumes
Synthetic fluorspar flux in the basic cupola :evaluation of operation and fluorine volatility
Kettlebottoms :their relation to mine roof and support
Copper-manganese-base silverless brazing systems
Above-the-earth field contours for a dipole buried in a homgeneous half-space
Mechanical properties of some portland cement concretes made with coal and coal waste as aggregates
Dewatering of coal-clay waste slurries from preparation plants
Slurry transport properties of graded coal waste
Removal of cyanide and metals from mineral processing waste waters
Use of a sodium silicate gel grout for plugging horizontal methane-drainage holes
Increasing the leaching rate of bulk superalloy scrap by melting with aluminum
Water infusion -an effective and economical longwall dust control
Compatibility of nickel electrolyte containing sodium sulfate with a solvent extraction system
General time-dependent solutions for radon diffusion from samples containing radium