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  • NIOSH
    Dust Control On Longwalls – Assessment Of The State-Of-The-Art

    By J. P. Rider

    Operating practices and resulting production from longwall faces are continually improving. Consequently, longwall operators are continually seeking to improve the dust control capabilities on longwal

  • NIOSH
    IC 6956 Coal-Mine Explosions In Ohio, 1874-1936 - Introduction

    By C. W. Owings

    The number of major coal-mine explosions occurring annually in the United States is decreasing, due mainly to fuller recognition of explosion hazards in coal mines and knowledge of methods to prevent

    Jan 1, 1937

  • NIOSH
    RI 8374 Citrate-Process Pilot-Plant Operation at the Bunker Hill Company

    By Laird Crocker

    A goal of the Federal Bureau of Mines is to minimize the undersirable environmental conflicts and impacts associated with mineral processing operations. To help reach this goal the Bureau operated a c

    Jan 1, 1979

  • NIOSH
    IC 8069 An Economic Analysis Of Underground Gasification Of Coal ? Introduction

    By G. D. Bakulev

    Economic Importance of Gasification of Fuel and Brief Outline of Development of Underground Gasification of Coal in the U.S.S.R. The underground gasification of fuel offers a number of economic and s

    Jan 1, 1962

  • NIOSH
    IC 8101 The National Safety Competition Of 1960 ? Summary

    By John C. Machisak

    The National Safety Competition is sponsored and conducted annually by the Bureau of Mines, U.S. Department of the Interior, to give greater impetus to the building of programs safeguarding the employ

    Jan 1, 1962

  • NIOSH
    RI 4370 Concentration Of Fluorite From Tailings And Mine Waste Rock In Crittenden And Livingston Counties, Ky.

    By M. M. Fine

    The flotation work on samples from nine fluorspar properties in Crittenden and Livingston Counties, Ky., reported herewith was part of a wartime project that resulted in increasing the supply of metal

    Jan 1, 1948

  • NIOSH
    RI 8454 Utilizing the Magnetic Fraction of Raw Refuse With Shredded Automobile Scrap in Cupola Gray Iron

    By V. R. Spironello

    The Bureau of Mines is involved in research directed toward the utilization of municipal solid waste. One of the primary objectives is the recycling of the magnetic fraction of municipal solid waste (

    Jan 1, 1980

  • NIOSH
    RI 7038 Load-Displacement Measurement In A Backfilled Stope Of A Deep Vein Mine

    By D. R. Corson

    The Bureau of Mines instrumented an operating stope in a deep vein mine to determine the amount of wall closure and the magnitude of loads imposed on a backfilled stope. Hydraulic pressure cells used

    Jan 1, 1967

  • NIOSH
    MLA 34-88 - Mineral Resources Of The Million Hills Study Area, Clark County, Nevada ? Summary

    By J. Douglas Causey

    In 1987, at the request of the Bureau of Land Management, the U.S. Bureau of Mines studied a part of the 21,296-acre Million Hills Wilderness Study Area (NV-050-233) in order to evaluate its identifie

    Jan 1, 1988

  • NIOSH
    IC 8939 Passive Encoder For Range Knobs

    By William H. Schiffbauer

    The Bureau of Mines has developed a passive encoder for range knobs, a device that automates the task of obtaining the range settings from devices or instruments to be input to microcomputers. It is e

    Jan 1, 1983

  • NIOSH
    RI 4389 Concentration Of Oxide Manganese Ores From Northeastern Utah, Daggett Chief And Gray Hawk Properties

    By R. Havens

    During the course of the investigation of possible domestic sources of manganese, engineers of the Bureau of Mines examined and sampled two manganese mineral deposits in northeastern Utah. The Dagget

    Jan 1, 1949

  • NIOSH
    OFR-16-88 Shearer Mounted Dust Collector; Evaluation Of Ventilated Cutting Drums

    By Jonathan S. Kelly

    Effective control of respirable dust is one of the most serious problems associated with longwall mining in the United States. This report describes the development and the underground evaluation of v

    Jan 1, 1987

  • NIOSH
    RI 7559 Laboratory Evaluation Of Some Factors In Cyaniding Gold Placers

    By I. L. Nichols

    The inplace cyanidation leaching of gold from placer deposits is a potential method for treating gravels too deeply buried and too low in gold content to be processed economically by conventional dred

    Jan 1, 1971

  • NIOSH
    IC 8066 Instruction Handbook: Fundamentals Of Accident Prevention For Coal-Mine Supervisors ? Introduction

    By W. H. Tomlinson

    This publication presents the basic text for a 20-hour accident-prevention training course developed for supervisors by the Federal Bureau of Mines. During the past 2 years, the course has been used b

    Jan 1, 1962

  • NIOSH
    OFR-161(2)-81 Appendix Volume - Control Of Water Pollution From Surface Mining Operations

    By David R. Jessey

    This volume contains the detailed mine site reports written by the WAPORA, Inc. and KETRON, Inc. staffs. It is a companion Appendix Volume to Control of Water Pollution from Surface Mining Operations.

    Jan 1, 1981

  • NIOSH
    OFR-89-77 Hoist Radio System For Deep Shafts

    By Joseph A. Vanous

    The inductive communication system was developed under this contract for use in the hoist of deep mines. This program was a four phase program with experimental dual frequency equipment resulting from

    Jan 1, 1976

  • NIOSH
    IC 8805 Demonstrated Reserve Base Of U. S. Coals With Potential For Use In The Manufacture Of Metallurgical Coke

    By William S. Sanner

    A demonstrated reserve base (DRB) of bituminous coal suitable for cokemaking has been estimated based on the latest published information on U.S. coal reserves. Bureau of Mines analyses of raw coalbed

    Jan 1, 1979

  • NIOSH
    Anchorage Pull Testing For Fully Grouted Roof Bolts

    By David C. Oyler, Dennis R. Dolinar, Christopher Mark, Craig S. Compton

    Fully-grouted roof bolts comprise more than 80% of the primary roof supports used in U.S. coal mines. However, nearly 1,500 MSHA reportable, non-injury roof falls occur each year, and most of these a

  • NIOSH
    RI 7165 Miniature Bilevel Alarm For Oxygen-Deficient Atmospheres

    By Robert A. Bradburn

    The Bureau of Mines has developed a miniature, portable two-level oxygen-deficiency alarm and produced three prototype models. Each operates from a 4.2-v dc power source, and the highest current drain

    Jan 1, 1968

  • NIOSH
    Static Electricity In Hospital Operating Suites - Direct And Related Hazards And Pertinent Remedies - Preface And Summary

    By P. G. Guest

    MANY of the gases and vapors used in anesthesia form explosive mixtures with oxygen or air. Sources of ignition for these mixtures always have existed in operating and anesthetizing areas. When ether

    Jan 1, 1953