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  • NIOSH
    RI 3572 Constancy Of B.T.U. Value Of Pure Coal (4a6c2dc5-0d80-4925-a512-c67a2db2f475)

    By L. R. Burdick, J. F. Barkley

    "There is a general conceit in the coal trade that the moisture- and ash-free B.t.u. of coal from the same seam, and surely from the same mine,is substantially a constant; that calculation of the mois

    Jun 1, 1941

  • NIOSH
    Mineral Highlights - General (b132011f-eed6-4e96-93d3-5f85f859b7de)

    Robert C. Horton was sworn in as the new Director of the Bureau of Mines on October 13 in Washington. Horton, 54, was director of the Geology Division of the Bendix Field Engineering Corporation'

    Jan 1, 1981

  • NIOSH
    RI 4912 Soda Sinter Process For Treating Low-Grade Titaniferous Ores

    By Robert T. MacMillan

    A process has been developed in the laboratory and expanded to semi-pilot-plant scale for recovering titania, iron, and byproducts from two types of titaniferous iron ores. A reducing roast with coke

    Jan 1, 1952

  • NIOSH
    OFR-184-84 Oil Shale Creep Testing At Elevated Temperatures

    By Krishna P. Sinha

    An investigation was made to determine the creep behavior of oil shale at elevated temperatures. During the first phase of the investigation, work done on creep behavior of geologic materials was revi

    Jan 1, 1983

  • NIOSH
    RI 5721 Preparation Characteristics Of Coal From Preston County, W. Va. ? Summary

    By T. E. Gray

    This report describes the preparation characteristics of the signifi¬cant coalbeds in Preston County, W. Va. It is one in a series of reports planned to determine coals suitable for the production of

    Jan 1, 1961

  • NIOSH
    The Balkan Countries - Albania - Introduction

    By Donald E. Buck

    In 1988, Albania's centrally planned economy continued to decline. The country's officially published yearend economic report did not contain concrete results such as the growth of national

    Jan 1, 1990

  • NIOSH
    IC 8479 Review Of Bureau Of Mines Coal Program, 1969 ? Introduction

    By John D. Spencer

    Projects aimed at achieving the least disturbance to the Nation's air, water, and land resources in the mining and utilization of coal continued to be a feature of the Bureau of Mines coal progra

    Jan 1, 1970

  • NIOSH
    Developing Toolbox Training Materials For Mining - What Is Toolbox Training And Why Use It?

    By Floyd D. Varley, C. M. K. Boldt

    Toolbox training is often described as short, informal training conducted at a worksite by technically competent persons for the benefit of a work team. The key feature of toolbox training is the focu

    Jan 1, 2002

  • NIOSH
    OFR-79-93 Vol. I Cross-Ridge Mountaintop Mining Demonstration - Volume I

    By Robert L. Lappi

    This report covers the final phase of a project demonstrating the economic efficiency of cross-ridge mountaintop coal mining. A demonstration mine was established at Big Wheel Gap in northeastern Tenn

    Jan 1, 1984

  • NIOSH
    OFR-47A-86 A Quality Program Plan For Explosion-Proof Electrical Enclosures - Part 1 - Final Technical Report

    By William D. Dodge

    A typical quality program plan is presented for explosion-proof (XP) electrical enclosures. The plan is suggested for manufactures of XP enclosures which are to be certified by MSHA for mining use. Th

    Jan 1, 1984

  • NIOSH
    IC 6976 Operations And Costs At The St. Joe Mining & Milling Co., Boulder, Colo. ? Introduction

    By Jos. R. Guiteras

    This paper describes the operations of the St. Joe Mining & Milling Co. in Boulder County, Colo., as of June 1936. Later a brief visit was made to the mine in September 1936; information obtained at t

    Jan 1, 1937

  • NIOSH
    OFR-99-77 Surveying Inhalation Contaminants In Above Ground Coal Mining And Processing Work Areas (For Company Safety Officers)

    By Walter D. Holland

    This is one of a series of instruction guides developed to help instructors present health and safety training courses to workers in the coal mining industry. This course is intended for training thos

    Jan 1, 1976

  • NIOSH
    RI 6005 Methods For Determining Microquantities Of Impurities In Tungsten

    By J. G. Haymes

    This report by the Bureau of Mines is the first of two proposed papers on evaluation of spectrophotometric, spectrographic, polarographic, and other analytical methods for quantitatively determining i

    Jan 1, 1962

  • NIOSH
    RI 3407 Earth Vibrations Caused By Mine Blasting Progress Report 2 ? Introduction

    By J. R. Thoenen

    In Progress Report 1,4/ a number of facto mere demonstrated and conclusions drawn from experimental tests and records made during commercial blasting operations at a number of quarries. For example, t

    Jan 1, 1938

  • NIOSH
    RI 8972 - Field Measurement and Finite-Element Modeling of Circular and Rectangular Shaft Shapes in the Coeur d'Alene Mining District, Idaho

    By Michael J. Beus

    This Bureau of Mines report describes a field experiment involving the sinking of two test shafts to directly compare the deformational behavior of circular and rectangular shapes. Results show that t

    Jan 1, 1985

  • NIOSH
    IC 9508 - The Application of Major Hazard Risk Assessment (MHRA) to Eliminate Multiple Fatality Occurrences in the US Minerals Industry

    By A. Iannacchione

    Major Hazard Risk Assessment (MHRA)1 is used to help prevent major hazards, e.g., fire, explosion, wind-blast, outbursts, spontaneous combustion, roof instability and chemical and hazardous substances

    Jan 1, 2008

  • NIOSH
    IC 6323 Fire-Fighting Equipment and Organization of the Madison Coal Corporation, Glen Carbon, Madison County, Il

    By A. U. Miller

    Protection against fire is a greater problem at a coal mine, than at an ordinary industrial plant. Generally mines are located in isolated districts and do not have the protection of city fire departm

    Jul 1, 1930

  • NIOSH
    RI 4249 Concentratability of Birmingham, Ala., Red Iron Ores by Separation in Heavy Media

    By B. H. Clemmons, B. G. Saunders, R. H. Stacy

    "INTRODUCTION This investigation was undertaken to determine the response of Birmingham (Alabama) red-iron ore to heavy-medium concentration. Specifically, the work involved a study of the efficiency

    May 1, 1948

  • NIOSH
    RI 4745 Investigation Of Canyon Diggings Zinc-Lead Deposit. Newton County, Mo.

    By L. C. Brichta

    The Canyon Diggings zinc-lead deposit is in an area of structural deformation of sedimentary rooks in Newton County, Mo., 14 miles southeast of Joplin, within the southern limits of the Tri-State dist

    Jan 1, 1950

  • NIOSH
    OFR-88-83 Proceedings Of A Workshop Cyanide From Mineral Processing - February 2-3, 1982 Salt Lake City, Utah ? Preface

    The workshop on "Cyanide Effluents from Mineral Processing' was held on February 2-3, 1982, at the U.S. Bureau of Mines, Salt Lake City Research Center, Salt Lake City, Utah. The workshop was spo

    Jan 1, 1983