TRAIL - Technical Report Archive and Image Library

Canopy-air curtain dust reductions on a gathering-arm loader

Effect of direct-current firing levels on detonator delay times

Recovery of metal values from lead smelter matte by chlorine-oxygen leaching

Effectiveness of three water spray methods used to control dust during bagging

Investigation of longwall gateroad roof support characteristics at Powhatan No. 4 Mine :instrumentation plan

Amphiboles in Soapstone Ridge, Ga.

The effects of sodium chloride leach solution additive on simulated in situ leaching of a chalcopyrite ore

Diagnostics of sealed coal mine fires

Zirconium oxide molds for small molybdenum investment castings

Engineering properties of combined coarse and fine coal wastes

Thermodynamic properties of synthetic acmite (NaFe³⁺Si₂O₆)

Drilling a horizontal coalbed methane drainage system from a directional surface borehole

Noise and vibration control for surface mines :program document

Computerized, remote monitoring systems for underground coal mines :fires and explosive atmospheres

Some design factors for windows and lenses used in explosion-proof enclosures

Reliability of computerized mine monitoring systems

The determination of the points of zero charge of fine mineral particles by a titration technique

An iron-aluminum-molybdenum-alloy as a chromium-free stainless steel substitute

Analysis of vapor-aluminum-diffused stainless steels

Acid mine drainage :control and abatement research

Thermodynamic properties of selected transition metal sulfates and their hydrates

The relation of geology to mine roof conditions in the Pocahontas No. 3 coalbed

The depletion allowance and domestic minerals availability :a case study in copper

SIC-based demand information system for nonfuel minerals

Minerals data source directory

Accomplishments in waste utilization :a summary of the Seventh Mineral Waste Utilization Symposium

Mine illumination :proceedings

Computer simulation applied to the separation of porous leach residue solids from liquor by horizontal belt filtration

Proceedings of Seminar on the Role of Overburden Analysis in Surface Mining, Wheeling, W. Va., May 6-7, 1980

Reduction of airborne contaminants from welding exhaust at surface mines

Minerals health and safety in-house and contract research, development, and demonstration in fiscal year 1982

Chemically bonded refractories--a review of the state of the art

State severance taxes :a summary and an analysis of the impact of rate changes on copper recovery costs

The solubility of methane, carbon dioxide, and oxygen in brines from 0⁰ to 300⁰ c

Determination of ferric ion diffusion and activity coefficients from chronopotentiometric data

Recovery of sulfur and accessory metals from a leaching process residue

A novel bromine calorimetric determination of the formation enthalpies of sulfides

Recovery of high-grade barite from waste pond materials

Effect of ferric ion on corrosion resistance of zirconium in HCl-AlCl₃ environment

Mechanical properties of oil shale and overlying strata, Naval Oil Shale Reserve, Anvil Points, Colo.

Assessment of environmental impacts associated with phosphogypsum in Florida

Purification of Cl₂-O₂ leach liquors by zinc cementation

Evaluation of the use of foam for dust control on face drills and crushers

Electrowinning nickel and cobalt from domestic laterite processing :preliminary laboratory-scale results

Orifice plate design studies for a multiple-compartment, ion-exchange column

Steels from a variety of ferrous scrap including materials of low quality

Geologic structures in coal mine roof

Preliminary studies on the dewatering of coal-clay waste slurries using a flocculant

High-temperature corrosion resistance of basic refractories to coal and lignite ash slags

Fire detection systems in conveyor belt haulageways

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