Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • NIOSH
    RI 7550 Noise In Underground Coal Mines

    By J. A. Lamonica

    The Bureau of Mines conducted an environmental noise survey to determine the noise levels to which underground coal mine employees are exposed, to evaluate noise survey techniques and equipment, and t

    Jan 1, 1971

  • NIOSH
    OFR-50-84 Stress Analysis Of Wire Hoist Rope

    By George A. Costello

    A theoretical analysis is presented for the static and dynamic response of wire rope in deep-shaft mining operations. Expressions for the stresses in the individual wires of complex wire ropes are der

    Jan 1, 1983

  • NIOSH
    Control Of Dust In Hard-Rock Tunnels

    In This Chapter [Finding the dust source Ventilation and dust collector malfunctions Upgrading the dust controls Design stage ventilation planning ] This chapter explains how to r

    Jan 6, 2003

  • NIOSH
    Fire-Generated Smoke Rollback Through Cross Cut From Return To Intake – Experimental And CFD Study

    By R. A. Franks, G. F. Friel, J. C. Edwards, L. Yuan

    Two mine-fire experiments were conducted in the National Institute for Occupational Safety and Health's (NIOSH) Safety Research Coal Mine (SRCM) at the Pittsburgh Research Laboratory (PRL) which

  • NIOSH
    IC 8099 Use Of High-Speed Data Reduction And Processing In The Mineral Industry ? Summary And Introduction

    By Richard F. Hewlett

    The purpose of this Bureau of Mines paper is to provide the mineral industry with current information on high-speed data processing and to illustrate how some of these techniques can be applied to the

    Jan 1, 1962

  • NIOSH
    RI 8275 Instrument To Measure the Initial Deformation of Rock Around Underground Openings

    By Michael J. Beus

    This Bureau of Mines report describes a tunnel stress relaxation gage (TSR) developed to measure initial radial displacement around full-sized underground openings. The TSR technique was shown to b

    Jan 1, 1978

  • NIOSH
    MLA 146-82 - Mineral Investigations Of The Blanco Mountain Rare II Area (No. 5059), Inyo And Mono Counties, California ? Summary

    By Steven W. Schmauch

    A mineral survey by the U.S. Bureau of Mines and U.S. Geological Survey indicate the Blanco Mountain RARE II area has low potential. Lode deposits consist of small, mineralized quartz or quartz-gossan

    Jan 1, 1982

  • NIOSH
    OFR-25-82 Land Reclamation As Sculpture

    By David Allen Jones

    A depleted county gravel pit was rehabilitated by contracting an artist to convert it into sculpture, rather than using traditional reclamation methods. The sculptor's ideas were generally implem

    Jan 1, 1981

  • NIOSH
    RI 9329 - Flywheel-Powered Shuttle Car

    By John R. Bartels

    This U.S. Bureau of Mines report describes the development, system by system evaluation, and preliminary surface testing of a flywheel-powered shuttle car (FPSC). The use of a self-contained flywheel-

    Jan 1, 1991

  • NIOSH
    OFR-25-75 Analytical Investigations Of Electromagnetic Location Schemes Relevant To Mine Rescue - Part I - Executive Summary (0a560091-e5ee-4fd2-bacd-1488cc050f0d)

    By David A. Hill

    This volume contains a summary of the results of past analyses on U.S. Bureau of Mines Contract No. 80122061 which are relevant to electromagnetic location in mine rescue situations. The analytical re

    Jan 1, 1974

  • NIOSH
    RI 9325 - Mitigating Destructive Longwall Bumps Through Conventional Gate Entry Design

    By Alan A. Campoli

    The U.S. Bureau of Mines evaluated two different conventionallongwall gate entry systems in the Southern Appalachian Basin, where mining and geologic conditions are conducive for coal pillar bumps. Th

    Jan 1, 1990

  • NIOSH
    OFR-19(3)-74 A Study Of Underground Mine Heat Sources - Phase III, Underground Mine Air-Cooling Practices

    By Floyd C. Bossard

    Major air-cooling facilities have been installed and are operating underground in U.S. copper mines (at Butte, Montana and Superior, Arizona), South African gold mines, European coal mines, Zambian co

    Jan 1, 1973

  • NIOSH
    RI 7329 Energetics Of Percussive Drills-Longitudinal Strain Energy

    By Robert G. Lundquist

    The Bureau of Mines compared longitudinal strain energy output of a percussive drill to energy determined by measuring maximum piston velocity. Strain gages were used to determine the strain-time wave

    Jan 1, 1969

  • NIOSH
    MLA 64-87 - Mineral Resources Of The South Boise Yuba Study Area And Additions, Blaine, Camas, And Elmore Counties, Idaho ? Summary

    By Francis E. Federspiel

    In 1984 and 1985, at the request of the U.S. Forest Service, the U.S. Bureau of Mines examined the 87,720-acre South Boise Yuba study area (formerly known as RARE II Wilderness Recommended area I-4553

    Jan 1, 1987

  • NIOSH
    OFR-59-88 The Potential Impact Of Acid Rain Legislation On The Domestic Aluminum Smelting Industry: Methodology And Documentation ? 1. Introduction - 1.1 Purpose

    By Donald R. Alvic

    For electric utilities serving the aluminum smelter industry in the United States, sulfur oxide (SOx) abatement legislation could bring about increases in the costs of generating electricity. This pap

    Jan 1, 1988

  • NIOSH
    Washability of Ultrafine Coal

    By R. Hogg, T. F. Dumm

    "Abstract - With increasing interest in the physical cleaning of fine coal, there is a need for extension of the sink float analysis procedure to finer sizes. Problems arise, however, in ensuring comp

    Jan 1, 1988

  • NIOSH
    OFR-16-79 Evaluation Of Coal Deposits In The Narragansett Basin, Massachusetts And Rhode Island

    This report summarizes the results of the Narragansett Win Projec't's activities during the U.S. Bureau of Mines (BOM) Phase 1, which was transitional from and which followed the National Sc

    Jan 1, 1979

  • NIOSH
    RI 5071 Laboratory Evaluation Of Vacuum Flotation For Cleaning Coal Fines ? Introduction And Summary

    By H. L. Riley

    Cleaning and handling of fine coal are generally conceded to be more difficult problems than preparation of the coarser sizes. Increased mechanization in the coal-mining industry has, in general, resu

    Jan 1, 1954

  • NIOSH
    RI 3548 Activated Carbon From Coal Refuse For Water Purification ? Introduction

    By S. J. Broderick

    [Xuge d-mp heap co:lt:.ini9: tilcu?:na3s of tons of cad ~eP~se 2r3 a failiar sight in coal-mininc regior@:. T5ey reprecei~t considergole economic 1083, are very l.u.,si~hC,ly, ?:ld t?ke un m-lch vaL-x

    Jan 1, 1941

  • NIOSH
    OFR-18-93 Manganese Retention In Simulated Wetlands: An Exploration Of Design Parameters

    By L. R. Stark

    Two wetland simulation experiments were carried out in order to determine the effects on manganese retention of several wetland design parameters, including flow rate, inlet pH, carbon supplementation

    Jan 1, 1993