TRAIL - Technical Report Archive and Image Library

Effect of end conditions on determining compressive strength of rock samples

Investigation of operating variables in the attrition grinding process

Electrowinning aluminum from aluminum chloride :operation of a two-compartment cell

Reaction of coal with steam at high pressures

Field investigation and testing of a Minnesota clay resource for iron ore pellet bonding

Comparison of trip lights and reflectors

Laboratory studies on the use of sodium sulfate for removing copper from molten iron

Large-scale studies of gas detonations

Determination of incombustible content of mine dust by nuclear method

Thermodynamic properties of helium, nitrogen, and helium-nitrogen mixtures from 240⁰ to 950⁰ R for pressures between 14.696 and 3,000 psia

Colorimetric method for arsenic in coal

Magnetic separation of pyrite from coals

Chlorine dissolution of several ferroalloys

Preparation characteristics of coal from Clarion County, Pa.

Ultrafine grinding of anthracite

Heats of formation of four anhydrous sodium borates

Copper removal from steel scrap by thermal treatment :feasibility study

Processing characteristics of crude oils from the Williston Basin in Montana, North Dakota, and South Dakota

Hydrogenation of Coal and Tar

Tunneling: Recommended Safety Rules

Experiments on the flow of mercury in porous media in a transverse magnetic field

Sampling and coking studies of several coalbeds in the Kokolik River, Kukpowruk River, and Cape Beaufort areas of arctic northwestern Alaska

Materials handling research :hydraulic transportation of coarse solids

Pyrite size distribution and coal-pyrite particle association in steam coals :correlation with pyrite removal by float-sink methods

Use of antifissurants in making better coke from Sunnyside coal from Utah

Improving returns from mine products through use of operations research techniques

Injury experience in coal mining, 1966 :analysis of mine safety factors, related employment, and production data

Waste disposal costs of a Florida phosphate operation

Impact of petroleum development in the Gulf of Mexico

Waste disposal costs at two coal mines in Kentucky and Alabama

Helium symposia proceedings in 1968, a hundred years of helium :Helium Applications Symposium, Washington, D.C., October 23-24, 1968 [and] Helium Centennial Symposium, Atlantic City, N.J., September 11, 1968

Dust control in mining, tunneling, and quarrying in the United States, 1961 through 1967

Helium :bibliography of technical and scientific literature, 1962, including papers on alpha-particles

Production of metallic concentrates from high-silica iron ores

Relative effects of grouped physical variables on the revenue-cost system of a lead-zinc mining operation

Preparation of rare-earth and yttrium metals by electrodeposition and vacuum distillation of alloys

A systems approach to recovering gold resources in Jefferson County, Mont. :introductory review

Destructive distillation of scrap tires

Methods for producing alumina from clay :an evaluation of two lime sinter processes

Laboratory oil-recovery tests with ultrasonically formed emulsions

Mass spectrometry :residual gas analysis during vacuum melting

Chemical reclaiming of superalloy scrap

High-purity zinc and tin by amalgam electrorefining

Effect of cetane improvers in the fuel on nitrogen oxides concentration in diesel exhaust gas

Vapor pressures of metal halides :the CdCl₂-SnCl₂ CdCl₂-ZnCl₂, PbCl₂-SnCl₂, and PbCl₂-ZnCl₂ binary systems / by

Radiotracer procedures for mechanistic studies in air pollution research

Extraction of copper from oxides using iron and steel scrap :principles and application to pure systems

Effect of increasing end constraint on the compressive strength of model rock pillars

Bureau of Mines coal-fired gas turbine research project :test of combustor and ash separators for open-cycle plant

Magnetic separation of minerals of low susceptibility and small particle size

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