Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • NIOSH
    IC 6870 Coal-Mine Explosions And Fires In The United States During The Fiscal Year Ended June 30, 1935 ? Introduction

    By D. Harrington

    The experience of the past 2 years has demonstrated clearly that mine explosions with heavy loss of life can be prevented. The investigations of the Safety Division of the United States Bureau of Mine

    Jan 1, 1936

  • NIOSH
    OFR-114-80 An Illumination System For A Shortwall Mining Section

    By Robert A. Harrow

    This report documents the results of the development and installation of an illumination system for an underground coal mine Shortwall Mining Section. Also presented are the techniques used for the ab

    Jan 1, 1979

  • NIOSH
    OFR-63-73 Time-Of-Flight Mass Spectrometer Studies Of Plane Inhibitors

    By R. G. Lett

    Gaseous products resulting from rapid pyrolysis of coal and coal/inhibitor mixture's by a ruby laser and a flash-tube were monitored on-line by time-of-flight mass spectrometry. The distribution

    Jan 1, 1973

  • NIOSH
    RI 5554 Electrowinning Tungsten And Associated Molybdenum From Scheelite - Summary

    By J. B. Zadra

    Tungsten metal, chemically equivalent to commercial grade, is produced by electrolysis of impure tungsten compounds or scheelite in an alkali, phosphate or borate electrolyte. A preliminary investigat

    Jan 1, 1959

  • NIOSH
    RI 6204 Measurements Of Surface Subsidence, San Manuel Mine, Pinal County, Ariz. ? Summary

    By George H. Johnson

    This report describes the procedures and summarizes the results of an investigation of surface subsidence above caving blocks at the San Manuel mine, San Manuel, Ariz., in order to obtain quantitative

    Jan 1, 1963

  • NIOSH
    RI 9331 - Characterization of the Rare-Earth Mineralogy at the Pea Ridge Deposit, Missouri

    By C. W. Whitten

    Iron ore deposits in south-central Missouri have emerged as a possible resource for the rare-earth elements. The Pea Ridge Iron Mine is one such deposit. Rare-earth minerals at the Pea Ridge Iron Mine

    Jan 1, 1990

  • NIOSH
    OFR-11-76 Development Of An Illumination System For Longwall Coal Mines - 1.0 Introduction

    By Gary Friedline

    As a consequence of the Coal Mine Health and Safety Act of 1969(PL91-173), the Bureau of Mines (BOM) entered into a contract with Ocean Energy Inc. (OEI) to develop, fabricate, install, and evaluate a

    Jan 1, 1975

  • NIOSH
    OFR-50-74 Air Curtain Respiratory Protection Device - 1 Introduction

    By T. G. Donnelly

    This final report summarizes the prototype development and testing of an air curtain respirotory protective device under Bureau of Mines Contract HO122087. The air curtain respiratory protective devic

    Jan 1, 1973

  • NIOSH
    OFR-152-81 Production Engineering, Development, And Demonstration Of The Draft Power Sensor - Volume I

    By H. Stanley Benson

    This report is an account of research conducted to improve the performance of and then further field test Draft Power Sensor (DPS) equipment, the use of which enables a bulldozer operator to optimize

    Jan 1, 1980

  • NIOSH
    OFR-16-79 Evaluation Of Coal Deposits In The Narragansett Basin, Massachusetts And Rhode Island

    This report summarizes the results of the Narragansett Win Projec't's activities during the U.S. Bureau of Mines (BOM) Phase 1, which was transitional from and which followed the National Sc

    Jan 1, 1979

  • NIOSH
    IC 9186 Rock Burst Research And The Coeur D?Alene District

    By Terry McMahon

    This Bureau of Mines report describes the rock burst problem and measures being taken for its alleviation in the deep underground mines of the Coeur d?Alene Mining District in northern Idaho. The geol

    Jan 1, 1988

  • NIOSH
    RI 8938 - Laboratory Processing and Characterization of Waste Materials From Manganese Nodules

    By B. W. Haynes

    This Bureau of Mines report describes the laboratory processing of manganese nodules and the results of tailings characterization obtained during the cooperative program with the Department of Commerc

    Jan 1, 1985

  • NIOSH
    OFR-44-86 Research Study On Pillar Design For Vertical Crater Retreat (VCR) Mining

    By William G. Pariseau

    The research reported here concerns a four year study of the rock mechanics aspects of two underground hardrock mine study stopes. The first study was conducted at Anaconda Minerals Company's Car

    Jan 1, 1985

  • NIOSH
    Improved Noise Measurement - The Objective:

    To be able to continuously monitor the noise to which underground workers are exposed as a better way to help prevent hearing damage. The Approach: The Bureau of Mines has developed a Time-Res

    Jan 1, 1975

  • NIOSH
    Helium (2af1a135-8295-4649-857e-48f24312c552)

    By Edwin M. Thomasson

    HELIUM SHIPMENTS in 1964 exceeded the volume shipped during the previous year for the 15th successive time. Shipments from Bureau of Mines helium plants were 667.4 million cubic feet,2 about 6 percent

    Jan 1, 1965

  • NIOSH
    Mining And Quarrying Trends In The Metal And Nonmetal Industries (1fbce22d-0e62-47f3-8d72-9aff3f7e6c80)

    By Franklin D. Cooper

    The value of nonfuel raw mineral production in the United States for 1977 increased over that of 1976 by 5%, from $16.7 billion to $17.5 billion. Metals declined by 5% from $6.1 billion to $5.8 billio

    Jan 1, 1980

  • NIOSH
    OFR-55-86 Improving The Performance Of Tunnel, Raise And Shaft Boring Machines For Coal Mine Applications

    By Levent Ozdemir

    A 6-ft. diameter laboratory tunnel, raise and shaft boring machine was designed and constructed to carry out research investigations to enhance the performance of mechanical rock excavation equipment.

    Jan 1, 1986

  • NIOSH
    RI 6210 Effects Of Water Injection On Oil Recovery In Cooke And Grayson Counties, Tex.

    By Frank Parrish

    History and performance data of 17 water-injection projects in Cooke and Grayson Counties in north Texas are presented for the purpose of studying and comparing operating practices and oil-recovery te

    Jan 1, 1963

  • NIOSH
    IC 8082 Rare-Earth Compounds As High-Temperature Refractories: A Bibliography ? Introduction And Summary

    By Sara Jane Boles

    In recent years the interest in rare-earth compounds as refractory materials has exceeded the available literature on the subject. While some basic properties, such as density and melting point, of th

    Jan 1, 1962

  • NIOSH
    RI 8477 Silver Recovery From Aircraft Scrap

    By D. Harry Chambers

    The Bureau of Mines, through a memorandum of agreement with the Department of Defense, conducted research to recover silver from aircraft scrap. Silver was recovered by an electrolytic method from sta

    Jan 1, 1980