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  • NIOSH
    Bulletin 217 Preparation Transportation and Combustion of powdered coal

    By JOHN BUZARD

    In the following pages the writer has endeavored to give an account of the many methods, advantages, and disadvantages of preparing and burning powdered coal. For much of the information jmparted the

    Jan 1, 1923

  • NIOSH
    OFR-106(1)-85 Cost-Effectiveness Of Dust Controls Used On Unpaved Haul Roads - Volume I -- Results, Analysis, And Conclusions

    By Keith D. Rosbury

    The basic objective of this project was to determine the cost-effectiveness of dust control used on unpaved mine haul roads. Field testing was conducted at three surface coal mines (two in Wyoming, on

    Jan 1, 1983

  • 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
    Coal Dust Explosions and Their Suppression

    By Wadaw Cybulski

    The problem of coal dust explosions: Basic information about the explicability of coal dust: Main parameters of the explosibility of coal dust; Main parameters of the explosibility of coal dust; Limit

    Jan 1, 1975

  • NIOSH
    RI 3777 Wartime Application of Air-Gas Injection and Oil-Well Reconditioning in the Appalachian Region

    By Sam S. Taylor

    "INTRODUCTION This report deals with a comparatively simple application of some of the engineering principles involved in the evaluation, installation, and operation of air- or gas-injection projects

    Sep 1, 1944

  • NIOSH
    RI 4068 Catron and Sierra Counties Tin Deposits, N. Mex

    By P. L. Russell, M. E. Volin, F. L. C. Price, D. H. Mullen

    Tin deposits in Catron County, New Mexico, were explored by the Bureau of Mines under authority of the Strategic Minerals Act of August 1939. The investigation covered both lode and placer deposits an

    May 1, 1947

  • NIOSH
    IC 7338 Geophysical Abstracts 121 April - June 1945 ? Foreword

    Geophysical Abstracts 1 - 86 were issued in mimeographed form by the Bureau of Mines; Abstracts 87 - 111 were published in bulletins of the Geological Survey; Abstracts 112 - 120 were issued in mimeog

    Jan 1, 1945

  • NIOSH
    IC 6767 Use Of Airplanes In Mining And Petroleum Operations ? Introduction

    By Hugh M. Wolfin

    This Information Circular is an abstract of a manuscript which was completed in June 1933, by Mr. Hugh M. Wolflin, formerly of the U. S. Bur eau of Mines. This abstract has been prepared by Charles Wi

    Jan 1, 1934

  • NIOSH
    RI 4742 Laboratory-Scale Work On Synthesis-Gas Production

    By J. J. S. Sebastian

    The process development described in this report was carried out at the Morgantown Station of the U. S. Bureau of Mines in cooperation with West Virginia University. An experimental laboratory-scale p

    Jan 1, 1950

  • NIOSH
    RI 6739 Critical Path Planning And Scheduling Applied To Mining Operations

    By W. L. Falke

    This Bureau of Mines report illustrates critical path planning and scheduling techniques as applied to typical mining operations. Detailed examples of arrow diagramming and computer oriented applicati

    Jan 1, 1966

  • NIOSH
    OFR-22-76 Technical And Economic Study Of An Integrated Single Pass Mining System For Open Pit Mining Of Deep Oil Shale Deposits ? Phase I Report ? Section I. Summary

    By Carlie E. Banks

    Tasks during Phase I of this contract effort were performed in four principal functional areas. These were geology, hydrology, reclamation and mining. Data were gathered from literature reviews, mine

    Jan 1, 1975

  • NIOSH
    OFR-128-83 Investigation Of The Mechanics Of Mine Acid Formation In Underground Coal Mine Drainage

    By Fraser M. Walsh

    The objective of this program was to determine by laboratory experiments the kinetics and mechanics of the reactions that produce acid in coal mine drainage. The program was divided into three phases:

    Jan 1, 1982

  • NIOSH
    RI 3596 Annual Report Of The Mining Division, Fiscal Year 1941 ? Introduction (45e320f6-4812-4bab-b017-de464c0f8dac)

    The annual reports of the supervising engineers of the nine sections comprising the Mining Division are assembled here and constitute the annual report of the division. In planning activities the

    Jan 1, 1941

  • NIOSH
    RI 3596 Annual Report Of The Mining Division, Fiscal Year 1941 ? Introduction

    By Chas. F. Jackson

    The annual reports of the supervising engineers of the nine sections comprising the Mining Division are assembled here and constitute the annual report of the division. In planning activities the a

    Jan 1, 1941

  • NIOSH
  • NIOSH
    Mining And Mineral Operations In The South-Central States - A Visitor Guide ? Introduction

    Minerals are vital to any industrialized civilization. Annually, the United States uses more than 4 billion tons of new mineral materials, or about 40,000 pounds per person-about half being mineral fu

    Jan 1, 1977

  • NIOSH
    OFR-157-82 Development Of Lightweight Hydraulic Supports

    By Paul T. Alexander

    After evaluating preceding studies and designs of lightweight supports, ESD selected the all-hydraulic and the hydromechanical concepts for detailed design and fabrication. Further analysis and testin

    Jan 1, 1982

  • NIOSH
    OFR-48-77 Extensible Face Ventilation Systems - Duct And Brattice

    By David A. Monaghan

    This report describes the results of a 2-year investigation of extensible face ventilation techniques and systems for use at the working face in underground coal mines. The goal was to provide a safe

    Jan 1, 1976

  • NIOSH
    OFR-75-84 Movable Crusher Systems - Concepts And Applications

    By R. N. Johnson

    This report is a summary of the work performed for the Bureau of Mines to evaluate the feasibility and desirability of a movable in-pit crusher combined with conveyors to substantially reduce or elimi

    Jan 1, 1982

  • NIOSH
    Introduction (224f115c-6433-44d9-9ff0-9a561493ec2d)

    Research 82 highlights significant studies conducted during the past fiscal year at Bureau facilities and offices. Readers who want more information about the projects and studies summarized here can

    Jan 1, 1982