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  • NIOSH
    RI 3208 Review Of Fatalities In The California Petroleum Industry During The Calendar Year 1932 ? Introduction

    By R. L. Marek

    The number of persons fatally injured in the California petroleum industry, in 1932 was 24, a decrease of 6, or 20 percent from the number killed in 1931. The decrease in the number of fatalities occu

    Jan 1, 1933

  • NIOSH
    IC 7864 Peat Producers In The United States That Reported Production In 1957 ? Summary And Introduction

    By Eugene T. Sheridan

    The 24th annual survey of the peat industry by the Bureau of Mines, United States Department of the Interior, revealed that 76 producers in 20 States reported commercial production of peat in 1957. In

    Jan 1, 1958

  • NIOSH
    RI 7811 Accuracy and Precision of Several Portable Gas Detectors

    By H. B. Carroll

    This Bureau of Mines report evaluates the performance of commercially available portable instrumentation for the detection of carbon monoxide, carbon dioxide, oxygen, and methane at conditions simulat

    Jan 1, 1973

  • NIOSH
    IC 6880 Mining Methods And Costs Of The Park City Consolidated Mines Co., Park City, Utah ? Introduction

    By Gloyd M. Wiles

    The property of the Park City Consolidated Mines Co. is situated in the northeast part of the Park City dining district 1 mile east of the town of Park City. The elevation at the collar of No. 1 shaft

    Jan 1, 1936

  • NIOSH
    RI 9210 - Hydrometallurgical Recovery of Critical Metals From Hardface Alloy Grinding Waste: A Laboratory Study

    As part of the Bureau of Mines program to reduce U.S. reliance on foreign suppliers of strategic and critical metals, research was conducted to improve technology for the recovery of critical metals f

    Jan 1, 1988

  • NIOSH
    MLA 18-85 - Mineral Resources Of The Inyo Mountains Wilderness Study Area, Inyo County, California

    By Terry J. Close

    From 1981-84, Bureau of Mines personnel examined and evaluated mines and prospects in the highly mineralized 62,400 acre Inyo Mountains U. S. Bureau of Land Management (BLM) Wilderness Study Area (WSA

    Jan 1, 1985

  • NIOSH
    IC 8336 Injury Experience In The Nonmetallic Mineral Industries (Except Stone And Coal), 1961-63

    By Forrest T. Moyer

    The overall disabling work injury experience, excluding office- workers, at nometal mines and mills during the period 1961-63, as reported to the Bureau of Mines by operators, was 77 fatal and 7,201 n

    Jan 1, 1967

  • NIOSH
    IC 8252 Mercury

    By BUREAU OF MINES

    Mercury has been used by mankind since prehistoric times. It has been, and is now, widely used in industry and medicine and has unique properties which make direct substitution difficult or impossible

    Jul 1, 1964

  • NIOSH
    OFR-97(1)-75 Quick Disconnect Couplers For Trailing Cables

    Three complete connector assemblies and six separate contacts were submitted to a series of tests to establish the connectors permissibility and compliance with U. S. Bureau of Mines research Contract

    Jan 1, 1974

  • NIOSH
    IC 7290 Testing Safety Catches On Mine Cages At Some Eastern Bituminous Coal Mines ? Introduction

    By H. J. Sloman

    Mining laws of the several coal-producing Stat e with respect to safety catches on mine cages and their testing are extremely variable and generally indefinite in scope. The most specific requirements

    Jan 1, 1944

  • NIOSH
    IC 8535 Cost Analyses Of Model Mines For Strip Mining Of Coal In The United States

    This study estimates costs of producing bituminous coal and lignite by strip-mining methods in 12 hypothetical mines. Basic costs are developed by geographic area, rank of coal, and output capacity. S

    Jan 1, 1972

  • NIOSH
    IC 8837 Noise Control Of Diesel-Powered Underground Mining Machines, 1979

    [This Bureau of Mines report presents results of a survey of underground mining equipment and of two demonstration programs showing the feasibility If quieting; a load-haul-dump (LHD) machine and a pe

    Jan 1, 1980

  • NIOSH
    Contributions To The Data On Theoretical Metallurgy - IX. The Entropies Of Inorganic Substances. Revision (1940) Of Data And Methods Of Calculation - Introduction

    By K. K. Kelley

    The first bulletin (245)3 in this series, which appeared in 1932, summarized the entropy values then available for the elements and inorganic compounds, results being listed for some 150 substances. I

    Jan 1, 1941

  • NIOSH
    OFR-34-72 Evaluation Of Horizontal Drilling Techniques In Coal Beds - 1.0 Physical Conditions - In Mines

    By T. N. Williamson

    Most U.S. coal production is bituminous coal. Some 90% of current production comes from a geographical area enclosed in a circle with a 300 mile radius and its center at about Huntington, West Virgini

    Jan 1, 1970

  • NIOSH
    OFR-33-91 Mineral Investigations In The Ketchikan Mining District, Alaska, 1990: Southern Prince Of Wales Island And Vicinity - Preliminary Sample Location Maps And Descriptions

    By Kenneth M. Maas

    The U.S. Bureau of Mines began a five-year study of the 7.0 million acre Ketchikan Mining District during 1990. This study is part of the Bureau's ongoing statewide mining district evaluation pro

    Jan 1, 2011

  • NIOSH
    Continuous Measurement Of Radon For Uranium Mines

    A system to continuously measure the concentration of radon in mine ventilating air has been developed and tested in a uranium mine. In use, the air/radon mixture to be monitored is pumped through f

    Jan 1, 1978

  • NIOSH
    OFR-98-83 Evaluation Of Charged Walter Sprays For Dust Control

    By J. McCoy

    Charged sprays and fog have been evaluated for reducing respirable dust concen¬trations. Charged spray technology was reviewed for effectiveness, equipment and theoretical considerations. A mathematic

    Jan 1, 1983

  • NIOSH
    OFR-53-83 Investigation Of Extinguishing Agents For Coal Dust Explosions

    By Marcel Vanpee

    Eight extinguishing powders KCI, were tested on five types of diffusion flames. The effect of flame temperature on the inhibition efficiency was investigated by varying the oxygen index of the flame s

    Jan 1, 1982

  • NIOSH
    OFR-203-83 Coupled-Transport Membranes For Metal Separations - Phase V

    By W. C. Babcock

    This report covers Phase V of .a continuing program to apply a new liquid membrane process called coupled transport to the recovery pf metals from hydrometallurgical leach solutions. During this phase

    Jan 1, 1983

  • NIOSH
    Evaluation Of Mine Illumination Systems Using Numerical Modeling

    By Thomas Novak, Robert Goldstein

    The analysis of a machine-luminaire configuration is a time- consuming process requiring the construction of a machine mockup, installation of a designated lighting arrangement, and an extensive set o