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RI 3313 Extent And Availability Of Natural Gas Reserves In Michigan "Stray" Sandstone Horizon Of Central Michigan ? Introduction
By E. L. Rawlins
The development of commercial natural-gas reserves in the Michigan stray sandstone horizon of central Michigan during the past few years has resulted in expansion of the natural-gas industry in that S
Jan 1, 1936
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OFR-107-77 Minimum Cost Strategies For Longwall Equipment Moves
By Thomas Gales
Longwall mining has a high potential for producing bulk production from a single face. Production is interrupted for a considerable time when it is necessary to move the equipment to a new block of co
Jan 1, 1977
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IC 7669 Uranium-Mining Operations Of The Utex Exploration Co. In The Big Indian District, San Juan County, Utah ? Introduction And Summary
By Charles A. Steen
Publication of this information circular results from an invitation extended to the Bureau of Mines by the Utex Exploration Co. to visit the company mine, on the Mi Vida claim about 39 miles southeast
Jan 1, 1953
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RI 3561 Alunite Resources Of The United States ? Introduction
By J. R. Thoenen
[Before 1914 Germany held a virtual monopoly on the world supply of potash for fertilizer purposes. During the World War, potash shipments to the United States ceased, and recourse was had to domestic
Jan 1, 1941
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RI 9417 - Frictional Ignition Of Natural Gas-Air Mixtures By Alternative Coal-Cutter Bit Shank Materials (78438c08-0460-4e7b-987b-fc86d7400932)
By L. Garner McDonald
The U.S. Bureau of Mines tangentially impacted potential coal-cutter bit shank materials against sandstone to investigate the potential of the materials to ignite natural gas by a friction-generated h
Jan 1, 2010
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IC 7960 The National Safety Competitions Of 1948-58 ? 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 stimulate greater interest in safety in the mineral-extractive industri
Jan 1, 1960
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RI 3326 Permissible Electrically Operated Room Hoists
By L. C. IlsLey
The United States Bureau of clines has been conducting Investigations of electrical equipment during a period of more than 25 years in an endeavor to encourage the development of safer electrical equi
Jan 1, 1937
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RI 8971 - Measurement of Air Velocity in Mines
This Bureau of Mines investigation addressed two primary issues of air velocity measurement in mines: the determination and use of correction factors, and the development of guidelines for the selecti
Jan 1, 1985
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Contributions To The Data On Theoretical Metallurgy - VII. The Thermodynamic Properties Of Sulphur And Its Inorganic Compounds ? Introduction
By K. K. Kelley
This work is a continuation of a program of study of the measurement and correlation of fundamental thermodynamic data inaugurated several years ago by the United States Bureau of Mines. Previous bull
Jan 1, 1937
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RI 3371 Performance of a Baum-Type Coal-Washing Jig
By M. R. Geer, H. F. Yancey
"INTRODUCTION Throughout the history of coal washing, the jig has been one of the most important coal-cleaning appliances. In 1935 34.7 percent of the 45,361,021 tons of clean coal produced was the pr
Jan 1, 1938
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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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IC 9368 Coal Resource Recoverability - A Methodology
By T. J. Rohrbacher
This report presents a U.S. Bureau of Mines methodology developed to incorporate factors of coal production (mining and cleaning methods, recoveries, economics, etc.) into the definition of recover-ab
Jan 1, 1993
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OFR-32-81 Electromagnetic Fields In Mine Environments
By James R. Wait
The present final report constitutes the total productivity of a series of contracts from the U.S. Bureau of Mines and the Institute for Telecommunication Sciences over the period 1971-1979. The empha
Jan 1, 1980
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RI 9165 - Preparation of Ammonium Paratungstate From a Sodium Tungstate-Sodium Chloride Phase
By A. E. Raddatz
Previous Bureau of Mines research has shown that tungsten ores containing as little as 40 pct W032-can be processed by a high-temperature molten-salt extraction technique to produce a tungstate-bearin
Jan 1, 1988
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Investigation Of Pillar-Roof Contact Failure In Northern Appalachian Stone Mine Workings
By Gabriel S. Esterhuizen, Anthony T. Iannacchione
The roof rock in underground limestone mines in Northern Appalachia can be subject to high horizontal stresses in spite of the shallow depth of the workings. The high stresses can cause roof stabilit
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IC 9348 A Prefeasibility Software Package For Evaluating Coal Properties Using Lotus 1-2-3, Release 2.2
By Matthew N. Plis
This U.S. Bureau of Mines report presents the documentation for COALVAL, a coal property evaluation software package developed on Lotus 1-2-3,4 version 2.2, spreadsheets. The software is compatible wi
Jan 1, 1993
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IC 6892 Review Of Literature On Effects Of Breathing Dusts With Special Reference To Silicosis - Part III-B - Chapter 5. Economic And Legal Aspects Of Dust Disease In Industry (Sections 3 And 4)
By D. Harrington
Part III-B, presented in this circular, completes the series reviewing the literature on effects of breathing dusts with special reference to silicosis; it includes data on the status and cost of comp
Jan 1, 1936
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RI 9584 - A Profile of Workers? Experiences and Preparedness in Responding to Underground Mine Fires
By Charles Vaught
The purpose of this study was to determine mine workers' state of fie-fighting preparedness and the technology being used to detect and respond to underground coal mine fires. To investigate this
Jan 1, 2010
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OFR-CT1(1)-83 Modernization Of The BMINES Computer Code - Vol. I: User's Guide
By David E. Van Dillen
The computer program described in this user's guide provides for the static, three-dimensional, linear and nonlinear analysis of structural and geological systems by the finite element method. Th
Jan 1, 1981
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OFR-92-79 Development Of Training And Data For Specifying And Maintaining Mine Illumination Systems
By Felix du Breuil
Contract H0177044 included three objectives; (1) consolidate, maintain, and distribute information on STE approved lighting systems; (2) develop and present one-day seminars on underground mine lighti
Jan 1, 1979