TRAIL - Technical Report Archive and Image Library

Health and safety in-house and contract research and development in fiscal year 1983

Surface subsidence over longwall panels in the western United States :monitoring program and preliminary results at the Deer Creek Mine, Utah

A Review of methods for identifying scrap metals

How to evaluate longwall dust sources with gravimetric personal samplers

A feasibility study of the use of surface redox measurements to detect subsurface methane, coal burns, and hydrothermal deposits

Preliminary testing of a prototype portable X-ray fluorescence spectrometer

Explosives and blasting procedures manual

Rock mechanics investigation of two-bed trona mining, Green River, Wyo.

Corrosion resistance of ceramic materials to hydrochloric acid (20 wt-pct at 50⁰ C)

The Effects of feed preparation on HC1 leaching of calcined kaolinitic clay to recover alumina

Software techniques in microseismic data acquisition

Sealing openings in abandoned mines by pneumatic stowing

Case history of a pilot-scale acidic in situ uranium leaching experiment

Preliminary evaluation of bit impact ignitions of methane using a drum-type cutting head

Low-iron Cu-Ni-Co matte from Duluth complex sulfide concentrate by direct smelting

Influence of selected additives and CaO:SiO₂ ratio on high temperature strength of MgO refractories

In-plant recycling of stainless and other specialty steelmaking wastes

Recovery of phosphate from Florida phosphate operations slimes

Laboratory studies on the treatment of ferric chloride stripping liquor from a clay-hydrochloric acid leaching process

Effects of a fan shutdown on a radon concentration in a positive pressure ventilated mine

Application of the Cooper-Eaton equation to the compaction behavior of phosphatic clay waste and attapulgite

Alumina miniplant operations :calcination of kaolin in a direct-fired rotary kiln

Alumina miniplant operations-production of misted raw kaolin feed

Method for producing zirconyl sulfate solution from zircon sand

Lime-sinter processing of anorthosite for the recovery of alumina

Electromagnetic surface fields due to a magnetic dipole buried in a three-layered earth

Acoustic emission source location :a mathematical analysis

Beneficiation of high-magnesium phosphate from southern Florida

Silver recovery from cyanide tailings using an acidic NaCl-FeCl₂ leachant

Methodology for determining occluded gas contents in domal rock salt

Underground coal mine power systems :proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., September 16, 1982

Mineral investigation of the Rattlesnake roadless area, Coconino and Yavapai counties, Arizona

Leaching of bornite with oxygen and ferric chloride as oxidants

Mineral investigation of the Wet Beaver Creek RARE II further planning area, Coconino and Yavapai counties, Arizona

Movable crusher systems :concepts and applications : evaluation of crushing-conveying systems for open-pit mines

Improving dust control technology for U.S. mines

Effects of the diurnal cycle and fan shutdowns on radon concentration in an experimental uranium mine

Economic evaluation of borehole and conventional mining systems in phosphate deposits

Cost estimate of the Bayer process for producing alumina, based on 1982 equipment prices

Costs and effects of environmental protection controls regulating U.S. phosphate rock mining

Passive encoder for range knobs

Evaluation of alumina extraction from coal waste :composition and availability

Economic and technical evaluation of the sulfurous acid-caustic purification process for producing alumina from kaolinitic clay

New techniques for reducing stopping leakage

Fresnel lens blind area viewers for improved mine equipment safety and productivity

Guidelines for siting product-of-combustion fire sensors in underground mines

Rates of chlorination of aluminous resources

Minerals data source directory, January 1983

Safety in the use and maintenance of large mobile surface mining equipment :proceedings: Bureau of Mines Technology Transfer Seminars, Tucson, AZ, August 16, 1983, Denver, CO, August 18, 1983, and St. Louis, MO, August 23, 1983

A dynamic gas-mixing system

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