Browse TRAIL Inventories

Field testing the microminerresearch continuous miner

Rio Blanco massive hydraulic fracturing demonstration

Using handheld infrared imagers to locate miners in smoke-filled mine openings

Parachute stopping :preliminary experiments

Coal-pyrite flotation :a modified technique using concentrated second-stage pulp

Continuous gas monitoring using tube bundles at the Joanne mine fire

Hydraulic sandfill in deep metal mines,

Wet chemical methods for analyzing taconite, iron ore, and metallurgical products,

Pumped-slurry backfilling of inaccessible mine workings for subsidence control

The Florida phosphate slimes problem:a review and a bibliography,

Methods and costs of dust control in stone crushing operations.

Impact of changing technology on the demand for metallurgical coal and coke produced in the United States to 1985

Construction of an interface between a minicomputer and an X, Y digitizer,

FRACTAN: a computer code for analysis of clusters defined on the unit hemisphere,

Comparative asbestos mining and processing costs - Alaska versus Yukon Territory

Basic estimated capital investment and operating costs for underground bituminous coal mines :mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed

ARPA-Bureau of Mines rock mechanics and rapid excavation program :a research project summary

Strip-mining techniques to minimize environmental damage in the upper Missouri River Basin states

Proceedings of the Symposium on the Use of Diesel-powered Equipment in Underground Mining, Pittsburgh, Pa., January 30-31, 1973

The reserve base of U.S. coals by sulfur content :(in two parts) 1. The Eastern States

Limited field tests in electrokinetic densification of mill tailings

Properties of Utah tar sands--south Seep Ridge area, P.R. Spring deposit

Analyses of tipple and delivered samples of coal:collected during fiscal year 1974

Thermodynamic properties of the Al-Ni system

Chlorination kinetics of selected metal sulfides

Engineering properties of fiber-reinforced and polymer-impregnated shotcrete

Experiments in treating zinc-lead dusts from iron foundries

Use of Vacutainers for collection of mine atmosphere samples

Double roast-leach-electrowinning process for chalcopyrite concentrates

Application of large-hole burn cut in room-and-pillar mining

Electrophoretic mobilities and cation exchange capacities of Florida phosphate slimes

Measuring the methane content of bituminous coalbeds

Optimum automotive use of the combustion characteristics of gas from coal-low pollution considerations

Evaluation of steel made with ferrous fractions from urban refuse

Properties of Utah tar sands :Asphalt Wash Area, P.R. Spring deposit

Recovery of nickel and cobalt from low-grade domestic laterites

Crude oil spills research :an investigation and evaluation of analytical techniques

Structural response of propped fractures in Green River oil shale as it relates to underground retorting

Thermal reactions of shale-oil components:plant pigments as probable precursors of nitrogenous compounds in shale oil

Methane buildup hazards caused by dust scrubber recirculation at coal mine working faces,a preliminary estimate

Prompt copper recovery from mine strip waste

Methane analyzer system to record continuously the methane content of coal mine ventilation air

Lime roast-leach method for treating chalcopyrite concentrate

Effect of depth of cut and bit type on the generation of respirable dust

Converting stainless steel furnace flue dusts and wastes to a recyclable alloy

Substitution of phosphate slime for bentonite in geothermal well drilling fluids

Source of solids in injection waters, Wilmington Field, California

Methane in the Pittsburgh coalbed, Greene County, Pa.

Development and utility of reactivity scales from smog chamber data

Rock fragmentation by high-frequency fatigue


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