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  • NIOSH
    IC 8496 The Implications Of Urban Growth And The Minerals Industry In The Huntsville, Ala., Area

    By Donald E. Ralston

    The Huntsville study area in northeastern Alabama consists of Jackson, Limestone, Madison, and Marshall Counties. Major emphasis was placed on the Huntsville urban area in Madison County to analyze th

    Jan 1, 1970

  • NIOSH
    RI 4843 Process For Recovering Gold And Silver From Activated Carbon By Leaching And Electrolysis

    By J. B. Zadra

    The use of activated carbon for extracting gold and silver from pregnant cyanide solution and pulp has been investigated many times. The primary advantage of this use of activated carbon is that .the

    Jan 1, 1952

  • NIOSH
    IC 9045 Water-Jet-Assisted Cutting - Proceedings: Bureau Of Mines Open Industry Meeting, Pittsburgh, PA, June 21, 1984

    Greater mining productivity requires a more efficient cutting process. The cutting force available from today?s mining machines has been optimized with respect to machine size and weight. Researchers

    Jan 1, 1985

  • NIOSH
    IC 8176 Bureau Of Mines Boiler-Water Service ? Introduction (6f2e9b1e-2f49-4ea8-8219-0bf417d911f0)

    By A. A. Berk

    Other Federal agencies have been coming to the Bureau of Mines for help with the purchase and utilization of fuel, largely coal, almost since the day the Bureau was created in 1910. The requests cover

    Jan 1, 1963

  • NIOSH
    Accurate Measurement Of Low Velocity Air Currents - The Objective:

    To develop more accurate means of measuring low ventilating air velocities in underground mines to facilitate compliance with ventilation standards. The Approach: A commercially available vane

    Jan 1, 1975

  • NIOSH
    RI 7724 Continuous Heavy Liquid Concentration Of High-Clay Potash Ores

    By K. J. Liles

    The Bureau of Mines conducted laboratory semicontinuous and continuous heavy liquid tests to determine the feasibility of producing commercial-grade products from the high-clay sylvinite ores of the P

    Jan 1, 1973

  • NIOSH
    IC 7854 Exploration Development, And Costs Of The Stormy Day Tungsten Mine, Pershing County, Nev. ? Summary

    By A. C. Johnson

    This report describes exploration, development, and exploitation methods, and summarizes costs at the Stormy Day mine, which was discovered in 1941. Several shipments of tungsten ore were made in 1944

    Jan 1, 1958

  • NIOSH
    RI 6098 Rapid Determination Of Permeability In Porous Rock

    By Jerry B. F. Champlin

    The successful injection of liquids into subsurface permeable formations for production stimulation, storage, or waste disposal requires a rapid, precise, and accurate method of determining the permea

    Jan 1, 1962

  • NIOSH
    Shear Strength Evaluation of Clay-Rock Mixtures

    By Anthony T. Xannacchione, Luis E. Vallejo

    At present, there is little knowledge concerning the shear strength of clays containing floating rock particles with concentrations from 0 to 30%. In practice, the effect of rock particles is typicall

  • NIOSH
    OFR-26(2)-83 Inflow To Horizontal Drains In Tailings Embankments

    Tailings embankments can develop a high phreatic surface if the original design for the embankment does not include drainage facilities or if existing drainage facilities become ineffective. Subsequen

    Jan 1, 1982

  • NIOSH
    RI 7141 Entrained-Bed Carbonization Of Highly Fluid Bituminous Coals

    By Manuel Gomez

    Bituminous coals having maximum fluidity values in the 40- to 25,400-dial-divisions-per-minute (ddpm) range were carbonized in a continuous, entrained-bed reactor. Carbonization was conducted in an 8-

    Jan 1, 1968

  • NIOSH
    RI 8499 Characterization of Pre-1957 Avionic Scrap for Resource Recovery

    By B. W. Dunning

    This paper describes studies conducted by the Bureau of Mines to achieve its goal of developing methods for increased recovery and utilization of valuable constituents in a wide variety of domestic an

    Jan 1, 1980

  • NIOSH
    RI 3462 Notes On Large-Scale Tests Of The Explosibility Of Coal Dusts Made In The United States And Great Britain ? Introduction

    By H. P. Greenwald

    Cooperation between the Bureau of Mines of the United States Department of the Interior and the Safety in Mines Research Board of Great Britain dates from 1924. It has been intimate and has involved e

    Jan 1, 1939

  • NIOSH
    OFR-86-86 Development Of The Capacity To Assess Occupational Noise Overexposure In The Mining Industry

    By A. G. Galaitsis

    This report summarizes the work performed under the USBM Contract No. J0245001. The purpose of this work was to expand and improve the scope and accuracy of the method developed under USBM Contract No

    Jan 1, 1986

  • NIOSH
    25th International Conference On Ground Control In Mining - Field Verification Of The Roof Fall Risk Index: A Method To Assess Strata Conditions

    By Gabriel Esterhuizen, Tom Goodwin, Scott Schilling, Anthony T. Iannacchione

    The Roof Fall Risk Index (RFRI) is a new method introduced by the National Institute for Occupational Safety and Health (NIOSH) to assist the underground stone mine operator in 1) assessing defects th

  • NIOSH
    IC 8046 Trends And Outlook In The Pacific Northwest Aluminum Industry ? Summary

    By Frank B. Fulkerson

    Aluminum production in the Pacific Northwest has a new potential for expansion and increased stability of operation. This new potential results from greater availability of power; lower freight rates

    Jan 1, 1962

  • NIOSH
    OFR-108-82 Feasibility And Applicability Of Hydraulic Mining And Transport In Underground Noncoal Mines

    By William C. Cooley

    This study Identifies and evaluates deposits of noncoal minerals in the U.S. which are most amenable to be mined underground hydraulically and transported hydraulically. A method was developed to scre

    Jan 1, 1981

  • NIOSH
    IC 8651 Bureau Of Mines Energy Program, 1973

    By John D. Spencer

    Research on the development of new and improved methods for the discovery and production of oil and gas and production of fluid fuels from coal continued to be the major thrust of the Bureau of Mines

    Jan 1, 1974

  • NIOSH
    IC 7733 Survey Of Dust-Control Practices In The Coal-Mining Industry - Summary

    By R. W. Barnes

    This circular presents results of a survey conducted by the Bureau of Mines to ascertain the extent to which dust-control practices are employed in the coal-mining industry. This survey was initiated

    Jan 1, 1956

  • NIOSH
    RI 3462 Notes On Large-Scale Tests Of The Explosibility Of Coal Dusts Made In The United States And Great Britain ? Introduction (b1266efd-7925-4f4f-a818-f7977bf0993f)

    By H. P. Greenwald

    Cooperation between the Bureau of Mines of the United States Department of the Interior and the Safety in Mines Research Board of Great Britain dates from 1924. It has been intimate and has involved e

    Jan 1, 1939