TRAIL - Technical Report Archive and Image Library

Mergers in the nonfuel minerals industry :trends and motives

Selected pneumatic gunites for use in underground mining :a comparative engineering analysis

In-mine installation of passive water barriers

Corrosion of friction rock stabilizers in selected uranium and copper mine waters

Effect of clay stabilizers on permeability of clayey ore

Potash recovery from process and waste brines by solar evaporation and flotation

Field measurement of rock displacement and support pressure at 5,955-ft level during sinking of deep circular shaft in northern Idaho

Thermodynamic properties of hedenbergite, a complex silicate of Ca, Fe, Mn, and Mg

Effects of repeated blasting on a wood-frame house

Scale inhibitors and slow-release polymers for mine water treatment systems

The Effect of water vapor and water droplets on the RAM-1 :(preliminary results)

A strong acid-weak acid method for producing aluminum chloride hexahydrate from kaolinitic clay

Calcium sulfide precipitation of mercury during cyanide leaching of gold ores

Thermodynamic properties of aegirine

Minor-element interactions in copper matte smelting

Corrosion rates of grinding media in mill water

Alumina miniplant operations :separation of aluminum chloride liquor from leach residue by horizontal belt filtration

Airblast and ground vibration generation and propagation from contour mine blasting

Magnesia refractories produced from chemically modified periclase grains and Mg(OH)₂ slurries

Control of acid drainage from coal refuse using anionic surfactants

High-temperature properties of alumina refractory brick impregnated with oxide and salt solutions

Preventing chromium leaching from waste slag exposed to simulated acid precipitation :a laboratory study

Electrolytic stripping of tin in an acid fluoborate electrolyte

Simulation of methane flows in noncoal mines

Corrosion resistance of selected ceramic materials to nitric acid

Purification of zirconyl sulfate by solvent extraction

Diesels in underground mining :a review and an evaluation of an air quality monitoring methodology

Economic evaluation of directional drilling for methane drainage from coalbeds

Performance comparison of oxygen self-rescuers

Electrochemical determination of thermodynamic properties of bismuth sesquioxide and stannic oxide

Rheology of ion-exchanged montmorillonite clays

Apparent earth conductivity over coal mines as estimated from through-the-earth electromagnetic transmission tests

Mine ground control :proceedings : Bureau of Mines Technology Transfer Seminars, Pittsburgh, PA, December 6-7, 1983, and Denver, CO, December 8-9, 1983

Methane emissions from U.S. coal mines in 1980

Pickling of stainless steels--a review

Task training in the iron mining industry :two approaches

Analyses of natural gases, 1983

Fabrication manual for a reduced-noise auger miner cutting head

Centrifugally cast glass-ceramic pipe from mining and processing wastes

Sulfapave :densifiable sulfur concrete materials for corrosive environments

High-temperature relative enthalpies of CuBr

Delayed blasting tests to improve highwall stability :a progress report

Effect of drilling fluids on permeability of uranium sandstone

Evaluation of a gas-assisted cupola

Corrosion resistance of nitrided low-alloy steels

Ti-6A1-4V alloy castings prepared in zircon sand molds and the effect of hot isostatic pressing

An analyzer for determining helium-4 in the parts-per-billion range

Investigation of methods for producing reactor-grade zirconium oxide from a zirconium-bearing chloride-sulfate strip liquor solution

Refractories for dry ash coal gasifiers

Estimating horizontal drain design by the finite-element and finite-difference methods

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