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  • NIOSH
    IC 7969 Four Waterflooding Projects In Greenwood County, Kans., 1960 ? Introduction And Summary

    By Kenneth H. Johnston

    For the past several years, Bureau of Mines petroleum engineers have arranged tours of selected waterflooding projects for the spring meetings of the Kansas-Oklahoma Waterflood Association. These tour

    Jan 1, 1960

  • NIOSH
    Fan Selection For Large-Opening Mines: Vane-Axial Or Propeller Fans – Which To Choose?

    By R. H. Grau, R. B. Krog

    The National Institute for Occupational Safety and Health (NIOSH) has investigated the unique ventilation requirements of large-opening mines to help identify and evaluate the effectiveness of various

  • NIOSH
    Development And Application Of Reservoir Models For The Evaluation And Optimization Of Longwall Methane Control Systems

    By S. J. Schatzel, W. P. Diamond, F. Garcia

    Methane explosions have historically been one of the major causes of fatalities and injuries in underground coal mining operations. Advanced numerical models and predictive modeling approaches have th

  • NIOSH
    RI 6423 leaching copper sulfide minerals

    By Joseph A. Sutton, John D. Corrick

    The chemistry involved in the microbial dissolution of iron and copper from such sulfide minerals as pyrite, chalcopyrite, chalcocite, cove11ite, and bornite is described. The chemical criteria used t

    Jan 1, 1964

  • NIOSH
    The Modified Direct Method: A Solution For Obtaining Accurate Coal Desorption Measurements

    By W. P. Diamond

    The direct method test was developed for general mine safety applications by the U.S. Bureau of Mines in the early 1970's to measure the gas content of coal samples obtained from the relatively s

    Jan 1, 2008

  • NIOSH
    Bulletin 196 Coal-Mine Fatalities in the United States, 1919

    By Albert H. Fay

    Through the hearty cooperation of the State coal-mine inspectors, the bureau is able to present in this paper a a complete statement of the coal-mine fatalities occurring throughout the United States

    Jan 1, 1920

  • NIOSH
    RI 7996 Double Roast-Leach-Electrowinning Process for Chalcopyrite Concentrates

    By M. B. Shirts

    Numerous alternative processes have been proposed as being potentially more economical or less polluting than the traditional smelting of copper sulfide concentrates. One such process as recently deve

    Jan 1, 1975

  • NIOSH
    RI 9064 Thermodynamic Properties of Two " Manganese Silicates, Pyroxmangite and Fowlerite

    By K. O. Bennington

    The thermodynamic properties of two manganese silicates, pyroxmangite and fowlerite (zincian rhodonite), were experimentally determined by the Bureau of Mines. The standard enthalpies of formation wer

    Jan 1, 1987

  • NIOSH
    OFR-38-90 Bureau Of Mines: The Focal Point For Federal Technology Applicable To The Mining And Mineral Industries ? Executive Summary

    By Alan A. Campoli

    OD March 20, 1989, a meeting was held at the U.S. Bureau of Mines Pittsburgh Research Center at the request of Senator Pete V. Domenici of New Mexico. The purpose of the meeting was to engender a tech

    Jan 1, 2011

  • NIOSH
    Bulletin 137 The Use of Permissible Explosives in the Coal Mines of Illinois

    By JOHN W. KOSTER, JAMES R. FLEMING

    The following report is made through the Bureau of Mines as a result of the work under the cooperative agreement with the State geological survey and the engineering experiment station of the Universi

    Jan 1, 1917

  • NIOSH
    Mining Facts - 2001

    In 2001, 14,623 mining operations reported employment statistics to the Mine Safety and Health Administration (MSHA). This was an increase of 210 mining operations compared to 2000. Almost half (49%)

    May 1, 2003

  • NIOSH
    Abrasive Materials (1980)

    By W. Timothy Adams

    The production of natural abrasives varied in quantity and value compared with 1976. Output of tripoli-type materials was approximately the same in both quantity and value. Special silica stone produc

    Jan 1, 1980

  • NIOSH
    RI 9020 - Calcium Chloride-Oxygen Leaching and Metals Recovery From an Arsenical Copper-Cobalt Concentrate

    By G. A. Smyres

    A GaC12--B2 l-eachtng procedure and meEal-recovery method for treating an arsenical Cu-Co sulfide concentrate was developed by the Bureau of Mines as an alternative to smelting, which is no longer con

    Jan 1, 1986

  • NIOSH
    IC 7961 Methods And Costs Of Shaft Sinking In The Coeur D'Alene District, Shoshone County, Idaho ? Introduction And Summary

    By John R. McWilliams

    The technological and economic pattern of the U. S. mining industry has undergone a rapid and continuing change since World War II. To provide realistic up-to-date cost data and to disseminate knowled

    Jan 1, 1960

  • NIOSH
    Releasing The Energy Of Workers To Create A Safer Workplace: The Value Of Using Mentors To Enhance Safety Training

    By Elaine T. Cullen, Thomas W. Camm

    The mentor/learner model is a time-honored approach to teaching, including within the mining industry. Miners know when they see excellence and have a deep respect for experts in their field. By using

    Jan 1, 2002

  • NIOSH
    IC 6337 Specific Heat of Water Vapor at High Temperatures Derived from Explosion Experiments

    By E. D. Eastman

    There are three researches upon the specific heat of water vapor by the method of explosion that are sufficiently advanced in technique and suitable in plan to justify careful study of their results ,

    Sep 1, 1930

  • NIOSH
    OFR-48-75 The Demand For And Supply Of Manpower For The Lead And Zinc Industry In Years 1985 And 2000 ? Summary

    By Carl R. Christiansen

    The primary objectives of this project are (1) the determination of manpower demand in primary lead and zinc production for the years 1985 and 2000, and (2) the estimation of the availability of the r

    Jan 1, 1975

  • NIOSH
    OFR-31-75 Dust Collecting System For Auger Head Miners In Low Coal - Objective

    By E. C. Foster

    The project objective of this contract is to design, develop, and demonstrate a dust collecting system for auger head miners, used in coal seams 40 inches or less in height, which will reduce respirab

    Jan 1, 1974

  • NIOSH
    RI 2926 The Reduction Of Cuprous Oxide By Carbon Monoxide ? Introduction

    By Chas. G. Maier

    The bright annealing of copper is an industrial practice of considerable importance. In connection with this process, equilibrium concentrations of carbon monoxide and dioxide, which may exist in cont

    Jan 1, 1929

  • NIOSH
    IC 9063 Computer Simulation Of Oxygen Requirements For Evacuating Miners

    By John C. Edwards

    The Bureau of Mines developed a mathematical model to predict the oxygen requirements for a miner evacuating a mine. The model accounts for variations in the miner's escape speed with mine airway

    Jan 1, 1986