TRAIL - Technical Report Archive and Image Library

Long-distance coal transport :unit trains or slurry pipelines

Reduction of zinc sulfide with iron

Fluosilicic acid acidulation of phosphate rock

Laboratory studies of yielding rock bolts

Refining molten iron by sulfide-forming slags and chlorination :removal of copper, tin, and other impuritites

Polymeric materials for sealing radon gas into the walls of uranium mines

Electrolytic preparation of titanium and zirconium diborides from their oxides and mineral concentrates

Replacing brattice cloth at coal faces with air curtains and diffuser fans,a preliminary study

Methods for sampling noncombustible content of coal mine dust

Evaluation of an 8-foot-diameter flexible liner installation in the Burgin Mine, Eureka, Utah

Capital and labor requirements for iron ore mining and beneficiating

Continuous monitoring system for mine gas concentrations using tube bundles

Composition of lead sinter

Thermomechanical method for secondary breakage of hard rocks

Using oxygen to reactivate a nearly dormant copper sulfide leach

Isotopic purification of helium by differential distillation below the lambda-point

Low-temperature heat capacities and enthalpy of formation of copper oxysulfate

Dust suppression with water sprays during continuous coal mining operations

Decomposition reactions of nitrogen oxides in direct current glow discharges

Improved method to predict multiphase waterflood performance for constant rates or pressures

Thermodynamic data for Mg(OH)₂ (Brucite)

Recovering metal from nonmagnetic auto-shredder reject

Hydraulic sandfill in deep metal mines,

Wet chemical methods for analyzing taconite, iron ore, and metallurgical products,

Pumped-slurry backfilling of inaccessible mine workings for subsidence control

The Florida phosphate slimes problem:a review and a bibliography,

Methods and costs of dust control in stone crushing operations.

Impact of changing technology on the demand for metallurgical coal and coke produced in the United States to 1985

Construction of an interface between a minicomputer and an X, Y digitizer,

FRACTAN: a computer code for analysis of clusters defined on the unit hemisphere,

Comparative asbestos mining and processing costs - Alaska versus Yukon Territory

Basic estimated capital investment and operating costs for underground bituminous coal mines :mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed

ARPA-Bureau of Mines rock mechanics and rapid excavation program :a research project summary

Strip-mining techniques to minimize environmental damage in the upper Missouri River Basin states

Proceedings of the Symposium on the Use of Diesel-powered Equipment in Underground Mining, Pittsburgh, Pa., January 30-31, 1973

The reserve base of U.S. coals by sulfur content :(in two parts) 1. The Eastern States

Limited field tests in electrokinetic densification of mill tailings

Properties of Utah tar sands--south Seep Ridge area, P.R. Spring deposit

Analyses of tipple and delivered samples of coal:collected during fiscal year 1974

Thermodynamic properties of the Al-Ni system

Chlorination kinetics of selected metal sulfides

Engineering properties of fiber-reinforced and polymer-impregnated shotcrete

Experiments in treating zinc-lead dusts from iron foundries

Use of Vacutainers for collection of mine atmosphere samples

Double roast-leach-electrowinning process for chalcopyrite concentrates

Application of large-hole burn cut in room-and-pillar mining

Electrophoretic mobilities and cation exchange capacities of Florida phosphate slimes

Optimum automotive use of the combustion characteristics of gas from coal-low pollution considerations

Evaluation of steel made with ferrous fractions from urban refuse

Properties of Utah tar sands :Asphalt Wash Area, P.R. Spring deposit

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