TRAIL - Technical Report Archive and Image Library

A mathematical model to guide the discovery of ore bodies in a Coeur d'Alene lead-silver mine

Emission characteristics of a prime mover for hybrid vehicle use

Statistical analysis of methane concentration fluctuations produced by incomplete mixing of methane and air at a model coal mine working face

Electrochemical anodic reaction rate of vanadium metal with molten VCl₂-VCl₃-NaCl mixtures

Synthesis of rutile from domestic ilmenites

Pulsed nuclear magnetic resonance studies of oil shales-estimation of potential oil yields

Compression testing of rock in simulated lunar environment

Washing fine-size coal in a dense-medium cyclone

Carbon steel from prereduced pellets-acid practice

Increasing fluosilicic acid evolution from phosphate rock by digestion with phosphoric acid

Microdetermination of volatile matter and rock dust concentration of airborne coal mine dust

Solvent stimulation tests in two California oilfields

Detection and delineation of faults by surface resistivity measurements:Schwartzwalder mine, Jefferson County, Colo.

Qualitative characterization of 370⁰ to 535⁰C aromatic concentrates of crude oils from GPC analyses

Waste lubricating oil research:a comparison of bench-test properties of re-refined and virgin lubricating oils

Mine pager to public telephone interconnect system

Development of titanium load cells for support load determination

Mine roof simulator:definition and discussion of parameters

Oxidation of mixed iron and copper chlorides

Methane in the Pittsburgh coalbed, Washington County, Pa.

A new method of analysis to obtain exact solutions for stresses and strains in circular inclusions

Effect of impurities and additives on the electrowinning of zinc

Physical property data on coal waste embankment materials

Infrared spectra of compounds of importance in lead sulfide flotation

In situ determination of rock behavior by overcore stress relief method, physical property measurements, and initial deformation method

Tunnel boring technology:disk cutter experiments in metamorphic and igneous rocks

Evaluation of a novel electrophoretic separation method to remove pyritic sulfur from coal

Strengthening molybdenum by powder metallurgical internal oxidation of ZrMo₂

Cost of producing copper from chalcopyrite concentrate as related to SO₂ emission abatement:an evaluation of five smelting procedures

Suppression of coal-dust explosions by passive water barriers in a single-entry mine

Collection of airborne coal dust by steam

Stability constants of metal coordination compounds:complexes of diethylenetriamine, 2-aminoethyl sulfide, triethylenetetramine, and 1, 8-diamino-3, 6 dithiaoctane

Design of an underground mine layout

Rapid growth of metallic fibersby partitioning sulfur in a copper-iron sulfide mineral

A geometric method for the prediction of stresses in inclusions, orebodies, and mining systems

Distribution of sulfur and ash in part of Pittsburgh seam and probable mode of deposition

Low-temperature heat capacity and high-temperature enthalpy of TiA1₃

Utilization of phosphorus furnace slag in ceramic wall and floor tile

Polymeric materials for underground support

Forecasts of chemical, physical, and utilization properties of coalfor technical and economic evaluation of coal seams

Formation of surface sulfides on iron through reaction with sulfur

Support performance of hydraulic backfill:a preliminary analysis

Phase relations in the alkaline earth fluoride-yttria systems (in three parts).

Steam-cured bricks from industrial mineral wastes

Thermal characteristics of shortite

A standard rock suite for rapid excavation research

Recovering copper from mill tailings:selected studies

Determining the effects of gasoline price on use of metals in automobile manufacture

Fracturing oil shale with explosives for in situ oil recovery

Development and application of the waste-plus-waste process for recovering metals from electroplating and other wastes

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