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  • NIOSH
    OFR-47(1)-83 Ecological Studies On The Revegetation Process Of Surface Coal Mined Areas In North Dakota - 1. Executive Summary

    By Mohan K. Wali

    This report, the first in a series of 13 reports, provides a summary of 11 major topics on which individual reports have been prepared. These major topics are: (a) Nature of coal mine spoils, topsoils

    Jan 1, 1982

  • NIOSH
    RI 5896 Combustion At Elevated Pressures In A Spherical Vessel ? Introduction And Summary

    By Joseph Grumer

    An instrumented spherical vessel has been used for many years to study laminar combustion waves. Concurrent measurements of flame speed and pressure-rise rates have led to evaluations of burning veloc

    Jan 1, 1961

  • NIOSH
    IC 8223 Titanium In The Southeastern United States

    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
    OFR-72-84 Application Of A Portable Device For Measuring Dragline Roller Circle Track Deviations And Roller Loadings

    By R. Pallini

    The Franklin Research Center (FRO, a Division of The Franklin Institute was contracted by the U.S. Department of Energy to investigate the application of elastomeric materials for the purpose of smoot

    Jan 1, 1982

  • NIOSH
    IC 8543 Technology And Use Of Lignite - Proceedings: Bureau Of Mines-University Of North Dakota Symposium Bismarck, N. Oak., May 12-13, 1971

    This Bureau of Mines report contains the proceedings of a symposium cosponsored by the Bureau of Mines and the University of North Dakota concerning utilization and technology of Western coals and lig

    Jan 1, 1972

  • NIOSH
    RI 7347 Selection Of Anode Materials And Operating Conditions For Electro Winning Beryllium

    By D. A. Keefe, O&apos

    The electrowinning of beryllium from beryllium oxide (BeO) using a molten-salt electrolyte composed of 56 LiF-37 BeF2-7 BeO (mole-percent) was investigated. Anodes made of porous carbon were found to

    Jan 1, 1970

  • NIOSH
    IC 8186 Research And Technologic Work On Alabama Coals: An Annotated Bibliography (5c530489-7a2f-4fa5-b7b1-0f3c2a38da5d)

    By R. Q. Shotts

    Factors of geological structure and occurrence of coalbeds, plus the resulting mining conditions, have required more care in preparing coals in Alabama than in most other districts almost since mining

    Jan 1, 1963

  • NIOSH
    RI 5591 Properties Of Titanium-Vanadium-Cobalt Alloys ? Summary

    By J. D. Ramsdell

    To obtain information on the effects of cobalt on microstructure and tensile properties of titanium-vanadium-cobalt alloys, the composition ranges of 4 to 16 percent vanadium with 1 to 4 percent cobal

    Jan 1, 1960

  • NIOSH
    IC 8531 Strippable Reserves Of Bituminous Coal And Lignite In The United States

    The strippable reserves of bituminous coal and lignite in the United States were calculated in accordance with the prevailing conditions of seam thickness and depth of overburden in each of the severa

    Jan 1, 1971

  • NIOSH
    RI 8296 Preconcentration of Native Copper Ore by Electronic Sorting

    By V. R. Miller

    The Bureau of Mines developed and evaluated a detecting and sorting device to separate the copper-bearing portion from the barren portion of Michigan native copper ore in the minus 4- plus 1-inch size

    Jan 1, 1978

  • NIOSH
    IC 8077 Injury Experience In Quarrying, 1958 ? Introduction And Summary

    By John C. Machisak

    DATA ON INJURY experience at quarries and related plants of the United States are presented in this publication under the following general sections: A) General injury experience: Tables 1-4: Cont

    Jan 1, 1962

  • NIOSH
    RI 8454 Utilizing the Magnetic Fraction of Raw Refuse With Shredded Automobile Scrap in Cupola Gray Iron

    By V. R. Spironello

    The Bureau of Mines is involved in research directed toward the utilization of municipal solid waste. One of the primary objectives is the recycling of the magnetic fraction of municipal solid waste (

    Jan 1, 1980

  • NIOSH
    IC 7292 Geophysical Abstracts 117 April - June 1944 ? 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 - 116 were issued in mimeog

    Jan 1, 1944

  • NIOSH
    The World Economy: 1982 And 1983

    This section presents highlights of world economic and mineral industry performance in 1982, a year characterized by continued recession, and selected 1983 forecasts of economic indicators of importan

    Jan 1, 1983

  • NIOSH
    RI 7424 Rock Fragmentation By Creating A Thermal Inclusion With Dielectric Heating

    By K. Thirumalai

    This study forms a part of Bureau of Mines continuing research on thermal fragmentation of rocks. The potential of internal heating techniques for rock fragmentation is discussed. A concept of rock fr

    Jan 1, 1970

  • NIOSH
    RI 9454 - Vibration Testing of Off-Road Vehicle Seats

    By John C. Gagliardi, Walter K. Utt

    The U.S. Bureau of Mines, in cooperation with Carter Mining Co., conducted vibration tests of four off-road vehicle seats. The purpose of the tests was to determine which seat provided the best vibrat

    Jan 1, 1993

  • NIOSH
    IC 8174 Mining Methods And Costs, Deep Creek Zinc-Lead Mine, Goldfield Consolidated Mines Co., Stevens County, Wash.

    By Galen G. Waddell

    The Deep Creek zinc and lead mine afforded an excellent example of a relatively small underground mine operation that approached the low mining costs of large, highly mechanized mines, An open stope m

    Jan 1, 1963

  • NIOSH
    RI 7956 Ultraviolet-Visible and Infrared Emission Spectra of Propagating Methane-Coal-Dust Inhibitor Flames

    By Z. J. Fink

    Ultraviolet-visible and infrared emission spectra from propagating methane-coal-dust-inhibitor mixtures have been obtained in a 0.2-by 0.2¬by 5.3-m vertical duct over a range of flame speeds from 2 to

    Jan 1, 1974

  • NIOSH
    IC 7266 Graphite - Natural And Manufactured ? Introduction

    By G. Richards Gwinn

    The mineral graphite, a form of carbon, has been known for hundreds of years, and, was first used commercially as a coloring agent. Its true identity, however, was not recognized until the end of the

    Jan 1, 1943

  • NIOSH
    RI 8906 - Electrochemical Determination of Thermodynamic Properties of Bismuth Sesquioxide and Stannic Oxide

    By Seth C. Schaefer

    The Bureau of Mines investigated the thermodynamic properties of Bi203 (bismuth sesquioxide) and Sn02 (stannic oxide). Standard Gibbs energies of formation (AGfO) of these compounds were determined wi

    Jan 1, 1984