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  • NIOSH
    OFR-28-72 Systems Analysis Of An Inherently Explosion-Proof Coal Mining Operation

    The inherently explosion-proof mine (EPM) concept is based upon the non-flammability of certain combustible-oxidant-inert gas mixtures, and the effect of partial pressure of gases on physiological rea

    Jan 1, 2012

  • 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-112-79 Research Study Of Continuous Haulage From Open Pit Mines

    By W. G. Freeman

    It is unlikely, as In the past, improvement in truck efficiency and capacity can fully offset the effects of inflation, fuel costs/shortages and ever increasing haul distances. There-fore, investigati

    Jan 1, 1978

  • NIOSH
    OFR-120-78 Improved Fire Protection System For Underground Fueling Areas - Volume I

    By B. C. Christensen

    The contract objectives are (1) to develop safe practice guidelines which will minimize the chance of fires in underground fueling areas and (2) to develop a low-cost, reliable, automatic fire protect

    Jan 1, 1977

  • NIOSH
    OFR-135-77 Multilift Longwall Mining Methods For Thick Coal Design And Feasibility

    By John Wilson

    This report describes the performance of Phase I of a project to design, analyze, and demonstrate a multilift longwall mining method applicable to mining coal seams twelve (12) feet or more in thickne

    Jan 1, 1976

  • NIOSH
    IC 8309 Review Of Bureau Of Mines Coal Program, 1965 (691bde13-9114-41a4-bb5a-e36f4d515429)

    Advances were made during 19b5 in many phases of a broad program designed to increase efficiency in the mining, preparation, and utilization of coal. Also recorded were achievements in activities devo

    Jan 1, 1966

  • NIOSH
    IC 8309 Review Of Bureau Of Mines Coal Program, 1965

    Advances were made during 19b5 in many phases of a broad program designed to increase efficiency in the mining, preparation, and utilization of coal. Also recorded were achievements in activities devo

    Jan 1, 1966

  • NIOSH
    OFR-9(1)-72 Coal Mine Rescue And Survival System - Volume I - Survival Subsystem - Introduction - Contract Information

    This volume constitutes the Survival Subsystem portion of the final report for the Coal Mine Rescue and Survival System (CMR&SS) program, which was conducted by the Westinghouse Electric Corporation u

    Jan 1, 1971

  • NIOSH
    OFR-153(2)-82 Bureau Of Mines Oil Shale Data Bank - Part I - Bibliography: Volume 2 - Introduction

    By Richard E. Thill

    The Bureau of Mines' Oil Shale Data Bank (OSDB) was created in 1976 to serve as a centralized source for the storage, retrieval, and dissemination of technical literature, patents, and informatio

    Jan 1, 1982

  • NIOSH
    IC 7618 Annual Report Of Research And Technologic Work On Coal, Fiscal Year 1950 ? Introduction

    By Arno C. Fieldner

    From July 1, 1949, to July 1, 1950, the Bureau of Mines conducted the research and technologic work on coal and coal products that is summarized in this report. The research, described in this fifteen

    Jan 1, 1951

  • NIOSH
    Bulletin 139 Control of Hookworm Infection at the Deep Gold Mines of the Mother Lode, CA

    By Joseph H. White, DR. JAMES G. CUMMING

    This report presents the results of an investigation of hookworm infection in the deep gold mines of the Mother Lode, California. In this investigation 1,440 miners of the Mother Lode have been examin

    Jan 1, 1917

  • NIOSH
    RI 2956 Review of Fatalities in Calif. Petroleum Industry, 1928

    By G. B. Shea

    "In 1928, there were 47 fatal accidents in the California petroleum industry, 14.6 per cent more than occurred in 1927 when 41 men lost their lives in the drilling, producing, manufacturing, and marke

    Sep 1, 1929

  • NIOSH
    OFR-52-83 Microseismic Applications for Mining - A Practical Guide

    By Wilson Blake

    Increased application and interest in the use of microseismic monitoring to deal with ground control problems, Particularly those resulting in violent failures, has brought about the need for practica

    Jan 1, 1982

  • NIOSH
    RI 9448 - Seismicity and Stress Changes Subsequent to Destress Blasting at the Galena Mine and Implications for Stress Control Strategies (9844d375-659f-4a7e-a5c0-a9fa2020e7d7)

    By F. M. Boler

    The U.S. Bureau of Mines conducts research at the Galena Mine, Wallace, ID, with the aim of mitigating the effects of rock bursting. Destress blasting is commonly used as a stress control technique at

    Jan 1, 2010

  • NIOSH
    OFR-92-82 Feasibility Of Using Cemented Backfill In Active Underground Coal Mines To Prevent Subsidence

    By D. V. Gaffney

    This report presents the results of a three-phase investigation of the feasibility of using cemented coal waste in active underground coal mines to prevent mine subsidence. Coal caste was broadly defi

    Jan 1, 1981

  • NIOSH
    OFR-35-77 Design And Evaluation Of Improved Surface Coal Mine Overburden Handling And Coal Extraction Techniques

    By Dennis J. Callaghan

    This report is the result of information obtained from a review of related literature, personal inquiry and on-site examination of active surface coal mining operations. Four improved surface coal min

    Jan 1, 1976

  • NIOSH
    OFR-2(1)-78 Water Management In Oil Shale Mining - Volume 1- Main Text

    By A. Brown

    This report details work performed and results obtained in a study of the water management aspects of oil shale mining and retorting in the Piceance Creek Basin. Three specific sites were investigated

    Jan 1, 1977

  • NIOSH
    Third-Quarter National Economic Activity And Fourth-Quarter Outlook - Third-Quarter 1987

    By Joan Weinberg

    The economy continued to expand during the third quarter, as real GNP rose at a seasonally adjusted annual rate of 3.8%, up from 2.5% in the second quarter (table 1). Continued job gains (see below),

    Jan 1, 1987

  • NIOSH
    Innovations In Copper Leaching, Employing Ferric Sulphate-Sulphuric Acid - Introduction

    By Harmon E. Keyes

    Many organizations, including the Bureau of Mines, have made intensive studies of the application of leaching methods to relatively small low-grade disseminated deposits of copper ores, containing bot

    Jan 1, 1930

  • NIOSH
    Introduction - The Mission (c4f05563-6369-4b48-bfd4-b89ff59e3f09)

    The realization that there is a limit to our supply of domestic mineral and fuel resources, which have been taken for granted until recently, has stimulated the need for conservation and optimum utili

    Jan 1, 1975