Search Documents

  • AIME
    Wednesday Morning Session, April 24, 1940 - Minutes

    By AIME AIME

    I am happy to welcome you to the twenty-third conference of the National Open-Hearth Committee, and our joint conference with the Blast Furnace Committee, of the American Institute of Mining and Metal

    Jan 1, 1940

  • NIOSH
    OFR-106-84 Testing Jet Fans In Metal/Nonmetal Mines With Large Cross-Sectional Airways

    By M. F. Dunn

    The objective of this work was to define jet fan performance in d variety of large cross-section underground mine applications and to develop guidelines for thin performance in open airways, dead head

    Jan 1, 1983

  • NIOSH
    First-Quarter Mineral Industry Performance And Trade-Related Employment In Mining - The U.S. Economy

    Real gross national product increased at a larger-than- expected annual rate of 8.3 percent in the first quarter of 1984, with both consumption and investment spending increasing significantly in real

    Jan 1, 1984

  • SME
    NATM Through Clean Sands—The Michigan Street Experience

    By Mohamed A. Younis, Paul J. Headland, Paul H. Madsen, Vojtech Gall

    INTRODUCTION A 100 ft long, 20 ft high and 18 ft wide NATM tunnel was excavated through grouted clean sands beneath a busy city street, including a variety of existing utility lines. The new tunnel

    Jan 1, 2007

  • NIOSH
    OFR-136-78 Propagation Of EM Signal In Underground Mines

    By Terry S. Cory

    This report is a comprehensive summary of the results of the propagation measurements program conducted for the US Bureau of Mines under Contract H0366028. Data was gathered in the MF frequency range

    Jan 1, 1977

  • NIOSH
    OFR-79(1)-76 Concept Feasibility Study For Training Equipment To Improve Coal Productivity - Volume 1 Of 2

    By Anthony E. Szczuka

    Two facets of surface mining were studied: feasibility of using training simulators to increase productivity of haulage trucks, front-end loaders, and shovels; and improving the efficiency of dragline

    Jan 1, 1976

  • AIME
    Oil And Gas Developments In Arkansas in 1945

    By D. K. MACKAY

    The production of oil and gas in Arkansas is confined to two distinct and widely separated regions of the state; namely: (1) South Arkansas in the Gulf coastal plain, where 49 fields-many containing t

    Jan 1, 1946

  • NIOSH
    RI 3658 Progress Report – Metallurgical - 53 - Possible Substitutes for Nickel in the Present Five-cent coin

    By C. Travis Anderson

    "Nickel is an essential metal in stainless steel, armor plate, and nickel steels and also in nonferrous alleys, such as monel metal and cupre-nickel, which are used in marine service. Nickel is one of

    Aug 1, 1942

  • NIOSH
    Coal Mine Seismicity And Bumps: Historical Case Studies And Current Field Activity

    By Keith A. Heasley, John L. Ellenberger

    The National Institute for Occupational Safety and Health (NIOSH) has continued the research role of the former U. S. Bureau of Mines to develop techniques that will reduce the hazards in the mining w

  • ISEE
    Sources of Nitrate in Groundwater Near Roadway Rock Blasting Sites

    By David M. Langlais, Krystle Pelham

    "Explosives used in blasting operations, natural and anthropogenic sources such as septic systems,fertilizers, and decomposing vegetation can potentially contaminate groundwater with nitrate in thevic

    Jan 1, 2016

  • NIOSH
    RI 5130 Physical properties of mine rock part III

    By B. E. Blair

    "This report presents the physical properties and related geological and petrographic data of some 84 rock types from operating mines, quarries, or blasting research test sites. These fundamental rock

    Jun 1, 1955

  • DFI
    Excavation Support At Historic Buildings In An Urban Environment - A Case Study

    By Tony Mazzo

    It has often been said by consulting engineers that foundation contractors are in the business of taking risks. One would agree that the mere fact a foundation project can be budgeted, planned, engine

    Jan 1, 2003

  • NIOSH
    OFR-17-82 Field Survey Of Float Dust In Coal Mining Operations

    By J. A. Kost

    The objectives of this contract were to determine the amount, size, and deposition of float coal dust (74 x 10 microns) generated during the mining and transporting of coal in underground U.S. mining

    Jan 1, 1981

  • NIOSH
    Nature Of The Carbides Of Iron

    By L. J. E. Hofer

    THIS BULLETIN analyzes and summarizes research at the Bureau of Mines dealing with the preparation, properties, and reactions of iron carbides in the period 1948-60, part of which was sponsored by Wri

    Jan 1, 1966

  • NIOSH
    OFR-32-80 Dewatering Systems For Surface Coal Mines

    By J. E. Rourke, O&apos

    This report incorporates a review of available dewatering technology and an evaluation of its relevance to surface coal mines in the Interior Province of the United States. Guidelines for the selectio

    Jan 1, 1979

  • CIM
    Jameson Cell: The “Comeback” in Base Metals Applications Using Improved Design and Flow Sheets

    By K. E. Barnes

    "The “Jameson Cell” flotation cell was developed at Mount Isa Mines in the late 1980’s to address deficiencies in our flotation column installations. Early base metal installations had a variable reco

    Jan 1, 2006

  • AUSIMM
    Study on Utilisation of Flyash for Barrier Layer/Buffer Materials for Radioactive Waste Disposal

    About 15 per cent of total electricity (400 MkW) was generated by nuclear power plants in the world (2009) and about 36 000 tons of uranium has been mined in uranium mines annually. Radioactive waste

    Dec 6, 2010

  • NIOSH
    RI 4128 Gasification of Lignite & Subbituminous Coal - Progress Report 1945-46

    By E. O. Wagner, A. W. Koth, V. F. Parry, J. B. Goodman, D. C. Gernies

    "INTRODUCTION A commercial-scale pilot plant for gasification of lignite was completed by the Bureau of Mines at Grand Forks, N. Dak., early in 1945 as an extension of work on, gasification of low-ran

    Sep 1, 1947

  • SME
    Recovery Of Phosphate Values From Benefication Wastes

    By N. Abdel-Khalek, A. Youssef

    The tailings from beneficiation of Florida phosphate ore contain considerable phosphate values. These tailings are currently discharged into large disposal areas. More than three million tons of P2O5

    Jan 1, 2002

  • SAIMM
    Underground Haulage Selection: Shaft Or Ramp For A Small-Scale Underground Mine

    By B. Elevli

    This paper deals with the selection of alternative accesses to a podiform chromite orebody in Turkey. The most important alternatives studied in a related project have been stated as a new vertical sh

    Jan 1, 2002