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  • NIOSH
    OFR-44-74 Coal Cleaning Plant Noise And Its Control

    By E. E. Ungar

    Criteria applicable to noise in coal cleaning plants are presented, and the generally applicable noise control principles and approaches are discussed. The operating characteristics and equipment of c

    Jan 1, 1974

  • NIOSH
    RI 9225 - Causes and Control of Coal Mine Bumps

    By K. Y. Haramy

    Coal mine bumps involve the violent, rapid failure of coal and rock around a mine excavation. Deep coal mines with strong roof and floor rocks and high-stress conditions frequently experience face and

    Jan 1, 1988

  • NIOSH
    IC 6978 Mining Methods And Costs At The Mount Isa Mines, Ltd., Mount Isa, Queensland, Australia ? Introduction

    By J. Kruttschnitt

    This paper, describing the mining operations at Mount Isa Mines, is one of a series covering mining methods and costs being published by the United States Bureau of Mines. The Mount Isa property ha

    Jan 1, 1937

  • NIOSH
    RI 3508 Diesel Engines Underground - 1. - Composition Of Exhaust Gas From Engines In Proper Mechanical Condition ? Introduction

    By John C. Holtz

    Interest in the possibility of using Diesel6/ engines for haulage power in mining and tunneling is increasing in the United States, owning largely to the reported successful use of Diesel locomotives

    Jan 1, 1940

  • NIOSH
    Effects Of Water Sprays And Scrubber Exhaust On Face Methane Concentrations

    By Ch. D. Taylor

    Past studies with blowing face ventilation systems have shown that using a machine-mounted scrubber and water sprays can reduced methane levels at the face. The current research was conducted to dete

  • NIOSH
    RI 3346 Analyses Of Crude Oils From Some Fields Of Michigan ? Introduction

    By E. L. Garton

    Michigan is becoming one of the important oil-producing States of the country. The amount of crude oil produced within its boundaries has increased from only 4,000 barrels in 19253/ to nearly 16 milli

    Jan 1, 1937

  • NIOSH
    RI 3508 Diesel Engines Underground - 1. -Composition Of Exhaust Gas From Engines In Proper Mechanical Condition ? Introduction (e81faf7b-b812-45e7-87be-ecdd9889c4a2)

    By John C. Holtz

    Interest in the possibility of using Diesel6/ engines for haulage power in mining and tunneling is increasing in the United States, owing largely to the reported successful use of Diesel locomotives i

    Jan 1, 1940

  • NIOSH
    OFR-109-85 Advancement Of Cab And Canopy Design And Use In Coal Mines

    By W. W. Aljoe

    The use of protective canopies can result in canopy roofing and/or serious restrictions to operator comfort and vision. To document this experience, BCR conducted a field study of cab and canopy desig

    Jan 1, 1981

  • NIOSH
    RI 8297 Mechanical Properties of Cores Obtained From the Unleached Saline Zone, Piceance Creek Basin, Rio Blanco County, Colo.

    By Frank G. Horino

    Drill cores from 18 exploratory holes that were drilled into the unleached saline beds were tested for mechanical properties by the Bureau of Mines. Test cores were primarily selected from zones L4B,

    Jan 1, 1978

  • NIOSH
    IC 8556 Injury Experience In Coal Mining, 1968

    By Forrest T. Moyer

    The safety record of the coal-mining industry in 1968 worsened appreciably .in fatality experience but was slightly better in nonfatal-injury experience. Work fatalities in 1968 totaled 311 and occurr

    Jan 1, 1972

  • NIOSH
    Bulletin 180 Bibliography of Petroleum and Allied Substances 1917

    By E. H. BURROUCHS

    This bulletin is the third of the series of yearly petroleum bibliographies being published by the Bureau of Mines. The two preceding, Bulletin 149 and Bulletin 165, were for the years 1915 and 1916,

    Jan 1, 1920

  • NIOSH
    RI 6086 Analyses Of Tipple And Delivered Samples Of Coal (Collected During The Fiscal Year 1961) ? Introduction

    By S. J. Aresco

    The Bureau of Mines has been active in promoting the purchase of coal for Government use under specifications that define the requirements in terms of heating value of the coal, expressed in British t

    Jan 1, 1962

  • NIOSH
    RI 7036 Molten-Salt Electrorefining Vanadium Scrap

    By K. P. V. Lei

    The Bureau of Mines investigated molten-salt electrorefining as a practical method for reclaiming vanadium from vanadium scrap. An electrolytic process utilizing a KC1-LiC1-VC12 electrolyte at 615° C

    Jan 1, 1967

  • NIOSH
    OFR-23(2)-79 Study Of Methods To Improve Pillar Extraction Practices In Underground Coal Mines - Volume II - Haulage Practices In Retreat Mining ? I. Introduction

    The following pages discuss the objectives, the background, and scope of work of an industrial engineering analysis of far-,n haulage systems in underground retreat coal mining. This study ran concurr

    Jan 1, 1975

  • 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
    RI 3480 Progress Reports - Metallurgical Division - 34. Annual Report Of The Metallurgical Division, Fiscal Year 1939 ? Introduction

    By R. S. Dean

    [During the past fiscal year the Metallurgical Division has made important contributions along the lines dictated by the Bureau policy of conservation of domestic mineral resources through Its inve

    Jan 1, 1940

  • NIOSH
    IC 8223 Titanium In The Southeastern United States (f7de1f6f-fed3-463c-837d-99da0bc279a1)

    By Fred P. Giese

    Southeastern reserves of titanium ores are large, widespread, and ample for anticipated demand. The leading titanium industries are mining and beneficiating sand deposits, principally in Florida, and

    Jan 1, 1964

  • NIOSH
    RI 7734 An Automatic Data Acquisition System For Underground Measurements

    By J. R. McVey

    A 10-channel automatic data acquisition system has been designed and environmentally packaged for use with underground strain-gage applications and associated instruments. The system uses commercially

    Jan 1, 1973

  • NIOSH
    IC 8112 Industrial Silica Deposits Of The Pacific Northwest ? Summary

    By George J. Carter

    Data obtained from field and laboratory examinations were used by the Bureau of Mines to evaluate 82 silica deposits in the Pacific Northwest. A total of 94 field samples was taken from 64 deposits, a

    Jan 1, 1962

  • NIOSH
    OFR-15-87 Feasibility Of Economic Zinc, Copper, Silver And Gold Mining In The Porcupine Mining Area Of The Juneau Mining District, Alaska

    By Donald W. Baggs

    This report describes economic mining feasibility studies conducted by the Bureau of Mines to estimate mining costs in the Porcupine mining area of the Juneau Mining District, southeastern Alaska. In

    Jan 1, 1986