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  • NIOSH
    IC 6999 Laboratories That Make Assays, Analyses, And Tests On Ores, Minerals, And Other Substances ? Introduction

    By C. W. Davis

    Before listing the laboratories and the work performed there, it is proper to make clear what is done and what is not done by Federal bureaus, States, and Territories, as well as by countries to the n

    Jan 1, 1938

  • NIOSH
    RI 3369 Relation Of Dust Concentration To Depth Of Hole During Wet Drilling

    By J. B. Littlefield

    This study is one of at number conducted to determine the concentration of dust in the air during the complete cycle of operation in wet drilling; information as to various factors connected with, dri

    Jan 1, 1938

  • NIOSH
    MLA 34-81 - Mineral Investigation Of The La Panza Rare II Area (No. 5109), San Luis Obispo County, California ? Summary

    By Donald J. Barnes

    Gold was found in samples collected from Pleistocene and Holocene stream and terrace deposits. Approximately 15,000 cu yd (11,400 cu m) of small and discontinuous terrace and stream gravel deposits in

    Jan 1, 1981

  • NIOSH
    Noise controls for roof bolting machines - Introduction

    By P. Kovalchik

    The Bureau of Labor Statistics (BLS) classifies hearing loss as a separate illness category. Hearing loss accounted for 11% of all illnesses in 2005 (U.S. Department of Labor Bureau of Labor Statistic

    Jan 1, 2008

  • NIOSH
    IC 7154 Strategic Minerals Investigations - Progress Report On Exploration Of Tin Deposits ? Introduction

    In connection with tin strategic minerals investigations of the Bureau of Mines and the Geological Survey under authority of the Strategic Materials Act (Public 117, 76th Cong., 1st sess.) a study is

    Jan 1, 1941

  • NIOSH
    IC 7390 Description of the Eickhoff-Schriimlader Longwall Coal-Cutting and Loading Machine

    By EINAR M. ARENTZEN

    This information circular. deais primarily with an engineering descrip- tion of a type of longwall cutting and loading machine developed by Eick- hoff Maschinenfabrik, Bochum, Germany..: This machine

    Dec 1, 1946

  • NIOSH
    RI 9047 - Effect of Alloying Elements on Oxidation of Low-Chromium Alloys

    By Je M. Oh

    The Bureau of Mines is conducting research to determine the high temperature oxidation resistance of substitute stainless steels (SS) containing two less strategic elements, Al and Si, instead of Cr.

    Jan 1, 1986

  • NIOSH
    RI 3360 Bureau Of Mines Midget Impinger For Dust Sampling - Introduction

    By J. B. Littlefield

    The Greenburg-Smith impinger was developed at the Bureau of Mines in cooperation with the United States Public Health Service in 1922 in the course of an investigation of dust-sampling instruments ava

    Jan 1, 1937

  • NIOSH
    IC 6166 Accident Cost And Mine Safety

    By E. H. Denny

    The coal and metal mines of the United States furnish this country with a large part of the fuel and material necessary to support our industries and thus make possible the welfare and prosperity of o

    Jan 1, 1929

  • NIOSH
    RI 2779 Stream Measurement In Relation To Mine Drainage

    By Maust. E. J., W. R. Crane

    "IntroductionIn the study of mine drainage in the red iron ore mines of the Birmingham district of Alabama, an extensive series of measurements were made in order to determine the drainage from the ar

    Oct 1, 1926

  • NIOSH
    RI 9274 - Determining the Relative Toxicity and Smoke Obscuration of Combustion Products of Mine Combustibles

    By Maria I. De Rosa

    Combustible materials, when burned, produce toxic gases and smoke, which may vary dramatically from one material to another, with resultant different total toxicity and smoke obscuration levels. This

    Jan 1, 1989

  • NIOSH
    IC 6799 Mining Methods And Costs At Herron And Laster Lease, Superior, Ariz. ? Introduction

    By E. D. Gardner

    About 300 tons of gold ore per week was being produced in February 1934 by Thomas D, Herron and Con Laster from the old lake Superior and Arizona workings; the ground was leased from the Magma Copper

    Jan 1, 1934

  • NIOSH
    RI 5675 Field Test For Cesium And Rubidium ? Summary And Introduction

    By K. C. Dean

    A semiquantitative test for the presence and identification of cesium and rubidium in rocks, clays, and mineral waters has been developed by the Bureau of Mines. The test can be used in the field, as

    Jan 1, 1960

  • NIOSH
    Objectives And Constraints Of Through - The-Earth Electromagnetic Communication Systems

    By Howard E. Parkinson

    In 1969, new coal mine health and safety legislation was enacted in the United States. As a result of this legislation, the Department of Interior, Bureau of Mines has carried out communications resea

    Jan 1, 1973

  • NIOSH
    RI 6714 Copper Extraction From A Low-grade Ore By Ferrobacillus Ferrooxidans - Effect Of Environmental And Nutritional Factors

    By John D. Corrick

    The environmental and nutritional characteristics necessary for maximum copper extraction from a low-grade ore by Ferrobacillus ferrooxidans have been explored as have many of the limiting parameters.

    Jan 1, 1965

  • NIOSH
    RI 3369 Relation Of Dust Concentration To Depth Of Hole During Wet Drilling (4f739da7-f0fb-40d7-b759-3e66a04bbf5a)

    By J. B. Littlefield

    This study is one of a number conducted to determine the concentration of dust in the air during the complete cycle of operation in wet drilling information as to various factors connected with drilli

    Jan 1, 1938

  • NIOSH
    IC 6525 Mining Practice And Costs At The Vipond Mine, Timmins, Ontario, Canada ? Introduction

    By Robert E. Dye

    This paper describing the mining methods employed and setting forth prevailing, costs at the property, is one of a series being prepared by the United States Bureau of Mines dealing with properties in

    Jan 1, 1931

  • NIOSH
    RI 2189 Fuel Wastes in Oil Fields Boilers for Drilling and Production

    By A. W. Ambrose

    "Introduction.Oil-field operations have often been carried on under great stress and haste, in which the prime purpose has been to put the wells down rapidly as possible, without regard to a few of th

    Nov 1, 1920

  • NIOSH
    IC 9057 Evaluation Of Sensitive Ground Fault Interrupters For Coal Mines

    By Michael R. Yenchek

    Contacts with energized conductors are a major cause of electrocutions in underground coal mines. Sensitive ground fault interrupters (GFI's) installed on in-mine three-phase ac utilization circu

    Jan 1, 1985

  • NIOSH
    RI 5680 Flammability Limits Of Methyl Ethyl Ketone And Methyl Isobutyl Ketone In Bromochloromethane-Air Mixtures - Summary

    By M. G. Zabetakis

    At ordinary temperatures and pressures methyl ethyl ketone (MEK)-air mixtures containing between 2.0 and 11 vol.-pct. MEK and methyl isobutyl ketone (MIBK)-air mixtures containing between 1.5 and 7.5

    Jan 1, 1960