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  • NIOSH
    RI 3439 Mount Weather Testing Adit Progress Report 1 ? Introduction

    By McHenry Mosier

    The Bureau of Mines, United States Department of the Interior, has established a testing adit on the Government reservation at Mount Weather, Virginia, to facility to research on the fundamental tats

    Jan 1, 1939

  • NIOSH
    IC 8803 Helium Resources Of The United States, 1977

    By B. J. Moore

    This Bureau of Mines publication estimates that U.S. helium resources as of January 1977 were 710 billion cubic feet. These resources are broken down into four classifications, as follows: Helium in m

    Jan 1, 1979

  • NIOSH
    RI 5193 Heat And Free-Energy Data For Tricalcium Dititanate, Sphene, Lithium Metatitanate, And Zinc-Titanium Spinel ? Introduction And Summary

    By S. S. Todd

    [The purpose of this investigation was to obtain, heat-of-formation values a four Common titanates and, to conjunction with other requisite data, to derive free-energy-of-formation values In tem pera

    Jan 1, 1956

  • NIOSH
    OFR-38-75 Electromagnetic Noise In McElroy Mine

    By M. Kanda

    Two different techniques were used to make measurements of the absolute value of electromagnetic noise in and above an operating coal mine, McElroy Mine, located near Moundsville, West Virginia. The e

    Jan 1, 1974

  • NIOSH
    OFR-59-80 Mine Materials Handling Vehicle (MMHV)

    By A. L. Foote

    This is the final report of work accomplished during 1973-75 under U. S. Bureau of Mines Contract No. H0242015, "System for Handling Underground Mine Supplies and Materials." The purpose of the contra

    Jan 1, 1978

  • NIOSH
    RI 9458 - Behavior of Simulated Longwall Gob Material

    By Reno M. Pappas, Christopher Mark

    This report presents results of a U.S. Bureau of Mines study of longwall gob material. The objective of this work was to determine material stiffness properties of the gob for use in numerical models

    Jan 1, 1993

  • NIOSH
    OFR-126-85 Improved Skips, Guide Alignment, Dynamics, And Economics

    By F. A. Penning

    Improved skips, with lightweight cylindrical bodies, have made a significant contribution to advancing mine hoisting technology. New concept skips of aluminum bodies with rubber lining; fiberglas bodi

    Jan 1, 1985

  • NIOSH
    OFR-93-82 Development Of A Continuous Methane Monitor

    By Irvin G. Burough

    Andros Analyzers Incorporated has designed and built two prototype continuous methane monitors capable of being mounted on a mining machine'. These instruments were designed for in-mine safety us

    Jan 1, 1981

  • NIOSH
    OFR-177(1)-83 Electrical-Shock Prevention - Volume I -Protection Of Maintenance Personnel

    By L. A. Morely

    The overall objective of the subject contract was to investigate the application, economic, and safety considerations of electrical-shock prevention techniques applied to surface and underground mines

    Jan 1, 1982

  • NIOSH
    Improved Electromagnetic System For Locating And Talking To Trapped Miners -(This Technology News Replaces Issue No. 10.) - Objective

    Improve the Bureau-developed system for locating and communicating with miners trapped underground following a mine disaster. Approach Include in the wireless system a portable second-generati

    Jan 1, 1981

  • NIOSH
    IC 8558 Methane Emission From U.S. Coal Mines, A Survey

    By M. C. Irani

    This survey was conducted to determine the magnitude of the methane emission and control problem in U.S. bituminous coal mines. The resultant data indicate that the emission rate for any given coalbed

    Jan 1, 1972

  • NIOSH
    RI 8274 Coal Mine Floor Heave in the Beckley Coalbed, An Analysis

    By James R. Aggson

    This Bureau of Mines report describes floor heave ground control problems that have been encountered in a new underground coal mine in West Virginia. Previous experience in the coal seam, the results

    Jan 1, 1978

  • NIOSH
    RI 7036 Molten-Salt Electrorefining Vanadium Scrap

    By K. P. V. Lei

    The Bureau of Mines investigated molten-salt electrorefining as a practical method for reclaiming vanadium from vanadium scrap. An electrolytic process utilizing a KC1-LiC1-VC12 electrolyte at 615° C

    Jan 1, 1967

  • NIOSH
    OFR-108-79 Dust Sampler Tamper-Proof Filter Cassette

    By Charles H. Etheridge

    A new filter cassette is described which can be used with Coal Mine Dust Personal Sampler Units (CFR, Title 30, Part 74). The sealed cassette design reduces the chances of sample loss due to reverse f

    Jan 1, 1978

  • NIOSH
    OFR-25(2)-73 Respirable Dust Control Manual For Underground Coal Mines - 1.0 Introduction

    By Jerome Apt

    This manual has been prepared fur the help and guidance of underground coal mine operators. It details both common and unique engineering methods by which the respirable dust, which is generated in co

    Jan 1, 1972

  • NIOSH
    OFR-32-84 Application Of Draft Power Sensor (DPS) Concepts To Pan Scrapers

    By H. S. Benson

    This report documents, from concept through field testing, the pan scraper Wheel Slip Monitor. The function of this device is to instantly warn the scraper operator of wheel slip and thus enable him t

    Jan 1, 1983

  • NIOSH
    OFR-52-74 Fire Suppression Of Mining Equipment - Introduction

    By R. H. Hiltz

    One of the major hazards in underground coal mining is fire. The inherent hazard of fire is exaggerated by the nature of coal mining restricted areas, the highly combustible nature of coal itself, and

    Jan 1, 1973

  • NIOSH
    RI 8524 Electrowinning Zinc From Zinc Chloride in Monopolar and Bipolar Fused-Salt Cells

    By S. D. Hill

    To help insure the continued viability of the minerals and materials sector of the U.S. economy, the Bureau of Mines is conducting research and disseminating technology that will result in more effici

    Jan 1, 1981

  • NIOSH
    OFR-171-83 Noise Reduction Of Chain Conveyors - Volume II

    By A. Galaitsis

    This report summarizes part of the work performed under the USBM Contract No. H0155113, "Noise Abatement of Continuous Mining Machines." It reviews, briefly, the aboveground tests performed on a Jeffr

    Jan 1, 1983

  • NIOSH
    IC 8076 Processes For Recovering Sulfur From Secondary Source Materials ? Introduction And Summary

    By B. K. Shibler

    During a research program to develop improved methods for recovering elemental sulfur and useful sulfur compounds from secondary source materials, the technical literature was searched for pertinent a

    Jan 1, 1962