TRAIL - Technical Report Archive and Image Library

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

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

Thermal history of rock dust particles in a gas flame preheat zone

Seismic detection of trapped miners using in-mine geophones

Preparing supported Raney nickel catalysts by dip coating

Waste glass as a raw material for lightweight aggregate

Analyses of natural gases, 1975

Fuels and energy data :United States by states and census divisions, 1973

Geology of the Mary Lee Group of coalbeds, Black Warrior coal basin, Alabama

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

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)

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

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

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

Advancing coal mining technology research, development, and demonstration in fiscal year 1977

Correlating microfilm mine maps with topographic maps

Computer graphics demonstration :area coal availability studies

Underground mine communications(in four parts) :

Transducer preparation gage assembly of the Bureau of Mines three-component borehole deformation gage

The Bureau of Mines test program for clay and ceramic raw materials

Siting potential for coal gasification plants in the United States

Bibliography of investment costs, operating costs, and related economic information for the mineral industries, January-December 1976

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