TRAIL - Technical Report Archive and Image Library

Vanadium extraction from Idaho mudstones

Procedures for determining support of excavations in highly yielding ground

Electrical ignition energies and thermal autoignition temperatures for evaluating explosion hazards of dusts

Geotechnology in slate quarry operations

Measurement of air velocity in mines

Utilization of simulated coal gases for reducing iron oxide pellets

Removal of magnesia from dolomitic southern Florida phosphate concentrates by aqueous SO₂ leaching

Thermodynamic properties of CoS₀.₈₉, CoS₁.₃₃ and CoS₂

Exhaust ventilation of deep cuts using a continuous-mining machine

Solubilities of chloride salts of alkali and alkaline-earth metals when sparged with hydrogen chloride

Electrostatic sensitivity, strength, and no-fire current of short-delay detonators

Measuring formation pressures and the degree of gas drainage in a large coalbed gas drainage field

Large-scale laboratory drag cutter experiments in hard rock

Hydrochloric acid-oxygen leaching and metal recovery from copper-nickel bulk sulfide concentrate

The Effects of a retreating longwall on a three-entry gate road system

Analysis of sampling variance from certain platinum and palladium deposits in Alaska

Laboratory tests of spalling, breaking, and abrasion of wear-resistant alloys used in mining and mineral processing

Recovery of lithium from a montmorillonite-type clay

Using solvent-impregnated carbon to recover copper from oxidized mill tailings

Extraction of chromium from domestic chromites by alkali fusion

Measurement of coal-cutting forces underground with the in-seam tester

Laboratory wear testing capabilities of the Bureau of Mines

Quartz dust sources during overburden drilling at surface coal mines

Literature on the revegetation of coal-mined lands

Tungsten availability--market economy countries :a minerals availability program appraisal

Anchorage capacities in thick coal roofs

Mining deep ocean manganese nodules:description and economic analysis of a potential venture

Influence of chelating reagents on leaching of copper ore

Influence of an organic polymer in ball-mill grinding of quartz, dolomite, and copper ore

Defluorination of byproduct zinc concentrates

Electrochemical conditioning of a mineral particle bed electrode for flotation

Determination of tungsten and associated elements in natural brines and related process solutions by inductively coupled plasma spectrometry

Comparison of rotary and in-hole motor techniques for drilling horizontal boreholes in coal

Methane control on longwalls with cross-measure boreholes (Lower Kittanning Coalbed)

High-temperature properties of magnesia-refractory brick treated with oxide and salt solutions

Laboratory evaluation of spray-applied rigid urethane foams

Recovery of platinum, palladium, and gold from Stillwater Complex flotation concentrate by a roasting-leaching procedure

Structural design considerations for deep mine shafts :analysis of circular, rectangular, and elliptical openings

Control of acid mine drainage :proceedings of a technology transfer seminar

Safety aspects of pneumatic transport

The Bureau of Mines noise-control research program :a 10-year review

Zaire

Mineral investigation of the Black Rock wilderness study area, Graham County, Arizona

Mineral investigation of the Fishhooks wilderness study area, Graham County, Arizona

Research study on pillar design for vertical crater retreat (VCR) mining

Pacific Manganese Nodules: Characterization and Processing

Resource Recovery from Municipal Solid Waste

Dewatering of Mineral Waste Using the Flocculant Polyethylene Oxide

Dielectric Separation of Minerals

Mineral Facts and Problems: 1985 Edition

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