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  • NIOSH
    RI 9560 - In Situ Stress At The Lucky Friday Mine (In Four Parts) 2. Analysis of Overcore Measurement From 5300 Level

    By J. K. Whyatt

    The U.S. Bureau of Mines conducted an overcore stress measurement on the 5300 level of the Lucky Friday Mine, Mullan, ID, to investigate the stress regime around an experimental stope in a rock-burst-

    Jan 1, 2010

  • NIOSH
    RI 4188 Sidney Mine, Pine Creek Area, Shosone Co, ID

    By Robert J. Hundhausen, Robert M. Gammell

    "INTRODUCTION Several mining properties in the Pine Creek area of the Coeur d'Alene mining region of Idaho were examined by engineers 3/ of the Bureau of Mines in 1942. As a result, a broad program of

    Feb 1, 1948

  • NIOSH
    OFR-96(1)-80 Engineering Study Of Structural Geologic Features Of The Herrin (No. 6) Coal And Associated Rock In Illinois - Volume I - Summary Report

    By H. -F. Krausse

    Roof failures in underground coal mines are related to the lithology and geologic structure of the roof. There are two distinct suites of roof rock above the Herrin (No. 6) Coal in Illinois, and each

    Jan 1, 1979

  • NIOSH
    IC 7055 Annual Report Of The Mining Division, Fiscal Year 1938 - Introduction

    The annual reports of the supervising engineer of the seven sections comprising the Mining Division are assembled in the following pages and form the annual report of the division. In planning acti

    Jan 1, 1939

  • NIOSH
    RI 2570 A Float-And-Sink Method And Apparatus For Testing Coarse-Size Coal

    By Byron M. Bird, Earl R. McMillan

    "The method and apparatus described herein was developed at the Northwest experiment station of the Bureau of Mines, Interior Department, in cooperative research work with the University of Washington

    Feb 1, 1924

  • NIOSH
    RI 3425 Progress Reports -Metallurgical Division ? 27. Ore-Testing Studies, 1937-38 (Special Methods Of Analysis And Testing And Details Of Tests On Various Ores.)

    By C. W. Davis

    This report follows the same general scheme as did its predecessors; it begins with a dissertation on some phase of ore-testing, continues with results of investigations of ore-treatment methods and o

    Jan 1, 1938

  • NIOSH
    RI 3425 Progress Reports - Metallurgical Division ? 27. Ore-Testing Studies, 1937-38 - (Special Methods Of Analysis And Testing And Details Of Tests On Various Ores.) ? Introduction And Summary

    By C. W. Davis

    This report follows the same general scheme as did its predecessors; it begins with a dissertation on some phase of ore-testing, continues with results of investigations of ore-treatment methods and o

    Jan 1, 1938

  • NIOSH
    IC 8479 Review Of Bureau Of Mines Coal Program, 1969 ? Introduction

    By John D. Spencer

    Projects aimed at achieving the least disturbance to the Nation's air, water, and land resources in the mining and utilization of coal continued to be a feature of the Bureau of Mines coal progra

    Jan 1, 1970

  • NIOSH
    RI 8972 - Field Measurement and Finite-Element Modeling of Circular and Rectangular Shaft Shapes in the Coeur d'Alene Mining District, Idaho

    By Michael J. Beus

    This Bureau of Mines report describes a field experiment involving the sinking of two test shafts to directly compare the deformational behavior of circular and rectangular shapes. Results show that t

    Jan 1, 1985

  • NIOSH
    RI 3162 Motor Gasoline Survey, August, 1931 Part I -Specification Data

    By A. J. Kraemer

    The twenty-fourth of a series of semiannual surveys pertaining to motor gasoline marketed in the United States was made by the Bureau of Mines in August, 1931. The first part of a report giving the re

    Jan 1, 1932

  • NIOSH
    RI 8535 Treatment of Florida Surface Waters for Use in Phosphate Beneficiation

    By D. A. Stanley

    The Bureau of Mines conducted laboratory-scale experiments to determine whether or not surface waters with a high organic content could be purified sufficiently to be used to replace the natural high-

    Jan 1, 1981

  • NIOSH
    RI 4460 Explosive Properties Of Hydrazine

    By Frank E. Scott

    During the past year interest in the use of hydrazine and hydrazine hydrate as a fuel has increased in the United States; For this reason it was felt to be desirable to obtain information on the explo

    Jan 1, 1949

  • NIOSH
    IC 7808 Auxiliary And Supplemental Mine Rescue Equipment ? Summary And Introduction

    By W. Dan Walker

    In recent years the Federal Bureau of Mines tested and approved four new types of self-contained breathing apparatus and a facepiece designed for use with the McCaa 2-hour self-contained oxygen breath

    Jan 1, 1957

  • NIOSH
    OFR-110-85 Improved Oxygen Sources For Breathing Apparatus - Final Report

    By Peter C. Wood

    This report describes research directed toward the preparation of chemical oxygen (02) sources which exhibited improved 02 storage and reaction characteristics when compared to potassium superoxide (K

    Jan 1, 1983

  • NIOSH
    RI 4498 Pilot-Plant Production Of Steel From Sponge Iron

    By W. W. Stephens

    As part of the Bureau of Mines program directed toward more effective utilization of the mineral resources of the United States, a number of processes for production of sponge iron have been investiga

    Jan 1, 1949

  • NIOSH
    IC 9386 A Personal Computer Program And Spreadsheet For Calculating The Coal Mine Roof Rating (CMRR)

    By Jennifer Riefenberg

    A family of personal computer programs that calculate the Coal Mine Roof Rating (CMRR) has been developed by the U.S. Bureau of Mines. The CMRR rock mass classification system provides a link between

    Jan 1, 1994

  • NIOSH
    Thermodynamic, Electrical, Physical, And Compositional Properties Of Seeded Coal Combustion Products

    By H. F. Feldmann

    This work was done to provide thermodynamic, electrical, physical, and compositional data on the seeded combustion plasmas of seven coals for the design of MHD generators. The systems were assumed to

    Jan 1, 1970

  • NIOSH
    RI 9571 - In-Mine Evaluation of Catalyzed Diesel Particulate Filters at Two Underground Metal Mines

    By Winthrop F. Watts

    The U.S. Bureau of Mines evaluated the performance of a catalyzed diesel particulate filter (CDPF) and a CDPF combined with a diesel oxidation catalyst (DOC) at two metal mines. This report describes

    Jan 1, 2010

  • NIOSH
    OFR-48-76 Design Of Reuseable Explosion-Proof Bulkheads For Crosscut Refuge Chamber ? Summary

    By Kenneth R. Maser

    This report describes a research and development program sponsored by the United State s Bureau of Mines. The purpose of the program was to develop reusable explosion-proof bulkheads for a cross-cut e

    Jan 1, 1975

  • NIOSH
    Inertial, Gravitation, Centrifugal and Thermal Collection Techniques

    By V. A. Marple, K. L. Rubow, B. A. Olson

    "INTRODUCTION Inertial classification, gravitational sedimentation centrifugation, and thermal precipitation arc techniques that can be used to collect particles for subsequent analysis or for particl

    Nov 1, 1995