Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • NIOSH
    IC 8182 Sandstone As Dimension Stone

    By Oliver Bowles

    Sandstone, a widely distributed siliceous sedimentary rock, is the third most popular building stone in the United States. It is formed by the breaking down of preexisting rocks by weathering, subsequ

    Jan 1, 1963

  • NIOSH
    RI 8059 Composition of Lead Sinter

    By W. M. Dressel

    In producing feed for a lead blast furnace, concentrates analyzing 70 to 80 pct Pb are sintered to produce a physically acceptable low-sulfur product which contains only about 50 pct Pb. Mixtures of P

    Jan 1, 1975

  • NIOSH
    RI 2811 The Flotation of Oxidized Ores

    By Thomas Varley

    "The literature on flotation of oxidized ores except for patents (especially for reagents) is very sparse. The Bureau of Mines in 1936, published a circular on the subject, by Ralston and Allen. The

    Jun 1, 1927

  • NIOSH
    IC 7675 Raw Materials For Aluminum Production ? Summary

    By D. D. Blue

    To insure domestic production of aluminium for, essential civilian and defense uses, the Government, under authority of the Defense Production Act of 1950, programed and promoted an aluminum-expansion

    Jan 1, 1954

  • NIOSH
    Formula Predicts The Spontaneous Combustion Potential Of Bituminous Coals ? Objective

    To predict the spontaneous combustion potential of bituminous coals using a simple expression based on an easily acquired coal property. Background Approximately 20% of underground coal mine fir

    Jan 1, 1989

  • NIOSH
    RI 5591 Properties Of Titanium-Vanadium-Cobalt Alloys ? Summary

    By J. D. Ramsdell

    To obtain information on the effects of cobalt on microstructure and tensile properties of titanium-vanadium-cobalt alloys, the composition ranges of 4 to 16 percent vanadium with 1 to 4 percent cobal

    Jan 1, 1960

  • NIOSH
    Experience Of Field Measurement And Computer Simulation Methods For Pillar Design

    By Winton J. Gale

    Coal pillar design has been based on generalized formulas of the strength of the coal in a pillar and experience in localized situations. Stress measurements above and in coal pillars indicate that t

    Jan 5, 1999

  • NIOSH
    RI 9072 - Continuous Flotation Testing To Recover Cobalt From Missouri Lead Ores

    By W. L. Cornell

    The Missouri lead ores are the only domestic sources of cobalt presently being mined and processed for other materials. They represent the best short-term solution for meeting up to 13 pct of the Nati

    Jan 1, 1987

  • NIOSH
    IC 8005 Flammable Materials: A Lecture Demonstration ? Introduction And Summary

    By M. G. Zabetakis

    This publication contains highlights of a 4-hour lecture and demonstration by the Bureau of Mines on the fire and explosion hazards of flammable liquids and solids, oxidizing materials, corrosive liqu

    Jan 1, 1961

  • NIOSH
    RI 6043 Recovery Of Mineral Values In Cupriferous And Nickeliferous Pyrrhotite ? Summary

    By Oliver C. Fursman

    These investigations were conducted to determine conditions for recovery of nickel and copper from Funter Bay, Alaska, sulfide ore and recovery of nickel from nickel-silicate ore, Nickel Mountain, Rid

    Jan 1, 1962

  • NIOSH
    RI 3105 Flotation of Low-Grade Phosphate Ores II.

    By H. M. Lawrence, E. Roca

    "INTRODUCTION Of the phosphate rock deposits of the United States that are being exploited actively at present, the land-pebble area in Florida is the largest producer. In recent years the land-pebble

    Aug 1, 1931

  • NIOSH
    Minor Metals And Minerals - Cesium And Rubidium

    PRODUCTION of cesium, cesium salts, and rubidium salts in the United States declined somewhat from 1961 levels; rubidium production was virtually unchanged. Imports of pollucite declined because consu

    Jan 1, 1963

  • NIOSH
    RI 3031 Acrolein as a Warning Agent for Detecting Leakage of Methyl Chloride from a Multifle Refrigeration System

    By H. H. Schrenk, W. P. Yant, F. A. Patty

    "INTRODUCTION In accordance with the outline of investigation described in a previous report 5 of the Bureau of Mines dealing with the use of acrolein for detecting leakage of methyl chloride from uni

    Sep 1, 1930

  • NIOSH
    OFR-158-81 Ground Fault And Overcurrent Protection Criteria For Coal Mine AC Distribution Systems

    By John A. Kiefer

    Ground fault and overcurrent protection criteria for coal mine a.c. distribution systems were examined under a Bureau of Mines funded investigation. The report begins with a literature review which di

    Jan 1, 1980

  • NIOSH
    The Mineral Industry Of Other Areas Of The Far East And South Asia - Bangladesh (541c7bda-6ca8-4dc8-a808-237ef08a52f2)

    Mineral production was of little significance in the country's economy, and Bangladesh was not a world-ranked producer of any mineral commodity during 1977. Natural gas was the most important min

    Jan 1, 1981

  • NIOSH
    IC 8176 Bureau Of Mines Boiler-Water Service ? Introduction (6f2e9b1e-2f49-4ea8-8219-0bf417d911f0)

    By A. A. Berk

    Other Federal agencies have been coming to the Bureau of Mines for help with the purchase and utilization of fuel, largely coal, almost since the day the Bureau was created in 1910. The requests cover

    Jan 1, 1963

  • NIOSH
    OFR-104(4)-80 Selective Placement Of Coal Strip Mine Overburden In Montana - IV. Hydrogeologic Studies

    By D. J. Dollhopf

    This research was part of an effort to investigate means of reestablishing non¬polluted hydrological systems in areas where surface mining directly impacts shallow ground-water resources. Chemically

    Jan 1, 1979

  • NIOSH
    OFR-62(3)-74 Analysis Of Ore Handling Systems In Underground Metal Mines For Improved Safety And Efficiency - Phase 2. System Improvements And Research Recommendations

    This report covers the results of an industrial engineering study that assessed the safety and efficiency of underground ore handling in U.S. metal mines. Significant conclusions that will be of benef

    Jan 1, 1974

  • NIOSH
    IC 9100 Beryllium Availability-Market Economy Countries - A Minerals Availability Appraisal

    By Audrey A. Soja

    The Bureau of Mines investigated beryllium resources, production methods, and production costs to estimate the quantity of beryllium available for future use. Eight mining districts and 12 deposits ar

    Jan 1, 1986

  • NIOSH
    RI 7886 Field Studies on an Unsupported Roof, York Canyon Coal Mine, Raton, N. Mex.

    By Raymond M. Stateham

    Infrared and displacement studies were made of an unsupported roof in Kaiser Steel Corp.'s York Canyon coal mine, Raton, N. Mex. Monitoring of the roof continued until the roof over the area was

    Jan 1, 1974