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  • NIOSH
    RI 6308 Determination of Cobalt and Nickel in Tungsten by a Combined Ion-Exchange X-Ray Spectrographic Method

    By T. E. Green, E. F. Spano, W. J. Campbell

    A combined ion - exchange X- ray spectrographic method was developed and evaluated for determining trace amounts of cobalt and nickel in high - purity tungsten and tungsten trioxide . The sensitivity

    Jan 1, 1963

  • NIOSH
    IC 8555 Injury Experience In Coal Mining, 1967

    By Forrest T. Moyer

    Injury experience at coal mines and mechanical-cleaning plants (excluding officeworkers ) in 1967 was 222 fatal and 10,115 nonfatal disabling work injuries during an exposure time of 241.8 million man

    Jan 1, 1972

  • NIOSH
    Upgrading Junk Auto Shredder Rejects

    By L. J. Froisland

    Water classification and heavy-media sink-float methods were investigated for concentrating metallic junk automobile shredder rejects initially upgraded to about 75-percent metal content in an air elu

    Jan 1, 1972

  • NIOSH
    IC 7330 Coal-Mine Explosions And Coal- And Metal-Mine Fires In The United States During The Fiscal Year Ended June 30, 1944 ? Introduction

    By D. Harrington

    Although the explosion-fatality record for the fiscal year 1944 showed considerable improvement over those of the preceding 4 years, it is still fur from creditable, and the coal-mining industry and a

    Jan 1, 1945

  • NIOSH
    OFR-159-77 High Resolution Seismic Exploration For Geological Faults In Coal Seams

    By Marshal Scherba

    Coal seams approximately 7 feet, 9 feet and 20 feet thick at depths of 250, 600 and 1,000 feet respectively were detected using high resolution seismic reflection techniques. Investigation of seismic

    Jan 1, 1977

  • NIOSH
    OFR-57(2)-84 Development Of Guidelines For Rescue Chambers, Volume II, Appendices

    By John F. McCoy

    The United States Bureau of Mines (USBM) awarded a contract to Foster-Miller Associates, Inc. (FMA) to develop guidelines for designing, constructing, stocking and maintaining rescue chambers in under

    Jan 1, 1983

  • NIOSH
    IC 6468 Iceland Apar and Optical Fluorite

    By H. Herbert Hughes

    Iceland spar is a variety of calcite ( calcium carbonate ) characterized by its purity , transparency , and perfection of crystalline structure . It takes its name from the country in which it was dis

    Jul 1, 1931

  • NIOSH
    RI 3201 Explosive Shattering of Minerals

    By R. S. Dean, John Gross

    "In a preliminary report made a year ago it was shown that certain minerals when subjected to heating with water under high pressure and temperature were shattered upon the sudden release of that pres

    Feb 1, 1933

  • NIOSH
    RI 7038 Load-Displacement Measurement In A Backfilled Stope Of A Deep Vein Mine

    By D. R. Corson

    The Bureau of Mines instrumented an operating stope in a deep vein mine to determine the amount of wall closure and the magnitude of loads imposed on a backfilled stope. Hydraulic pressure cells used

    Jan 1, 1967

  • NIOSH
    MLA 53-83 - Mineral Investigation Of The Italian Peak Rare II Area (No. I-1945), Beaverhead County, Montana, And Italian Peak Middle Rare II Area (No. M-4945), Clark And Lemhi Counties, Idaho - Summary

    By Robert H. Lambeth

    There are no identified mineral resources in the Italian Peak RARE II areas, and there are no producing or developing mines within or adjacent to the study area. Several prospects are in RARE II area

    Jan 1, 1983

  • NIOSH
    RI 7617 Recovery Of Aluminum, Base, And Precious Metals From Electronic Scrap

    By T. A. Sullivan

    The processing of sweated aluminum electronic scrap was investigated to develop methods for recovering the aluminum and concentrating the other metals, including copper, lead, gold, and silver, into a

    Jan 1, 1972

  • NIOSH
    RI 8382 Superplasticity in Selected Magnesium-Base Alloys

    By M. M. Tilman

    Etchants containing hexavalent chromium and sulfuric acid are used in a variety of surface-finishing operations. When the resultant spent solutions are discarded, substantial quantities of chromium ar

    Jan 1, 1979

  • NIOSH
    RI 9333 - Evaluation of the Safety of the CSE SR-100 Self-Contained Self-Rescuer

    By R. W. Watson

    A belt-wearable self-contained self-rescuer (SCSR) manufactured by the CSE Corp. and designated the "SR-1OO" was evaluated for safety in the underground mine environment by the U.S. Bureau of Mines. T

    Jan 1, 1991

  • NIOSH
    RI 9326 - Mining Machine Orientation Control Based on Inertial, Gravitational, and Magnetic Sensors

    By John J. Sammarco

    The U.S. Bureau of Mines seeks to increase safety and efficiency in U.S. coal mines. One approach is to develop technology for automation of a continuous mining machine. Realization of an autonomous m

    Jan 1, 1990

  • NIOSH
    OFR-32(1)-83 Safety Analysis Of The Blind Shaft Borer - Volume 1. Summary Report

    By C. A. Geffen-Fowler

    This report, sponsored by the Bureau of Mines, presents the results of an examination of the safety of the Blind Shaft Borer (BSB) shaft sinking system and an alternative modified BSB design concept i

    Jan 1, 1981

  • NIOSH
    RI 7321 Sampling And Coking Studies Of Several Coalbeds In The Kokolik River, Kukpowruk River, And Cape Beaufort Areas Of Arctic Northwestern Alaska

    By R. S. Warfield

    Several reconnaissance-type surface and drill core samples of Arctic Northwestern Alaska coals were taken during the summer field seasons of 1964 and 1966 for coking studies. Surface samples were take

    Jan 1, 1969

  • NIOSH
    RI 9584 - A Profile of Workers' Experiences and Preparedness in Responding to Underground Mine Fires

    By Charles Vaught, Richard S. Fowkes, Ronald S. Conti, Barbara Fotta, William J. Wiehagen

    The purpose of this study was to determine mine workers' state of fire-fighting preparedness and the technology being used to detect and respond to underground coal mine fires. To investigate thi

    Jan 1, 1995

  • NIOSH
    IC 8881 Minerals Data Source Directory

    The Minerals Data Source Directory is a compilation of descriptive information on the availability, content, and location of minerals data in the Federal Government. It is intended to assist Governmen

    Jan 1, 1982

  • NIOSH
    OFR-52-74 Fire Suppression Of Mining Equipment - Introduction

    By R. H. Hiltz

    One of the major hazards in underground coal mining is fire. The inherent hazard of fire is exaggerated by the nature of coal mining restricted areas, the highly combustible nature of coal itself, and

    Jan 1, 1973

  • NIOSH
    IC 7018 Mine Safety Board Decision 29 - Doors For Controlling Ventilation In Coal Mines

    In the interest of safety in underground coal mining, the Bureau of Mines recommends: 1. That doors used to control ventilation (a) Shall be installed in pairs to form air locks, (b) Shall b

    Jan 1, 1938