TRAIL - Technical Report Archive and Image Library

Rotary drilling holes in coalbeds for degasification

Tilt precursors in rock before failure :a laboratory investigation

Electrowinning of copper from chloride solutions

Preventing formation of copper alloys of tin, antimony, and arsenic on steel surfaces during reheating to reduce hot shortness

Characterization studies of Florida phosphate slimes

Selected geologic factors affecting mining of the Pittsburgh coalbed

Elastic-plastic stability analysis of mine-waste embankments

Copper-nickel mineralization in a drill core from the Duluth Complex of northern Minnesota

Dewatering electrochemical machining sludge

Recovery of mercury from cinnabar ores by electrooxidation :extraction plant amenability tests

Beneficiation of Alabama clays

Depth and producing rate classification of petroleum reservoirs in the United States, 1971

Characterizing combustible portions of urban refuse for potential use as fuel

A Fortran routine reorganizer

The reserve base of coal for underground mining in the Western United States

Analyses of natural gases, 1974

Detection and delineation of faults by surface resistivity measurements:Canada mine, Caribou County, Idaho

Blasting tests in a porphyry copper deposit in preparartion for in situ extraction

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

Sulfur content of crude oils

Geothermal energy: economic potential of three sites in Alaska

Implications of the water pollution control act of 1972 for the mineral resource industry, a survey

Ground support systems in block-cave mining :a survey

Automatic fire protection systems for large haulage vehicles :prototype development and in-mine testing

Noise control :proceedings : Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., January 22, 1975

Main line natural gas sales to industrial users

Mine power distribution :proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., March 19, 1975

Basic estimated capital investment and operating costs for underground bituminous coal mines :mines with annual production of 1.03 to 3.09 million tons from a 48-inch coalbed : revision of Information circular 8641

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

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