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  • NIOSH
    IC 8623 Theoretical And Experimental Studies On The Packing Of Solid Particles: A Survey

    By R. S. Fowkes

    The degree and manner of packing of bulk materials influences all phases of their loading, such as by a front end loader or a dragline, and their mechanics of flow, such as through a binhopper or an o

    Jan 1, 1974

  • NIOSH
    RI 2152 Some Physical & Chemical Data On Colorado Oil Shale - In Cooperation with the State of Colorado

    By Leslie H. Sharp, Martin J. Gavin

    "Introduction.Investigations of the oil shales of the State of Colorado were begun February 1, 1920, by the U. S. Bureau of Mines and the State of Colorado, under cooperative agreement entered into by

    Aug 1, 1920

  • NIOSH
    Metal Operator Mining Facts ? 2006 - Mining Operations (4dcf7765-206b-461b-bf5d-3afbf0fbe5a8)

    In 2006, a total of 280 metal mining operations reported employment to the Mine Safety and Health Administration (MSHA).1 Metal mines were the smallest mining commodity sector, comprising 1.9% of all

    Sep 1, 2008

  • NIOSH
    IC 8755 Design Guide For Metal And Nonmetal Tailings Disposal

    By Roy L. Soderberg

    The Bureau of Mines has conducted substantial research on the design, construction, and operation of metal and nonmetal tailings ponds. This design guide, like related Bureau publications that precede

    Jan 1, 1977

  • NIOSH
    Barrier Pillars In The Southern Field - Anthracite Region Of Pennsylvania - Summary

    By S. H. Ash

    THE INVESTIGATION of barrier pillars in the Southern field is part of the comprehensive study of the mine water problem in the anthracite region of Pennsylvania by the Federal Bureau of Mines (1, 2, 5

    Jan 1, 1953

  • NIOSH
    IC 6446 Mining And Crushing Methods And Costs At The Limestone Mine Of The West Penn Cement Co., West Winfield, Pa. - Introduction

    By George A. Morrison

    This paper describing the methods of mining and crushing limestone at the West Winfield, Pa., limestone mine of the West Penn Cement Co., is one of a series being prepared by the Bureau of Mines on mi

    Jan 1, 1931

  • NIOSH
    RI 3573 Use Of Brine In A Kansas Field For Secondary Recovery Of Oil ? Introduction

    By C. J. Wilhelm

    Brine produced from subsurface formations may be employed successfully instead of fresh water as a flooding, medium in the secondary recovery of oil. The feasibility of this substitution has been prov

    Jan 1, 1941

  • NIOSH
    RI 3573 Use Of Brine In A Kansas Field For Secondary Recovery Of Oil ? Introduction (841ee18f-f5bf-442b-b3bf-b68defa58be5)

    By C. J. Wilhelm

    Brine produced from subsurface formations may be employed successfully instead of fresh water as a flooding, medium in the secondary recovery of oil. The feasibility of this substitution has been prov

    Jan 1, 1941

  • NIOSH
    IC 8236 Reconnaissance Of Iron Resources In Arizona

    By C. M. Harrer

    Reconnaissance investigations were made of 129 iron occurrences in Arizona to determine their extent, attitude, and potential; character samples were analyzed to determine their quality and impurities

    Jan 1, 1964

  • NIOSH
    IC 8236 Reconnaissance Of Iron Resources In Arizona (d79c4271-9fa1-489e-b56a-9a0612f1d474)

    By C. M. Harrer

    Reconnaissance investigations were made of 129 iron occurrences in Arizona to determine their extent, attitude, and potential; character samples were analyzed to determine their quality and impurities

    Jan 1, 1964

  • NIOSH
    Modification of Alveolar Macrophage Function with Bis-Basic Ethers of Fluorene and Fluoren-9-Substituted Derivatives

    By Y. H. Cheng, D. M. Lewis, V. Castranova, M. W. Barger, J. K. H. Ma, J. Y. C. Ma, W. F. Xin

    Bis-basic ethers off fluorene and fluoren-9-substituted derivatives such as tilorone have been reported to inhibit silica-induced fibrosis in rats. The potential antifibrotic potency of 2,7-bis (dieth

    Dec 1, 1996

  • NIOSH
    OFR-55-80 Analysis Of Industry Research And Development Recommendations In Mining And Reclamation Technology

    Recommendations from 44 mining industry workshops are summarized and reviewed in the context of Bureau of Mines research and development programs on-going during the period 1974-1977. Approximately 1,

    Jan 1, 1979

  • NIOSH
    IC 9059 Precious Metals Recovery From Low-Grade Resources - Proceedings: Bureau Of Mines Open Industry Briefing Session At The National Western Mining Conference, Denver, CO, February 12, 1986

    This information circular describes research the Bureau of fines has conducted to improve technology for recovering precious metals from low-grade resources. Many of the reported findings are recent,

    Jan 1, 1986

  • NIOSH
    RI 5332 Analyses Of Tipple And Delivered Samples Of Coal (Collected During The Fiscal Year 1956) ? 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, 1957

  • NIOSH
    IC 7178 Multiple-Shift Mechanical Mining In Some Bituminous-Coal Mines. Progress Report 3

    By Albert L. Toenges

    This paper is the third of a series4/ that describes some methods and practices of mining coal mechanically where operations are conducted on more than one shift. The mining of coal by means of mechan

    Jan 1, 1941

  • NIOSH
    RI 3384 Friability Of Alabama Coals ? Introduction (876a251e-e815-438f-b597-16e67f675a7f)

    By Ellis S. Hertzog

    The data published in this report cover only one phase of a special study of the physical and chemical properties of Alabama coals made by the Bureau of Mines. In addition to determinations of friabil

    Jan 1, 1938

  • NIOSH
    RI 2705 Calcium Sulphate Retarders for Portland Cement

    By Ernest E. Berger

    "INTRODUCTIONOne of the outstanding problems in the normetallic industries, and one which involves two of the greatest of these industries, cement and gypsum, is the reaction of Portland cement with c

    Sep 1, 1925

  • NIOSH
    RI 4456 Synthetic Liquid Fuels, 1948 Annual Rpt., Pt. 1 Oil from Coal

    By BUREAU OF MINES

    In 1948 the United States became a net importer of oil. Coupled with an unprecedented domestic production of 5,900,000 barrels daily, imports approximating 500,000 barrels made available a total suppl

    Jan 1, 1949

  • NIOSH
    IC 8287 Injury Experience In Coal Mining, 1963 - Analysis Of Mine Safety Factors, Related Employment, And Production Data ? Introduction (23d545a8-3452-428e-adb1-cd5e7b8a0be0)

    By Forrest T. Moyer

    To keep the mineral and allied industries informed of trends in the causes of accidents, and to point out the need for corrective measures, the Bureau of Mines collects, analyzes, and periodically pub

    Jan 1, 1966

  • NIOSH
    RI 3251 Engineering Studies And Results Of Acid Treatment Of Wells, Zwolle Oil Field, Sabine Parish, La. - Introduction

    By R. E. Heithecker

    The Zwolle oil field of Sabine Parish, La., is different from most oil producing areas of the State in that the oil is obtained from marl and chalkrock formations. The thickness of the reservoir rocks

    Jan 1, 1934