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  • NIOSH
    IC 6186 Mining Methods and Costs, Alaska-Juneau Gold Mining Co., Juneau, Alaska

    By P. R. Bradley

    This paper is one of a series , dealing with mining methods and costs , sponsored and published by the U. S. Bureau of Mines . Papers of this series are written by engineers and executives of mining c

    Oct 1, 1929

  • NIOSH
    IC 8391 Dimension Stone

    By William R. Barton

    Dimension stones, with their almost infinite variety, have a broad range of properties and uses. Natural stone was beyond doubt the first mineral commodity used by man. Today dimension stone has widen

    Jan 1, 1968

  • NIOSH
    RI 4586 Magnetic Surveys In The Iron Springs District Iron County, Utah

    By Kenneth L. Cook

    From March 1944 to July 1945 the Division of Geophysical Exploration of the Federal Bureau of Mines made magnetometer surveys of some of the principal iron ore deposits of the Iron Springs district, I

    Jan 1, 1949

  • NIOSH
    Coal-Mine Accidents In The United States 1935 - Introduction

    By W. W. Adams

    In mining coal, the Nation's principal mineral fuel, loss of life has been much lower recently than in earlier years when coal mining contributed so heavily to the industrial-accident death toll

    Jan 1, 1938

  • NIOSH
    Operation Of Electrolytic Manganese Pilot Plant, Boulder City, Nev. - Part I. Pilot-Plant Operation - Introduction

    By J. H. Jacobs

    This report records a chapter in the history of the development of an electrolytic manganese industry in the United States. Nearly all the manganese requirements of the United States have been import

    Jan 1, 1946

  • 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
    A New Technique to Determine Wettability of Powders-Imbibtion Time Measurements

    By B. R. Mohal, S. Chander

    "A new technique to determine wettability of powders is presented in this paper. In this technique the times for immersion of individual particles from air into liquids, defined as imbibition times, a

    Mar 1, 1989

  • NIOSH
    IC 6740 Economic Aspects of Gold and Silver

    By Scott Turner

    The monetary metals , gold and silver , have recently been the object of such general interest that the United States Bureau of Mines has received many inquiries regarding them . Though requests for t

    Jul 1, 1933

  • NIOSH
    Highlights - Bituminous Coal And Lignite -

    The number of railroad coal cars (open top hoppers), dominated rail car orders and deliveries in 1975 according to announcements made February 11, by the Association of American Railroads and the Amer

    Jan 1, 1976

  • NIOSH
    Bulletin 204 Underground Ventilation at Butte

    By Daniel Harrington

    For several years the United States Bureau of Mines has been making a study of ventilation in metal mines, this study covering practically all the important mining districts of the country. One of the

    Jan 1, 1923

  • NIOSH
    Subject Index to Bureau of Mines Publications from July 1, 1990 to January 1, 1960 - Subject Index A-C

    "A bed, British Columbia, Canada, coal, carbonizingproperties B 510Pa., coal, washing characteristics RI 4941A' bed, Pa., coal, washing characteristics RI 4834"

    Jan 1, 1960

  • NIOSH
    Mineral Indicators - Cadmium:

    Major producers posted 25¢-per-pound increases on cadmium, raising their domestic quotes to $2.75 per pound. COBALT: Cobalt consumption in February, exclusive of salts and driers, increased by 21

    Jan 1, 1976

  • NIOSH
    RI 8942 - Application of Cast-On Ferrochrome-Based Hard Surfacings to Polystyrene Pattern Castings

    By J. S. Hansen

    To advance technology that can conserve critical materials, the Bureau of Mines investigated a cast-on hard-surfacing that wear resistance and confines alloy additions to wear-prone surfaces. Wear-res

    Jan 1, 1985

  • NIOSH
    IC 8310 Feldspar Resources And Marketing In Eastern United States (f6eb9fa4-ba20-4fbb-a5a9-7a34b0132ac1)

    By Stanley A. Feitler

    This Bureau of Mines report deals principally with the resources and economic aspects of feldspar in the United States east of the Mississippi River. Although in a strict sense, all phases of the feld

    Jan 1, 1967

  • NIOSH
    IC 8310 Feldspar Resources And Marketing In Eastern United States

    By Stanley A. Feitler

    This Bureau of Mines report deals principally with the resources and economic aspects of feldspar in the United States east of the Mississippi River. Although in a strict sense, all phases of the feld

    Jan 1, 1967

  • NIOSH
    IC 8577 The Application Of Remote Sensing To Air Pollution Detection And Measurement

    By Brian M. Harney

    The technique of remote sensing, used for many years by earth scientists, is being applied to the detection and monitoring of air pollution. Instrumentation being developed is of a very diverse nature

    Jan 1, 1973

  • NIOSH
    IC 9090 Primary Silver Availability-Market Economy Countries - A Minerals Availability Appraisal

    By E. H. Boyle

    The Bureau of Mines has evaluated the potential availability of silver from 436 mines and deposits in 41 market economy countries (MEC?s) comprising five major economic categories of deposits: predomi

    Jan 1, 1986

  • NIOSH
    RI 2669 Status of Research in Ore Dressing

    By Ernest A. Hersam

    "INTRODUCTION.Luring the year 1923 a complete survey was made of the condition of research in the reduction (milling) and concentration of ores and nonmetallic minerals - that is, up to the stage wher

    Mar 1, 1925

  • NIOSH
    RI 4825 Properties Of Colorado Oil Shale

    By K. E. Stanfield

    This report presents the results of analytical studies made on two series of oil-shale samples from the Mahogany ledge of the Green River mine the character of the various grades of oil shale that are

    Jan 1, 1951

  • NIOSH
    Introduction (90afc43a-9bbf-49a4-ad96-7149f61d31b5)

    Research 84 highlights significant studies conducted during the past fiscal year at Bureau facilities and offices. Readers who want more information about the projects and studies summarized here can

    Jan 1, 1984