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  • NIOSH
    RI 5957 Effects Of Impurities On Sintered Mullite - Summary

    By M. E. Tyrrell

    To promote greater use of abundant domestic raw materials in the manufacture of synthetic mullite, the Bureau of Mines has undertaken a comprehensive investigation to determine the effects of the impu

    Jan 1, 1962

  • NIOSH
    RI 5394 Electrolytic Separation Studies Of Nickel And Cobalt From Nicaro-Plant Products ? Summary

    By M. J. Ferrante

    Laboratory-scale tests were undertaken to examine several electrolytes for possible use in separating nickel and cobalt from products being prepared at Nicaro, Cuba. The most extensive work was done w

    Jan 1, 1958

  • NIOSH
    IC 8325 Evaluation Of Domestic Reserves And Potential Sources Of Ores Containing Copper, Lead, Zinc, And Associated Metals

    By F. D. Everett

    This report summarizes the results of a nationwide investigation completed in 1964 to determine the nonferrous base metal ore reserves and potential sources of ore and to evaluate criteria for their u

    Jan 1, 1967

  • NIOSH
    RI 3452 Studies Of Roof Movement In Coal Mines - 2. Crucible Mine Of The Crucible Fuel Co. ? Introduction (b2c06069-2efb-4770-a82c-ff6e6ca0ac43)

    By E. R. Maize

    This report is t e second of s series on roof movement in coal mines. The first (R. I. 3355)4/ dealt with convergence of roof and floor and movement of the surface accompanying and following extractio

    Jan 1, 1939

  • NIOSH
    OFR-3-76 Feasibility Of Remote Control And Development Of Remote Control Devices And Sensors ? Shuttle Car Sensor System - Supplement - Automatic Steering Control For Mine Shuttle Car (Phase I)

    By Richard L. Fowler

    An automatic steering control system was designed, installed and tested on a coal mine shuttle car. The system utilizes sensors and associated signal processing electronics developed under a previous

    Jan 1, 1975

  • NIOSH
    Aden

    Table 1.-Aden: Production of mineral commodities [ ]

    Jan 1, 1967

  • NIOSH
    RI 8563 Recovery of Byproduct Heavy Minerals From Sand and Gravel Operations in Oregon and Washington

    By G. M. Martinez

    The Bureau of Mines has investigated methods for the recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington. These heavy minerals are not currently recovered exc

    Jan 1, 1981

  • NIOSH
    Driver Visibility System For Large Mining Trucks - Objective

    Reduce the number of accidents in which large mining trucks crush objects that were not visible to the driver. Approach Improved rear view mirrors, light-bending plastic lenses, and a closed cir

    Jan 1, 1979

  • NIOSH
    OFR-33-74 Truck Fire Protection System Validation - Final Report-Executive Summary - Introduction And Summary - Introduction

    Development of automatic fire protection systems for large, mobile mine haulage equipment was initiated under Department of Interior's Bureau of Mines-FMC Corp. contract H0122053, "Improved Senso

    Jan 1, 1974

  • NIOSH
    RI 7168 Investigation Of Operating Variables In The Attrition Grinding Process

    By Martin H. Stanczyk

    Bench scale, laboratory batch attrition grinding tests were made of a coarse commercial kaolin in a stainless steel, 5-inch-diameter attrition grinding machine to study the effect of a number of basic

    Jan 1, 1968

  • NIOSH
    IC 9452 - An Underground Coal Mine Fire Preparedness And Response Checklist: The Instrument

    By Linda L. Chasko, Charles P. Lazzara, Gary Braselton, Ronald S. Conti

    Preparedness is an important element of any underground mine's strategic plan in dealing with an unexpected event, such as a fire. A fully implemented fire preparedness and response plan is esse

    Jan 1, 2000

  • NIOSH
    OFR-45-74 Effect Of Stress On Permeability Of Coal - Objectives

    By W. H. Somerton

    The basic objective of this project was to determine the permeability of coal fracture systems as a function of effective stress. The detailed steps in accomplishing this objective are given in Articl

    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-36-91 Investigation Of Rare-Earth And Associated Elements, Zane Hills Pluton, Northwestern Alaska

    By James C. Barker

    Unverified reports of rare earth element (REE) concentrations in gold placers and radioactive mineral prospects in the Zane Hills were investigated by the U.S. Bureau of Mines as part of the Alaska cr

    Jan 1, 1991

  • NIOSH
    IC 6871 How To Use Permissible Explosives Properly - Introduction

    By D. Harrington

    Probably over 95 percent of the coal production of the United States depends upon the use of explosives before it can be placed in the railroad car at the mine, and up to the present time it has been

    Jan 1, 1936

  • NIOSH
    The Asbestos Industry - Introduction

    By Oliver Bowles

    ASBESTOS is a name applied to a group of naturally fibrous minerals. As indicated in a later section devoted to a detailed discussion of the early history of asbestos, the tern may be defined as a. fi

    Jan 1, 1955

  • NIOSH
    IC 8810 Analyses Of Natural Gases, 1978 ? Introduction

    By B. J. Moore

    This publication contains analyses and related source data for 310 natural gas samples from wells and pipelines in 16 States. All of the samples were obtained and analyzed during calendar year 1978 as

    Jan 1, 1979

  • NIOSH
    RI 7388 Columbium Alloy Development With Boron, Hafnium, And Tungsten

    By H. R. Babitzke

    As part of a continuing project to develop refractory metal alloys for high-temperature structural applications, the Bureau of Mines applied solid solution and precipitation strengthening techniques t

    Jan 1, 1970

  • NIOSH
    OFR-45-84 Evaluation Of Surface Storage Facilities For Explosives, Blasting Agents And Other Explosive Materials

    By J. Roth

    The purpose of the present study is to increase the safety of explosive storage. This was accomplished by: a) review of the histories of recent and past magazine explosions to define causes and trends

    Jan 1, 1983

  • NIOSH
    RI 7902 Spark-Shower Radiance of Metal Grinding Sparks

    By John E. Kelley

    A method for measuring the spark-shower radiance of metals when abraded on a grinding wheel was developed by the Bureau of Mines for evaluating the sparking tendency of metals. The radiance was measur

    Jan 1, 1974