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  • NIOSH
    RI 7129 Shales For Lightweight Aggregate In Appalachian Region, Kentucky And Tennessee

    By Ronald P. Hollenbeck

    Shales in the Appalachian Region of Kentucky and Tennessee were sampled and tested to determine their use as raw materials for the manufacture of lightweight aggregate by the rotary-kiln method. Nine

    Jan 1, 1968

  • NIOSH
    OFR-46-87 Returning Coal Waste Underground

    By John M. Popovich

    Disposing of coal mine waste at the surface has been and continues to be a problem which has yet to be resolved within the coal mining industry. A possible solution to this problem is to return the re

    Jan 1, 1986

  • NIOSH
    OFR-77-81 A Model For The Determination Of Flyrock Range As A Function Of Shot Conditions

    By Julius Roth

    Flyrock is the source of most of the injuries and property damage in a majority of blasting accidents in surface mines. A quantitative correlation between shot conditions and maximum flyrock range can

    Jan 1, 1979

  • NIOSH
    OFR-35-76 Development Of Improved Methane Sampling System - Section I - Introduction And Summary ? A. Introduction

    By G. B. Sonneman

    This final report summarizes the work done by The Bendix Corporation, Environmental Science Division, under contract to the Bureau of Mines to design, develop and test two improved systems for remote

    Jan 1, 1975

  • NIOSH
    IC 8289 Iron And Steel Scrap In Arkansas, Kansas, Louisiana, Mississippi, Missouri, Oklahoma, And Texas

    By Frank B. Fulkerson

    A study was made of scrap iron and steel in the South Central States in order to determine trends in processing, shipment, and consumption of this important commodity. These data were derived in part

    Jan 1, 1966

  • NIOSH
    Teaching Miners: Breaking The Barriers To Learning

    By Elaine T. Cullen

    Miners, like many skilled blue-collar workers, are not traditional learners. They have not always been successful in classroom-type settings, preferring to learn on the job in a hands-on environment.

  • NIOSH
    Bulletin 209 Fusibility of Ash from Coals of the US

    By A. C. Fieldner, W. A. Selvig

    Information concerning the fusibility of coal ash has become of considerable value to the consumer of coal, mainly in connection with the troublesome formation of clinker resulting from the melting of

    Jan 1, 1922

  • NIOSH
    RI 8547 A Mixed Kinetics Dump Leaching Model for Ores Containing a Variety of Copper Sulfide Minerals

    By B. W. Madsen

    To help maintain an adequate supply of minerals to meet national economic and strategic needs, the Bureau of Mines developed a mathematical model that describes acidic ferric sulfate leaching of coppe

    Jan 1, 1981

  • NIOSH
    OFR-87-82 Poisoning Of Catalytic Methane Sensors

    By M. Kawahata

    Methane sensors using principle of catalytic oxidation of methane are employed for determination of methane content in ambient air of coal mines. Certain foreign gases or vapors in the air poison the

    Jan 1, 1981

  • NIOSH
    A New Method To Clean Dust From Soiled Work Clothes

    By J. L. Howell, D. E. Pollock, A. B. Cecala, A. D. O’Brien

    Dust from worker,s clothes has been shown to be a problematic source of personal dust exposure. A recently completed effort between NIOSH and the Unimin Corporation has resulted in a quick and effecti

  • NIOSH
    RI 7247 Preparation Of Tungsten Carbide By Electrodeposition

    By John M. Gomes

    The preparation of tungsten carbide by molten-salt electrolysis was investigated. Sodium tungstate in the electrolyte and carbon from the graphite anode were the source materials, Optimum results were

    Jan 1, 1969

  • NIOSH
    OFR-3(2)-81 Oil Shale Mining Environmental Research Program Plan - Mid Funding Level - V. II

    By F. G. Scott

    This document is a proposed program plan for mining environmental research to be conducted by the U.S. Bureau of Mines in support of industrial oil shale mining and processing. This program plan is on

    Jan 1, 1980

  • NIOSH
    IC 8118 Thickness Of Bituminous Coal And Lignite Seams Mined In 1960 ?Summary

    By W. H. Young

    The thickness of the coal seam is one of the more important items influencing the productivity and general overall efficiency of operation of a coal mine. The average thickness of coal seams mined in

    Jan 1, 1962

  • NIOSH
    Slam Risks

    Although the mining industry has achieved record-low fatalities and injuries for each of the last three years, there are still too many miners injured or killed in this nation ís mining operations.

    Jan 1, 2005

  • NIOSH
    OFR-60-78 Analysis Of Coal Preparation Plants For Applicability Of The National Electrical Code - Part I: Analysis And Review - Part II: Recommended Guidelines

    By S. Atallah

    A survey was conducted relating to the current practices for the classification of hazardous locations in coal preparation plants. Several plants processing bituminous, anthracite and lignite coal in

    Jan 1, 1977

  • NIOSH
    OFR-47-75 Evaluation Of Mining Constraints To The Revitalization Of Pennsylvania Anthracite

    The objective of this research was to evaluate the technical and economic constraints on the extraction and utilization of anthracite coal and to determine the research and development needed in order

    Jan 1, 1975

  • NIOSH
    RI 7442 Structural Models For The Design Of Mining Systems - Encasement Of Strain Gage Networks In Epoxy

    By John R. Zelonka

    Models made by encasing strain-gage networks in epoxy are described and evaluated. With this technique relatively complex models can be constructed in which any number of gages can be located and alin

    Jan 1, 1970

  • NIOSH
    RI 3543 Use Of Rock Dust In Bituminous-Coal Mines, 1930-38 (A Statistical Survey)

    By W. W. Adams

    Rock dust, as a preventive or limiting factor in explosions of gas and coal dust in bituminous-coal mines, was used in larger quantities in 1939 than in any other year except 1937 since annual figures

    Jan 1, 1940

  • NIOSH
    RI 3543 Use Of Rock Dust In Bituminous-Coal Mines, 1930-38 (A Statistical Survey) (6f99d31e-f516-4e3c-9c97-dc569c3e9251)

    By W. W. Adams

    Rock dust, as a preventive or limiting factor in explosions of gas and coal dust in bituminous-coal mines, was used in larger quantities in 1939 than in any other year except 1937 since annual figures

    Jan 1, 1940

  • NIOSH
    OFR-85-76 Development Of Illumination Systems For Low Coal Mines - 1.0 Introduction And Summary

    As a result of early experiments in underground mine illumination, the Bureau of Hines recognized the need for additional experience with the underground lighting of coal mines having low seam thickne

    Jan 1, 1976