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RI 3707 Briquetting Subbituminous Coal
By V. F. Parry, John P. Goodman
"INTRODUCTION Review of Previous Work Many investigators and certain commercial interests have recognized that the briquetting process is a practical method to convert much of what is now considered u
Jun 1, 1943
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New Developments With The Coal Mine Roof Rating
By Christopher Mark, Gregory M. Molinda, Timothy M. Barton
The Coal Mine Roof Rating (CMRR) was first presented at this Conference nine years ago. Since its introduction, the CMRR has been incorporated into many aspects of mine planning, including longwall p
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IC 8513 Computer Program For Economic Evaluations Of Underground Bituminous Coal Mines
By Robert A. Miller
This computer program determines the price per ton of coal needed to obtain a profit of 12 percent discounted cash flow. From a predetermined equipment and manning list, the program calculates all
Jan 1, 1971
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IC 7142R Gas Explosions In Buildings: Their Cause And Prevention ? Introduction
By D. J. Parker
Because of its convenience and availability, natural gas (and to a much less extent manufactured gas) in being used more generally throughout the country for domestic and industrial purposes. With thi
Jan 1, 1941
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RI 4413 Estimated Cost Of Producing Heavy Fuel Oil By Hydrogenation Of Coal
By L. L. Hirst
Liquid fuel oils possess certain advantages over solid fuels. Ease in handling, precision temperature control, and almost complete freedom from ash are among those considered when a liquid fuel is sel
Jan 1, 1948
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IC 6460 Concentrating Methods And Costs At The Morenci Concentrator Of The Phelps Dodge Corporation, Morenci, Greenlee County, Ariz. ? Introduction
By Arthur Crowfoot
This paper describing t o concentrating practice of the Phelps Dodge Corporation, Morenci Branch, at Morenci, Ariz., is one of a series of articles on concentrating methods and posts being prepared by
Jan 1, 1931
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IC 8529 Bureau Of Mines Research Programs On Recycling And Disposal Of Mineral-, Metal-, And Energy-Based Solid Wastes
By Charles B. Kenahan
A summary of Bureau of Mines research on utilization and disposal of solid wastes is presented, accompanied by an extensive bibliography of related publications. The Bureau's Solid Waste and Mate
Jan 1, 1971
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OFR-20(2)-76 Applicability Of State-Of-The-Art Repeaters For Wireless Mine Communication - I. Executive Summary - A. Objectives
By John J. Ginty
The objective of the work reported herein was to evaluate state-of-the-art repeaters used in wireless communications to determine their suitability for use in extending the range of portable and mobil
Jan 1, 1975
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RI 4647 Bureau Of Mines Strategic Minerals Development Program - Summary Of Progress, 1939-1949
By Lowell B. Moon
Concern over possible wartime shortages finally resulted in passage of the Strategic Materials Act in 1939. As authorized by one section of this legislation, the Bureau of Mines proceeded to investiga
Jan 1, 1950
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RI 4892 Petroleum-Engineering Study of K. M. A. Reservoir, Southwestern Part K. M. A. Oil Field, Wichita and Archer Counties, Tex.
"SUMMARYThe K.M.A. reservoir was discovered to be oil bearing at a depth of 3,719 feet on March 11, 1931. Extensive development, however, was not begun immediately, because the discovery well had a lo
Jun 1, 1952
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Solutions to Prevent Materials-Handling Injuries in Underground Coal Mines
By Brian P. Stapleton, Bill M. Stewart, Joel R. Warneke, Curtis C. Clark
Of the 28 accident/injury classifications listed by the Mine Safety and Health Administration, handling materials is second only to roof falls in terms of generating the highest number of reportable a
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RI 4368 Investigation Of Chromite Deposits Of The Stillwater Complex, Stillwater And Sweetgrass Counties, Mont.
By N. L. Wimmler
The chromite deposits along the Stillwater complex in Stillwater and Sweetgrass Counties, Mont., have at various times been studied and reported on by the Federal Geological Survey, the Montana Bureau
Jan 1, 1948
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A Measurement Method for Determining Absorption Coefficients for Underground Mines
By Gregory P. Cole, Peter G. Kovalchika, Rudy J. Matetic, Adam K. Smith
Previous studies conducted by the National Institute for Occupational Safety and Health (NIOSH) have shown that approximately 90% of coal miners and 49% of metal/nonmetal miners had a hearing impair
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Tell Me A Story? Using Stories to Improve Occupational Safety Training
By Elaine T. Cullen
Human beings are natural storytellers and story listeners. We learn very early that stories entertain us, but also give us the ?rules? about what is expected of us and how to make meaning of our exper
Jan 1, 2008
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RI 4490 Zinc-Lead Ore Reserves Of The Tri-State District Missouri-Kansas-Oklahoma
By Otto Ruhl
The zinc-lead ore reserves of the Tri-State district of Kansas, Missouri, and Oklahoma, as of December 31, 1947, are estimated at a total of 66,100,000 tons of crude ore containing 2.18 percent metall
Jan 1, 1949
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OFR-12-87 Development And Validation Of A Comprehensive Mine Rescue Team Training Program
By Ronald Althouse
During the past five years under contract with the U. S. Bureau of Mines (BOM Contract J0308002). West Virginia University's Mining Extension Service (WVU-MES) has designed, developed) and delive
Jan 1, 1986
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OFR-2(1)-73 A Mineral Slurry Data Bank - Part I Report
By R. R. Faddick
A mineral slurry data hank has been compiled, containing slurry pipelining data on sixteen ores, concentrates, and tailings. The data bank it in the form of a computer print-out all they necessary sys
Jan 1, 1972
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RI 4519 Production Of Ductile Titanium At Boulder City, Nev.
By F. S. Wartman
This paper gives an account of the production of ductile-grade titanium powder in 100-pound batches by reduction of purified titanic Chloride with magnesium, grinding, leaching, and magnetic-separatio
Jan 1, 1949
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Analyzing factors influencing struck-by accidents of a moving mining machine by using motion capture and DHM simulations
By John R. Bartels
Remote operation of continuous mining machines has enhanced the health and safety of underground miners in many respects; however, numerous fatal and non-fatal continuous miner struck-by accidents hav
Jan 1, 2008
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RI 3333 Progress Reports - Metallurgical Division 15. Ore-Dressing Studies - Use Of Wetting Agents In Flotation - What Are Wetting Agents?
By R. S. Dean
In an earlier paper Dean and Hersberger5/ gave preliminary results a d discussed briefly the use in flotation of organic reagents of the type known in the textile industry as "wetting agents.? These r
Jan 1, 1937