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  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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.

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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

  • NIOSH
    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