TRAIL - Technical Report Archive and Image Library

Coal mine illumination :proceedings, Bureau of Mines Technology Transfer Seminars.

Uranium from the Chattanooga shale :some problems involved in development

Bibliography of investment costs, operating costs, and related economic information for the mineral industries, January-December 1975

Refractory lining materials for coal gasifiers :a literature review of reactions involving high-temperature gas and alkali metal vapors

Constant-volume flame propagation :finite-sound-speed theory

Recovery of lead from lead chloride by fused-salt electrolysis

Reflectance and emittance of spectrally selective titanium and zirconium nitrides

A support-performance prediction method for hydraulic backfill

The state of the U.S. coal industry :a financial analysis of selected coal-producing companies with observations on industry structure

Analyses of tipple and delivered samples of coalcollected during fiscal year 1975

A method for computing stabilization pressures for excavations in incompetent rock :with computer user information

Seismic equipment used in rock-burst control in the Coeur d'Alene Mining District, Idaho

Smelting of arseniferous copper concentrate in an electric-arc furnace

Modification of Bureau of Mines BERC rock dust meter

Reduction of dust and energy during coal cutting using point-attack bitswith an analysis of rotary cutting and development of a new cutting concept

Fluidized coke-bed chlorination of ilmenites

Flame and pressure development of Large-Scale CH4-air-N2 explosions :buoyancy effects and venting requirements

Water barriers for suppressing coal dust explosions

Free energies of formation of chromous, chromic, and chromium (II, III) fluorides by electromotive force measurements

Using inflatable stoppings during production in noncoal mines

Metal recovery by dismantling of scrapped starter motors, auto generators, and alternators

Continuous radon gas survey of the Twilight Mine

Airborne dust assessment at three metal mines and a silica mine

A passive personal sampler for nitrogen dioxide

Effect of location and type of water sprays for respirable dust suppression on a continuous-mining machine

Dust control at a transfer point using foam and water sprays

Self-sealing brattice for coal mine rescue and recovery

Borehole instrumentation for emergency mine rescue operations

Quick-fix blowout stoppings for hardrock mines

High-resolution seismic reflection techniques for mapping coal seams from the surface

Projects to expand fuel sources in Eastern States :survey of planned or proposed coal mines, coal and noncoal conversion plants, electric generating plants, oil refineries, uranium enrichment facilities, and related infrastructure, in States east of the Mississippi River (as of June 1976)

Thermodynamic properties of rhenium oxides, 8 to 1,400 K

Basic estimated capital investment and operating costs for coal strip mines :revision of information circular 8661

Automated borehole surveying system for steeply inclined cased boreholes

Sulfur reduction potential of the coals of the United States :a revision of report of investigations 7633

Multipoint detection of products of combustion with tube bundles :transit times, transmissions of submicrometer particulates, and general applicability

Use of shredded automobile scrap for copper cementation

The importance of minerals, 1976.

Longwall gob degasification with surface ventilation boreholes above the Lower Kittanning coalbed

Supply and demand for United States coking coals and metallurgical coke

Coal transportation practices and equipment requirements to 1985

Selected silicate minerals and their asbestiform varieties :mineralogical definition sand identification-characterization

Smelting prereduced nickel concentrate in an electric-arc furnace

Vapor-pressure measurements by effusion methods

Geology and methane content of the upper Freeport coalbed in Fayette County, Pa.

Brattice window method for measuring leakage through mine stoppings

AC impedance measurements used to locate faults in mining power cables

Bureau of Mines research on resource recovery :reclamation, utilization, disposal and stabilization

Stereographic method of determining whether planes of weakness transect pillars

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