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OFR-85-75 Develop And Test Canopy Air Curtain Devices - 1 Introduction And Summary
By William J. Krisko
This contract final report summarizes the design, fabrication and testing of canopy air curtain devices under Bureau of Mines Contract H0232067. The canopy air curtain device is designed to reduce the
Jan 1, 1975
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RI 5998 Electrorefining Of Selected Titanium Ternary Alloys ? Summary
By J. R. Nettle
The development of a process for upgrading offgrade titanium metal by electrorefining in molten salt led to an investigation of the electrotransfer characteristics of selected metals when alloyed with
Jan 1, 1962
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RI 9458 - Behavior of Simulated Longwall Gob Material
By Reno M. Pappas, Christopher Mark
This report presents results of a U.S. Bureau of Mines study of longwall gob material. The objective of this work was to determine material stiffness properties of the gob for use in numerical models
Jan 1, 1993
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IC 8731 GDIST: A Computer Code For Analysis Of Statistical Distributions Of Physical Data
By J. R. Alldredge
This Bureau of Mines report presents a computer code that has been developed for describing and testing the statistical distribution of general continuous data sets. The statistical distributions used
Jan 1, 1977
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IC 6821 Tungsten - Part I ? Introduction
By William O. Vanderburg
[This circular is one of two papers on the tungsten industry in the United States end contains general information on the subject. The second paper which will be issued in the near future deals with t
Jan 1, 1935
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OFR-84(7)-76 A Master Environmental Control And Mine System Design Simulator For Underground Coal Mining - Volume VII - Rail Haulage Subsystem
By C. B. Manula
This report is volume 7 of an eleven-volume final report for a Grant completed by The Pennsylvania State University for the Bureau of Mines to develop a dynamic general purpose computer simulation mod
Jan 1, 1974
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Working Smart - NIOSH develops technology and products that address exposure to noise at the work site
By Dana C. Reinke, David K. I Ingram
Researchers at the National Institute for Occupational Safety and Health partnered with the water well industry to develop engineering control technologies and training products to address noise expo
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OFR-124(2)-78 Evaluation Of Diesel Equipment Deployment In Underground Coal Mines - Volume II Diesel Bibliography
By R. V. Ramani
The industrial hygiene and safety aspects with internal combustion engines in mining systems is truly interdisciplinary and encompasses many fields such as mine ventilation, exhaust gas and particulat
Jan 1, 1977
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RI 6034 Heats And Free Energies Of Formation Of Germanium Dioxide ? Introduction And Summary
By Alla D. Mah
The need for more and better basic thermodynamic data for the oxides of many of the rare metals is evident to anyone who attempts thermodynamic calculations involving these substances. In continuation
Jan 1, 1962
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OFR-17(3)-77 Conceptual Design Of An Automated Longwall Mining System - Volume I - Final Report ? Executive Summary
This report provides concepts for two automated longwall mining systems; one for operation in a 42 to 57-inch thick section of the Lower Kittanning coal seam, the other in a 57 to 72-inch thick sectio
Jan 1, 1976
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OFR-27-89 Proceedings Of The 23rd International Conference Of Safety In Mines Research Institutes ? Session I ? Mines Fires ? Review Paper: Mine Fires
By A. F. Roberts
The subject of mine fires is a very wide one. To give reasonable coherency, the paper concentrates on the behaviour of fires in the ventilated airways of mines; spontaneous combustions are not conside
Jan 1, 1989
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Analysis Of Practical Ground Control Issues In Highwall Mining
By R. Karl Zipf, Suresh Bhatt
Highwall mining is an important coal mining method. It appears that upwards of 60 highwall miners are presently in operation, and they may account for approximately 4% of total U.S. coal production.
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OFR-34-72 Evaluation Of Horizontal Drilling Techniques In Coal Beds - 1.0 Physical Conditions - In Mines
By T. N. Williamson
Most U.S. coal production is bituminous coal. Some 90% of current production comes from a geographical area enclosed in a circle with a 300 mile radius and its center at about Huntington, West Virgini
Jan 1, 1970
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Abrasive Materials (MATERIALS MINERALS YEARBOOK-1966)
By Paul M. Ambrose
Overall the domestic abrasives industry had one of its best years in 1965. Production and value of all commodities increased over that of 1964 which also was a good year. Production of tripoli that wa
Jan 1, 1966
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IC 9143 Bureau Of Mines Cost Estimating System Handbook (In Two Parts) 2. Mineral Processing
This Bureau of Mines report and its companion report (Information Circular 9142) have been prepared to assist in the preparation of prefeasibility type estimates for capital and operating costs of ben
Jan 1, 1987
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Review Of Mining Technology (1dc40e31-63f9-4092-a148-2e045745fedc)
By James E. Hill
Tremendous improvements in mining technology have been witnessed during the past 100 years. For example, before 1860 all blastholes were drilled manually and blasting was done with low-energy black-po
Jan 1, 1966
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OFR-25(1)-83 Monitoring And Modeling Of Shallow Ground Water Systems In The Powder River Basin
By Donald Koch
The project investigated regional impacts of mining on the ground water system of the Powder River Basin by: 1) establishment of a regional ground water monitoring network, and 2)development of , set
Jan 1, 1982
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OFR-60-85 Correct Shortcomings During Trial Of Shotcrete Lining System And Demonstrate Shotcrete System
This report describes the redesign, development and field demonstration of a remote shotcrete lining system, capable of operating in shafts and mines from 8 to 16 feet in diameter at depths up to 1000
Jan 1, 1983
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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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SP 13-94 - Bureau of Mines Publications and Articles, 1992-93 with Subject and Author index
The U.S. Bureau of Mines (USBM) was established in the public interest to conclude inquiries and scientific and technologic investigations on mining and the preparation, treatment, and utilization of
Jan 1, 2007