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Dust Control On Longwalls – Assessment Of The State-Of-The-Art
By J. P. Rider
Operating practices and resulting production from longwall faces are continually improving. Consequently, longwall operators are continually seeking to improve the dust control capabilities on longwal
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IC 6956 Coal-Mine Explosions In Ohio, 1874-1936 - Introduction
By C. W. Owings
The number of major coal-mine explosions occurring annually in the United States is decreasing, due mainly to fuller recognition of explosion hazards in coal mines and knowledge of methods to prevent
Jan 1, 1937
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RI 8374 Citrate-Process Pilot-Plant Operation at the Bunker Hill Company
By Laird Crocker
A goal of the Federal Bureau of Mines is to minimize the undersirable environmental conflicts and impacts associated with mineral processing operations. To help reach this goal the Bureau operated a c
Jan 1, 1979
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IC 8069 An Economic Analysis Of Underground Gasification Of Coal ? Introduction
By G. D. Bakulev
Economic Importance of Gasification of Fuel and Brief Outline of Development of Underground Gasification of Coal in the U.S.S.R. The underground gasification of fuel offers a number of economic and s
Jan 1, 1962
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IC 8101 The National Safety Competition Of 1960 ? Summary
By John C. Machisak
The National Safety Competition is sponsored and conducted annually by the Bureau of Mines, U.S. Department of the Interior, to give greater impetus to the building of programs safeguarding the employ
Jan 1, 1962
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RI 4370 Concentration Of Fluorite From Tailings And Mine Waste Rock In Crittenden And Livingston Counties, Ky.
By M. M. Fine
The flotation work on samples from nine fluorspar properties in Crittenden and Livingston Counties, Ky., reported herewith was part of a wartime project that resulted in increasing the supply of metal
Jan 1, 1948
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RI 8454 Utilizing the Magnetic Fraction of Raw Refuse With Shredded Automobile Scrap in Cupola Gray Iron
By V. R. Spironello
The Bureau of Mines is involved in research directed toward the utilization of municipal solid waste. One of the primary objectives is the recycling of the magnetic fraction of municipal solid waste (
Jan 1, 1980
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RI 7038 Load-Displacement Measurement In A Backfilled Stope Of A Deep Vein Mine
By D. R. Corson
The Bureau of Mines instrumented an operating stope in a deep vein mine to determine the amount of wall closure and the magnitude of loads imposed on a backfilled stope. Hydraulic pressure cells used
Jan 1, 1967
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MLA 34-88 - Mineral Resources Of The Million Hills Study Area, Clark County, Nevada ? Summary
By J. Douglas Causey
In 1987, at the request of the Bureau of Land Management, the U.S. Bureau of Mines studied a part of the 21,296-acre Million Hills Wilderness Study Area (NV-050-233) in order to evaluate its identifie
Jan 1, 1988
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IC 8939 Passive Encoder For Range Knobs
By William H. Schiffbauer
The Bureau of Mines has developed a passive encoder for range knobs, a device that automates the task of obtaining the range settings from devices or instruments to be input to microcomputers. It is e
Jan 1, 1983
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RI 4389 Concentration Of Oxide Manganese Ores From Northeastern Utah, Daggett Chief And Gray Hawk Properties
By R. Havens
During the course of the investigation of possible domestic sources of manganese, engineers of the Bureau of Mines examined and sampled two manganese mineral deposits in northeastern Utah. The Dagget
Jan 1, 1949
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OFR-16-88 Shearer Mounted Dust Collector; Evaluation Of Ventilated Cutting Drums
By Jonathan S. Kelly
Effective control of respirable dust is one of the most serious problems associated with longwall mining in the United States. This report describes the development and the underground evaluation of v
Jan 1, 1987
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RI 7559 Laboratory Evaluation Of Some Factors In Cyaniding Gold Placers
By I. L. Nichols
The inplace cyanidation leaching of gold from placer deposits is a potential method for treating gravels too deeply buried and too low in gold content to be processed economically by conventional dred
Jan 1, 1971
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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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OFR-161(2)-81 Appendix Volume - Control Of Water Pollution From Surface Mining Operations
By David R. Jessey
This volume contains the detailed mine site reports written by the WAPORA, Inc. and KETRON, Inc. staffs. It is a companion Appendix Volume to Control of Water Pollution from Surface Mining Operations.
Jan 1, 1981
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OFR-89-77 Hoist Radio System For Deep Shafts
By Joseph A. Vanous
The inductive communication system was developed under this contract for use in the hoist of deep mines. This program was a four phase program with experimental dual frequency equipment resulting from
Jan 1, 1976
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IC 8805 Demonstrated Reserve Base Of U. S. Coals With Potential For Use In The Manufacture Of Metallurgical Coke
By William S. Sanner
A demonstrated reserve base (DRB) of bituminous coal suitable for cokemaking has been estimated based on the latest published information on U.S. coal reserves. Bureau of Mines analyses of raw coalbed
Jan 1, 1979
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Anchorage Pull Testing For Fully Grouted Roof Bolts
By David C. Oyler, Dennis R. Dolinar, Christopher Mark, Craig S. Compton
Fully-grouted roof bolts comprise more than 80% of the primary roof supports used in U.S. coal mines. However, nearly 1,500 MSHA reportable, non-injury roof falls occur each year, and most of these a
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RI 7165 Miniature Bilevel Alarm For Oxygen-Deficient Atmospheres
By Robert A. Bradburn
The Bureau of Mines has developed a miniature, portable two-level oxygen-deficiency alarm and produced three prototype models. Each operates from a 4.2-v dc power source, and the highest current drain
Jan 1, 1968
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Static Electricity In Hospital Operating Suites - Direct And Related Hazards And Pertinent Remedies - Preface And Summary
By P. G. Guest
MANY of the gases and vapors used in anesthesia form explosive mixtures with oxygen or air. Sources of ignition for these mixtures always have existed in operating and anesthetizing areas. When ether
Jan 1, 1953