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  • NIOSH
    RI 6211 Physical And Chemical Properties Of Some Pacific Northwest Halloysitic Clays

    By Hal J. Kelly

    A number of problems that developed in processing the halloysitic clays of eastern Washington and northern Idaho were investigated by the Bureau of Mines. The deflocculating effect of tetra sodium pyr

    Jan 1, 1963

  • NIOSH
    OFR-53-77 Analytical Investigation Of Electromagnetic Fields In Mine Environments - Preface

    By James R. Wait

    An attempt is made here to collect together various reports and publications that are based on research supported all or in part by Contract No. H0155008 for the past two years. The subject matter dea

    Jan 1, 1976

  • NIOSH
    Mineral Commodity Summaries 1980 - An Up-To-Date Summary Of 91 Mineral Commodities ? Aluminum

    1. Domestic Production and Use: In 1979, 12 companies operated 32 primary aluminum reduction plants, with 3 firms accounting for 64% of production. Washington, Oregon and Montana accounted for 32% of

    Jan 1, 1980

  • NIOSH
    RI 4271 Manufacture Of Sponge Iron In Ceramic Tunnel Kilns

    By V. H. Gottschalk

    Sponge iron is a product resulting from the reduction of an iron oxide below the temperature at which the product melts. Commercial grades usually contain 80 to 95 percent metallic iron, 2 to 5 percen

    Jan 1, 1948

  • NIOSH
    OFR-118-76 Heap Leaching Studies On Uranium Ore

    By Robert C. Merritt

    Laboratory amenability studies as well as a pilot heap-leaching investigation of low-grade sandstone uranium ores from Wyoming, New Mexico, and Colorado are described. Sulfuric acid heap leaching with

    Jan 1, 1976

  • NIOSH
    OFR-22-73 Fatality Analysis Data Base Development - Description Of The Study - Background Of The Study

    This report summarizes the results of a research project entitled "Fatal Accident Data Base Development." This project is the last project under Contract No. S0110601. Volumes I and 1I, "Industrial En

    Jan 1, 1972

  • NIOSH
    RI 3860 Examination & Treatment of Industrial Magnesium Foundry Wastes

    By O. C. Garst

    "The lightness and relatively high strength per unit weight of certain magnesium alloys have interested designing engineers for many years. Ever since the noted investigator Bunsen3/ first produced th

    Mar 1, 1946

  • NIOSH
    Bulletin 149 Bibliography of Petroleum and Allied Substances 1915

    By E. H. Burroughs

    Persons interested in th_e study of petroleum and allied substances have long felt the need of a bibliographic index to the literature. This bibliography, which is intended to be the first elf a yearl

    Jan 1, 1918

  • NIOSH
    OFR-125(1)-83 Technological Innovation In The Copper Industry

    By Alfred Weiss

    These volumes report on the study initiated by the U. S. Bureau of Mines to develop and apply a methodology to quantitatively assess the probability and potential benefits of technological innovation

    Jan 1, 1983

  • 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
    RI 4848 Concentration Of Oxide Manganese Ores From Vicinity Of Winkelman, Pinal County, Ariz.

    By K. C. Dean

    During the course of the investigation of manganese mineral occurrences in the western United States, the Bureau of Mines collected several lots of ore' from properties in the vicinity of Winkelm

    Jan 1, 1952

  • 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
    IC 6116 Petroleum Refineries In The United States January 1, 1929 ? Introductory Summary

    By G. R. Hopkins

    According to reports received by the Bureau of Mines, Department of Commerce, as of January 1, 1929 there were 413 completed refineries in the United States, with a total daily crude-oil capacity of 3

    Jan 1, 1929

  • NIOSH
    RI 8948 - Analysis of Sampling Variance From Certain Platinum and Palladium Deposits in Alaska

    By James C. Barker

    The analytical variability encountered when sampling for platinum-group metals (PGM) was statistically evaluated during a 1983 study by the Bureau of Mines and the University of Alaska. Sampling proce

    Jan 1, 1985

  • 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
    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
    Mineral Commodity Summaries 1982 - An Up-To-Date Summary Of 86 Nonfuel Mineral Commodities - Aluminum

    I. Domestic Production and Use: In 1981, 13 companies operated 32 primary aluminum reduction plants, with 3 firms accounting for 58% of production, Washington, Oregon, and Montana accounted for 32% of

    Jan 1, 1982

  • 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
    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 9032 Improved Fire Protection For Underground Fuel Storage And Fuel Transfer Areas

    By William H. Pomroy

    The potential for large-scale fires in underground fuel storage and fuel transfer areas prompted the Bureau of Mines to study fire hazards in these areas and devise improved fire safety technology for

    Jan 1, 1985