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  • NIOSH
    RI 5320 Copper Mines And Prospects Adjacent To Landlocked Bay, Prince William Sound, Alaska ? Summary

    By Miro Mihelich

    The mines and prospects in the vicinity of Landlocked Bay, 25 miles southwest of Valdez, Alaska (fig. 1), were examined, mapped, and sampled in July and August 1955 as part of a comprehensive investig

    Jan 1, 1957

  • NIOSH
    RI 5749 Discharge Behavior In Vacuum Arc Melting ? Summary

    By F. W. Wood

    A program of research was conducted by the Bureau of Mines to investigate anomalies in electrical-discharge behavior during consumable-electrode arc melting of titanium and to study the effects of the

    Jan 1, 1961

  • NIOSH
    IC 8114 Safety Practices In Shaft Sinking And Tunneling: West Delaware Aqueduct ? Summary And Introduction

    By William Rachunis

    This publication describes the construction of 43.64 miles of underground tunnel to be used as an aqueduct, known as the West Delaware aqueduct. In the past, the accident history of tunnel operations

    Jan 1, 1962

  • NIOSH
    OFR-81-80 Mine Trailing Cables And Cable Splices

    By Robert H. King

    An analysis of low-voltage shielded trailing cables is performed to develop a method for calculating the differences in operating costs between shielded and non-shielded cables. Two types of shield co

    Jan 1, 1980

  • NIOSH
    RI 3436 Progress Reports - Metallurgical Division 29. Silver-Recovery Studies - Some Factors Affecting The Flotation Of Silver Miner ? Introduction

    By E. S. Leaver

    Experiments dealing with the dissolution of silver by cyanide from various silver minerals were reported several yews ago.4/ This work showed that the silver in some silver minerals is completely and

    Jan 1, 1939

  • NIOSH
    IC 6850 Petroleum Refineries, Including Cracking Plants, In The United States, January 1, 1935 ? Introductory Summary

    By G. R. Hopkins

    Although many small refineries were dismantled in 1934 the total number of plants, including a few under construction, increased from 604 at the beginning of the year to a new high of 638 on January 1

    Jan 1, 1935

  • NIOSH
    RI 8815 - Laboratory Tests for Selecting Wetting Agents for Coal Dust Control

    By H. William Zeller

    The Bureau of Mines is conducting research to determine whether the use of chemical surfactants improves respirable coal dust control and is evaluating laboratory test criteria for selecting effective

    Jan 1, 1983

  • NIOSH
    OFR-8-77 Effects Of Temperature And Humidity Variations On The Stability Of Coal Mine Roof Rocks - I. Introduction - A. Statement Of The Problem

    By Charles D. Haynes

    Outside air for ventilating coal mines in Alabama varies considerably in both temperature and moisture content during the year. Alternate condensation and evaporation of the moisture on mine roofs may

    Jan 1, 1975

  • NIOSH
    OFR-80(2)-77 Executive Summary - Research And Development Priorities Surface Mining Reclamation - Volume II

    By James J. Scott

    Workshops were held in eight states during the period from December 12. 1975. through June 25, 1976, under U. S. Bureau of Mines Contract to the University of Missouri-Rolla. The workshops were design

    Jan 1, 1976

  • NIOSH
    IC 8610 Summary Of Mining And Petroleum Laws Of The World (In Five Parts) 4. Africa

    By Northcutt Ely

    This volume summarizes mining and petroleum legislation in 45 African jurisdictions. Within these jurisdictions, primary attention is given to requirements that must be met in each country for acquisi

    Jan 1, 1974

  • NIOSH
    Variation in Mineral and Elemental Composition of Respirable Coal Mine Dusts by Worker Location and Coal Seam

    By R. L. Grayson, T. Simonyi, R. A. Andrel

    "The purpose or this paper is to disclose analytical, statistical, and observational results relating to mineralogy and trace elements in respirable dust samples collected from two different mines in

    Mar 1, 1989

  • NIOSH
    RI 5731 Carbonizing Properties Of Wyoming Coals ? Summary And Conclusions

    By W. S. Landers

    This report presents a study by the Federal Bureau of Mines of technical factors related to the production of special carbon and tar from selected Wyoming coals. Certain Wyoming high-volatile bitumino

    Jan 1, 1961

  • NIOSH
    RI 9591 - Suppression of Longwall Respirable Dust Using Conventional Water Sprays Inoculated With Surfactants and Polymers

    By H. W. Kilau

    The U.S. Bureau of Mines is evaluating water spray additives for the purpose of improving respirable dust control during coal mining operations, with particular emphasis on the longwall shearer. Recen

    Jan 1, 2010

  • NIOSH
    IC 9510 - A Performance Evaluation of Two Overhead Power Line Proximity Warning Devices ? Executive Summary

    By Gerald T. Homce

    Accidental contact of overhead electrical power lines by mobile equipment is a leading cause of occupational fatalities in the United States, accounting for 20% of on-the-job electrocutions. Overhead

    Jan 1, 2008

  • NIOSH
    IC 8130 Dust Control In Mining, Tunneling, And Quarrying In The United States, 1958 Through 1960 ? Summary

    By Floyd G. Anderson

    This report reviews and summarizes information on prevention and suppression of dust in mining, tunneling, and quarrying published in the United States during the years 1958 through 1960. Unpublished

    Jan 1, 1962

  • NIOSH
    IC 9360 Design Practices For Multiple-Seam Longwall Mines

    By Gregory J. Chekan

    The U.S. Bureau of Mines is investigating longwall panel and gate road layouts to increase coal recovery and reduce multiple-seam interactive problems. This report presents design practices for longwa

    Jan 1, 1993

  • NIOSH
    RI 8829 Structure and Porosity of Electrodeposited Platinum Evaluation of Four Plating Methods

    By R. P. Walters, M. J. Lynch, D. R. Flinn

    The Bureau of Mines evaluated tthhee feasibility of substituting platinum- coated metals for bulk platinum shapes as a means for conserving platinum . Platinum coatings were prepared using four differ

    Jan 1, 1965

  • NIOSH
    Bulletin 54 Foundry-Cupola Gases and Temperatures

    By A. W. BELDEN

    Among the investigations that the Bureau of Mines is conducting witha view to increasing efficiency in the utilization of fuels belonging to or for the use of the Government is an investigation of the

    Jan 1, 1913

  • NIOSH
    IC 8698 Energy Consumption In Domestic Primary Copper Production

    By Rodney D. Rosenkranz

    Energy consumption in domes tic copper production has increased nearly 60 percent in the last 10 years, reaching approximately 175 trillion Btu in 1973. Energy required to produce 1 pound of copper ro

    Jan 1, 1976

  • NIOSH
    IC 6329 Sulphur - Introduction

    By Robert H. Ridgway

    This circular outlines salient facts regarding the sulphur industry of the United States and the world. It is founded chiefly upon published information available in the literature of the subject. The

    Jan 1, 1930