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  • NIOSH
    RI 4892 Petroleum-Engineering Study of K. M. A. Reservoir, Southwestern Part K. M. A. Oil Field, Wichita and Archer Counties, Tex.

    "SUMMARYThe K.M.A. reservoir was discovered to be oil bearing at a depth of 3,719 feet on March 11, 1931. Extensive development, however, was not begun immediately, because the discovery well had a lo

    Jun 1, 1952

  • NIOSH
    OFR-169-82 Guideline Manual For Front-End Loader Load -And-Carry Applications

    By James W. Martin

    This user's manual analyzes the application, selection and performance of front-end loaders in mining operations which can effectively utilize their load-and-carry capability. All aspects of the

    Jan 1, 1981

  • NIOSH
    RI 8520 Alternative Methods for Copper Recovery From Dump Leach Liquors

    The Bureau of Mines conducted large-scale laboratory copper ore leaching tests to enable improving copper recovery from large dump-leaching operations. This was done by comparing leaching progress whe

    Jan 1, 1981

  • NIOSH
    IC 7617 Domestic Mica ? Introduction

    By G. Richards Gwinn

    "Mica" is a group name for a number of orthosilicates of aluminum with magnesium, ferrous iron, and the alkalies. They are characterized by their high reflection and a basal cleavage so well developed

    Jan 1, 1951

  • NIOSH
    RI 6819 Analyses Of Crude Oils From 546 Important Oilfields In The United States

    By C. M. McKinney

    The Bureau of Mines analyzed 626 crude oils from 546 oilfields in the United States that produced 2,500 BOPD or more during at least 1 of the last 3 years. Included also are crude oil analyses from ei

    Jan 1, 1966

  • NIOSH
    OFR-59-80 Mine Materials Handling Vehicle (MMHV)

    By A. L. Foote

    This is the final report of work accomplished during 1973-75 under U. S. Bureau of Mines Contract No. H0242015, "System for Handling Underground Mine Supplies and Materials." The purpose of the contra

    Jan 1, 1978

  • NIOSH
    OFR-67-79 Improved Dust Control At Chutes, Dumps, Transfer Points And Crushers In Noncoal Mining Operations

    By Sheridan J. Rodgers

    Improved methods of dust control in the metal and nonmetal mining industries were studied. Preliminary dust surveys were made at selected mines and three mines were chosen for additional studies. Dust

    Jan 1, 1978

  • NIOSH
    OFR-32-81 Electromagnetic Fields In Mine Environments

    By James R. Wait

    The present final report constitutes the total productivity of a series of contracts from the U.S. Bureau of Mines and the Institute for Telecommunication Sciences over the period 1971-1979. The empha

    Jan 1, 1980

  • NIOSH
    OFR-194-82 The Use Of A Baffled Rotating Drum Mixer In The Flocculation Dewatering Of Florida Phosphatic Clay Wastes

    By James L. Hendrix

    The applicability of a rotating drum with an attached trommel as a flocculation dewatering device of Florida phosphatic claywastes was studied. Several experiments were conducted in order to determine

    Jan 1, 1982

  • NIOSH
    OFR-26-82 Feasibility Study Of Partial Flooding In Mined Out Areas For Mine Drainage Pollution Abatement

    By John W. Mentz

    Phase I study efforts addressed: 1) acid mine drainage formation theory; 2) effects of inundation in reducing acid mine drainage formation; 3) summary information on the types of acid abatement techno

    Jan 1, 1981

  • NIOSH
    RI 8261 Factors Affecting Fabricability of Electrowon Copper

    By J. L. Holman

    The Federal Bureau of Mines has conducted research to delineate factors affecting relative fabricability of electrowon and electrorefined copper. The Bureau's Rolla Metallurgy Research Center coo

    Jan 1, 1978

  • NIOSH
    IC 8126 Blasting Stumps In Coal Mines ? Introduction

    By R. W. Stahl

    The use of continuous mining machines has greatly minimized the necessity for blasting in coal mines, even during pillar recovery; however, explosives are still used to blast stumps. The use of improp

    Jan 1, 1962

  • NIOSH
    Focus on Prevention: Conducting a Hazard Risk Assessment

    By Launa G. Mallett, Jr. Brnich

    Overview: The first step to emergency preparedness and maintaining a safe workplace is defining and analyzing hazards. Although all hazards should be addressed, resource limitations usually do not all

    Jul 1, 2003

  • NIOSH
    OFR-49-85 Development Of The Hvdrotransport Boost Pump

    By Leslie S. Rubin

    A ventilated helical boost pump was developed that can handle varying flow rates and/or solids concentrations while operating at a single rotational speed and without computer assisted feedback contro

    Jan 1, 1984

  • NIOSH
    Emerging Technologies Control Respirable Dust Exposures For Continuous Mining And Roof Bolting Personnel

    By D. E. Pollock, T. W. Beck, J. A. Organiscak

    This work presents the findings from a number of NIOSH studies evaluating the impacts of emerging technologies that may reduce dust exposures for continuous mining and roof bolting personnel. These t

  • NIOSH
    RI 3607 Survey Of Fuel Consumption At Refineries In 1940 - Summary

    By G. R. Hopkins

    The average heat requirement per barrel of crude processed in the United states rose from 555,000 B. t. u. in 1939 to 579,000 B. t. u. in 1940, although crude runs increased from 1,237,840,000 barrels

    Jan 1, 1942

  • NIOSH
    RI 3503 A Polarizing Comparison-Microscope For Use In Petrographic Measurements ? Introduction (0c5871c5-2232-4d57-81a9-54965f79776e)

    By George T. Faust

    The petrographer engaged in examining the products resulting from the beneficiation of ores and rock minerals is constantly required to develop new means and methods of assaying microscopically the re

    Jan 1, 1940

  • NIOSH
    RI 3606 Manganese Investigations - Metallurgical Division - 1. Ore-Dressing Studies Of Manganese Ores - Concentration Of Manganese Ores From The Drum Mountain District, Utah ? Introduction (1cdaaa7f-cd8f-4cf3-8b56-214878c33fd5)

    By S. R. Zimmerley

    As a result of the drilling program of the :Mining Division, Bureau of Mines, large amounts of manganese ores have been blocked out in the Drum Mountain District of Utah. The ores, as mined, would not

    Jan 1, 1942

  • NIOSH
    RI 3606 Manganese Investigations - Metallurgical Division - 1. Ore-Dressing Studies Of Manganese Ores - Concentration Of Manganese Ores From The Drum Mountain District, Utah ? Introduction

    By S. R. Zimmerley

    As a result of the drilling program of the Mining Division, Bureau of Mines, large amounts of manganese ores have been blocked out in the Drum Mountain District of Utah. The ores, as mined, would not

    Jan 1, 1942

  • NIOSH
    IC 8773 Economic Evaluation Of A Leach-Electrolysis Process For Recovering Lead From Galena Concentrate

    By Thomas A. Phillips

    The Bureau of Mines presents an economic evaluation of its leach- electrolysis process for recovering lead from galena concentrate. In this process, galena concentrate is leached at 200° F with a ferr

    Jan 1, 1978