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IC 8338 The Interindustry Structure Of The U.S. Mining Industries-1958
By Kung-Lee Wang
This report describes the linkage of all mining sectors with all other manufacturing, services, and final demand sectors of the U.S. economy. Besides being a basic data source, it provides a framework
Jan 1, 1967
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IC 9216 In Situ Leach Mining - Proceedings: Bureau Of Mines Technology Transfer Seminars, Phoenix, AZ, April 4, And Salt Lake City, UT, April 6, 1989
As part of its research on advanced mining technology, the U.S. Bureau of Mines emphasizes studies on in situ leach mining. This research enables the Bureau to develop technical information that can a
Jan 1, 1989
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RI 7295 Bureau Of Mines Coal-Fired Gas Turbine Research Project - Test Of Combustor And Ash Separators For Open-Cycle Plant
By Donald C. Strimbeck
The Bureau of Mines designed a down-fired refractory-lined combustor that efficiently burned pulverized coal to produce a gas suitable as working fluid for an open-cycle gas turbine. The gas contained
Jan 1, 1969
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RI 7501 Autoclave And Ambient Pressure Leaching Of Lake Superior Manganiferous Ores
By Vance G. Leak
Leaching of manganese from low-grade Minnesota ores was studied over the temperature range 25° to 225° C at atmospheric and elevated pressures to demonstrate that good recoveries of manganese could be
Jan 1, 1971
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RI 3336 Beneficiation Of Spodumene By Decrepitation ? Introduction (132e4d98-bf25-4fae-a900-bb38ff5b3820)
By Foster Fraas
One of the lithium minerals most widespread in the earth's surface is spodumene (Li20-A1203-4Si02), a lithium aluminium silicate. For some time, deposits of this mineral were known to exist in th
Jan 1, 1937
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RI 7998 - Noise Abatement Of Pneumatic Rock Drill
By C. R. Summers, J. N. Murphy
In response to the Coal Mine Health and Safety Act of 1969, mandatory noise standards have been developed that specify time-noise limits of mine personnel exposure. Most affected by elevated noise lev
Jan 1, 1974
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RI 5711 Heats And Free Energies Of Formation Of Ferrites And Aluminates Of Calcium, Magnesium, Sodium, And Lithium - Introduction And Summary
By M. F. Koehler
[THE LITERATURE contains relatively few thermodynamic values for interoxidic compounds, and these often are unreliable. This is especially true of data for ferrites and aluminates for which heat of fo
Jan 1, 1961
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OFR-7-95 Executive Summary Of The U.S. Bureau Of Mines Investigations In The Colville Mining District, Alaska ? Introduction
By Mark P. Meyer
During 1991 through 1993, the U.S. Bureau of Mines (Bureau) -Alaska Field Operations Center (AFOC) in cooperation with the Bureau of Land Management (BLM) -Arctic District Office and the State of Alas
Jan 1, 2011
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OFR-66-93 Regulatory Aspects Of Submarine Tailings Disposal - The Quartz Hill Case History
By C. A. Hesse
The Quartz Hill Molybdenum Project, In Southeast Alaska, was the first mining project to attempt the permitting of a submarine tailings disposal system in the United States, since the passage of the N
Jan 1, 1993
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OFR-113C-93 Coal Mine Injury Analysis: A Model For Reduction Through Training - Volume IV: Analytical Techniques For Mine Safety Management
By R. V. Ramani
One area of study in the Coal Mine Injury Analysis project was to illustrate and enhance the ability of mine safety management personnel to apply analytical techniques to injury experience data and to
Jan 1, 1993
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Updating the NIOSH Support Technology Optimization Program (STOP) With New Support Technologies and Additional Design Features
By Thomas M. Barczak
The initial Support Technology Optimization Program (STOP),Version 1.0, was released at the 19th Ground Control Conference. This original program has since been updated to Version 2.3 which was releas
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OFR-173-82 Development Of Improved Topsoil Handling Techniques
By Michael Mancuso
This report summarizes the problems of topsail handling as related to present requirements of law and current equipment availability. The most prevalent topsoiling systems are reviewed along with a li
Jan 1, 1981
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IC 8223 Titanium In The Southeastern United States
By Fred P. Giese
Southeastern reserves of titanium ores are large, widespread, and ample for anticipated demand. The leading titanium industries are mining and beneficiating sand deposits, principally in Florida, and
Jan 1, 1964
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IC 8066 Instruction Handbook: Fundamentals Of Accident Prevention For Coal-Mine Supervisors ? Introduction
By W. H. Tomlinson
This publication presents the basic text for a 20-hour accident-prevention training course developed for supervisors by the Federal Bureau of Mines. During the past 2 years, the course has been used b
Jan 1, 1962
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Time-Lapse Tomography of A Longwall Panel: A Comparison of Location Schemes
By Kray Luxbacher, Erik Westman, Peter Swanson
Three-dimensional time-lapse velocity tomograms were generated to image stress redistribution around a longwall panel to produce a better understanding of the mechanisms that lead to ground failure. M
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OFR-61-88 Improved Ventilation Of Sealed Mine Gob
By Steven D. Wirch
Abandoned underground coal mine areas must either be sealed or ventilated to comply with federal mine regulations. Ventilation of these abandoned areas is often impractical due to roof falls and inade
Jan 1, 1988
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MLA 110-82 - Mineral Investigation Of The Sheep Hole/Cadiz Wilderness Study Area (BLM), San Rernardino County, California ? Summary Statementt
By Phillip R. Moyle
Several deposits in the Sheep Hole/Cadiz Wilderness Study Area (WSA) have small identified or potential for undiscovered gold and silver resources. One prospect area is a potential target for molybden
Jan 1, 1982
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Occurrence And Determination Of Germanium In Coal Ash From Powerplants ? Summary
By R. C. Corey
GERMANIUM is an element that has come into widespread use in the electronics industry in recent, years. So far this increasing demand has been, met by ample supply: however, the future balance is unce
Jan 1, 1959
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IC 7347 Utilization Of Natural Gas For Chemical Products
By Harold M. Smith
Among the more important raw materials now utilized for the commercial production of synthetic organic chemicals is natural 'gas. Natural gas has been used as a fuel and source of energy almost f
Jan 1, 1947
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Enhanced Generation of Free Radicals from Phagocytes Induced by Mineral Dusts
By N. S. Dalal, J. F. Mega, X. Shi, V. Vallyathan
Several studies have suggested that pulmonary toxicity to asbestos and silica may be mediated through oxidant-induced cell injury. We have reported recently that surface radicals associated with fresh
Mar 1, 1992