TRAIL - Technical Report Archive and Image Library

Tungsten and dispersion-strengthened tungsten made by freeze drying

Heat contents of some Green River oil shales

Properties of cast columbium carbide-carbon alloys

Recovering elemental sulfur from nonferrous minerals :ferric chloride leaching of chalcopyrite concentrate

Recovery of uranium from natural mine waters by countercurrent ion exchange

Autoclave and ambient pressure leaching of Lake Superior manganiferous ores

Distribution of sulfide and oxide copper in copper mill tailings

Statistical analysis of gold assay and other trace-element data

Compositional variations of the organic material of Green River oil shale--Colorado no. 1 core

Electrolytic preparation of vanadium from V₂C-type carbide

Continuous heavy liquid concentration of kyanite

Mathematical simulation of a gas-solid reaction in a packed bed :reaction of CO₂ with coke

Processing manganiferous sea nodules

Microseismic and displacement investigations in an unstable slope

Prediction of oil- and gas-bearing rock fractures from surface structural features

Evaluation of the Madison limestone in the Williston Basin from well logs and cores

Effect of organic additives on impregnated diamond drilling

Statistical analysis of assay data from the Round Mountain Silver Prospect, Custer County, Colo.

Removing sulfur dioxide by carbon monoxide reduction

Electrotransport of impurities in rare-earth metals, using a pulsed current

Extraction of copper and nickel from the Duluth Gabbro complex by selective high-temperature sulfatization

A graphical method of removing outlier values from analytical data

The free energy of formation of indium oxide by EMF measurements

Production decline curves using data from California oilfields

Preliminary survey of polymer-impregnated rock

Reactivities of automotive emissions from fuels of varied front-end composition

Increasing oil production from the Venango Second sand :a reappraisal of two in situ combustion tests

Recovery of phosphates and metals from waste phosphate sludge by reduction-sinter processes

Diesel emissions reinventoried

Reactivities of exhaust aldehydes

Differential extraction of rare-earth elements in quaternary ammonium compound-chelating agent systems

A new internal oxidation process for strengthening tungsten

Hydrolyzed metal ions as pyrite depressants in coal flotation :a laboratory study

Spatial and temporal distributions of Halon 1301 from a commercial extinguisher

Mathematical simulation of historic gas distribution by diffusion in an oil reservoir

Sampling gold ore by diamond-drilling in the Homestake Mine, Lead, S. Dak.

Technique of measuring initial deformation around an opening :analysis of two raise-bore tests

Preparing copper powder from cemented copper

Field evaluation of hydraulic backfill compaction at the Lucky Friday Mine, Mullan, Idaho

Thermal conductivities and Prandtl numbers of nitrogen from 133⁰ to 740⁰ K between 1 and 240 atmospheres

Creep and other properties of extruded zinc-30 percent aluminum alloys containing magnesium

Thermodynamic properties of (Na₂O)₄℗·Fe₂O₃, 6⁰ to 1,200⁰ K

Utah crude oils :characteristics of 67 samples

Thermal reactions of 1-methylindole

Analysis of tunnel support structure with consideration of support-rock interaction

Using broad-line nuclear magnetic resonance spectrometry to estimate potential oil yields of oil shales

Dewatering Florida phosphate pebble rock slime by freezing techniques

Recovery of heavy minerals from sand and gravel operations in the southeastern United States

Photochemical reactivity of diesel exhaust :some preliminary tests

Tritiated water as a tracer in the dump leaching of copper

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