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  • NIOSH
    RI 5647 Laboratory Beneficiation Of East Texas Limonite-Siderite Iron Ores - Introduction And Summary

    By H. E. Powell

    A laboratory mineral-dressing investigation was conducted by the Federal Bureau of Mines on four limonitic and four sideritic iron ores from the North Basin of the east Texas iron-ore district. The sa

    Jan 1, 1960

  • NIOSH
    RI 6263 Recovery Of Lead And Zinc From Slimes

    By J. G. Donaldson

    A bench-scale method for recovering lead and zinc from slimes and mill tailings from the Tri-State District of Missouri, Oklahoma, and Kansas was developed by the Bureau of Mines. Dilute hydrochlo

    Jan 1, 1963

  • NIOSH
    RI 3460 Ocular Photocell For The Rapid Determination Of Projected Area Of Opaque Particles

    By George T. Faust, S. R. B. Cooke

    "The Southern Experiment Station of the Bureau of Mines, United States Department of the Interior, in cooperation with the University of Alabama, is investigating the preparation of pulverized coal fo

    Aug 1, 1939

  • NIOSH
    IC 8741 Results Of Research To Develop Guidelines For Mining Near Surface And Underground Bodies Of Water

    By Clarence O. Babcock

    This Bureau of Mines publication presents guidelines for mining near surface and underground bodies of water. The guidelines were based on information developed under contract in three phases of study

    Jan 1, 1977

  • NIOSH
    RI 6972 An Electrolytic Process For Producing Ductile Vanadium

    By K. P. V. Lei

    The Bureau of Mines investigated molten salt electrorefining 'n helium atmosphere cells as a means for the production of ductile vanadium. 'Electrolytes composed of NaCl-VCl2, LiCl-NaCl-VCl2

    Jan 1, 1967

  • NIOSH
    RI 5811 Volatilization Of Tin Chlorides From Bolivian Low-Grade Ores And Concentrates ? Summary

    By K. K. Kershner

    The purpose of this research by the Federal Bureau of Mines was to investigate the recovery of tin from mine-run ores and low-grade concentrates. Over 95 percent of the total tin in such materials was

    Jan 1, 1961

  • NIOSH
    RI 5756 Recovering Tin From Hardhead By Selective Oxidation Of Iron ? Introduction And Summary

    By D. A. Wilson

    Several promising systems for selectively oxidizing the iron in an iron-tin alloy commonly called "hardhead" were investigated in a research project conducted to devise a method for recovering tin fro

    Jan 1, 1961

  • NIOSH
    RI 7090 Hydraulic Coal Mining Research - Assessment Of Parameters Affecting The Cutting Rate Of Bituminous Coal

    By R. S. Fowkes

    Jetstream pressure distributions and coal cutting rates were determined for a number of nozzles and under different operating conditions. The jetstrearn pressure distribution data were fitted to an as

    Jan 1, 1968

  • NIOSH
    RI 3638 Some Photometric Instruments Used in X-Ray Diffraction and Spectrographic Methods of Analysis

    By HOWARD I. OSHRY, James W. Ballard, H. H. Schrenk

    Photometric instruments were designed and built for use with X- ray and spectrographic apparatus for the investigation and analysis of a variety of materials of hygienic interest . The instruments are

    Apr 1, 1942

  • NIOSH
    IC 6482 Chalk, Whiting, and Whiting Substitutes

    By Oliver Bowles

    Chalk is defined as a noncrystalline, soft, friable, fine-grained, light-colored type of limestone. It consists essentially of calcareous shells of minute organisms known as "foraminifera," although s

    Jul 1, 1931

  • NIOSH
    IC 6829 Bituminous Coal·Mine Safety Inspection Outline

    By W. J. Fene, G. W. Grove

    An important activity of the Safety Division of the Bureau of Mines , in its efforts to reduce accidents , is the safety inspection of mines . Inspections are made at the request of the operators and

    Mar 1, 1935

  • NIOSH
    Bulletin 41 Government Coal Purchases Under Specifications

    By Joseph D. Davis, GEORGE S. POPE

    This bulletin is the fourth of a series a showing the results of the purchase of coal by the Government under specifications. The work of inspecting and analyzing coal delivered on Government contract

    Jan 1, 1912

  • NIOSH
    OFR-122(5)-78 Advancing Oil Shale Mining Technology: Program Evaluation - Economic Mine Models

    By G. F. Kuncir

    This volume was prepared in support of an evaluation of the Advancing Oil Shale Mining Technology Program performed by The Aerospace Corporation under a Bureau of Mines contract. The evaluation is des

    Jan 1, 1977

  • NIOSH
    OFR-133A(1)-77 Longwall-Caving Mining Method For Thick Coal - Design And Feasibility Study - Final Report, Volume I

    By M. G. Wallis

    This report presents the results of a study to develop a detailed mining method design based on longwall mining with sublevel caving. The method is applicable to low-dipping coal seams 20 or more feet

    Jan 1, 1977

  • NIOSH
    Bulletin 157 Innovations in the Metallurgy of Lead

    By Oliver C. Ralston, Dorsey A. Lyon

    The data reported in this bulletin are largely the result of experiments conducted by the Salt Lake City station of the Bureau of Mines in cooperation with the department of metallurgical research of

    Jan 1, 1918

  • NIOSH
    Bulletin 210 Oil Shale an Historical Technical and Economic Study

    By Martin J. Gavin

    The results of investigations of the oil-shale resources of the United States were first published by the United States Geological Survey in 1915.1 Other reports 2 have followed. These reports, invest

    Jan 1, 1924

  • NIOSH
    IC 9087 Chromium-Chromite: Bureau Of Mines Assessment And Research - Proceedings Of Bureau Of Mines Briefing Held At Oregon State University, Corvallis, OR, June 4-5, 1985

    This briefing was sponsored by the Bureau of Mines to summarize ongoing and recently completed chromium-chromite research and resource assessment activities by the Bureau. Through the series of 18 pre

    Jan 1, 1986

  • NIOSH
    OFR-173-82 Development Of Improved Topsoil Handling Techniques

    By Michael Mancuso

    This report summarizes the problems of topsail handling as related to present requirements of law and current equipment availability. The most prevalent topsoiling systems are reviewed along with a li

    Jan 1, 1981

  • NIOSH
    Burning Of Coal And Coke Treated ,With Small Quantities Of Chemicals - Introduction

    By P. Nicholls

    Patent records show that the idea that the burning of fuels can be improved by mixing or pretreating them with chemicals 6 dates back to the early years of the last century. By 1845, English and Frenc

    Jan 1, 1937

  • NIOSH
    OFR-116-79 An Evaluation Of The Fire And Explosion Hazards Of Oil Shale Mining And Processing

    By R. B. Crookston

    Oil shales differ from coals in that they contain less carbonaceous material, convertible to volatile hydrocarbons, and more inorganic rock. In all pre-commercial oil shale development, involving exte

    Jan 1, 1978