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  • NIOSH
    IC 7969 Four Waterflooding Projects In Greenwood County, Kans., 1960 ? Introduction And Summary

    By Kenneth H. Johnston

    For the past several years, Bureau of Mines petroleum engineers have arranged tours of selected waterflooding projects for the spring meetings of the Kansas-Oklahoma Waterflood Association. These tour

    Jan 1, 1960

  • NIOSH
    RI 4123 Pilot Mill Concentration of Las Vegas Wash Manganese Ore, Boulder City, Nev.

    By S. R. Zimmerley, C. H. Schack

    "INTRODUCTION The pilot-mill concentrator at Boulder City, which has a nominal capacity of 40 tons per day, was planned and built to investigate further the beneficiation of domestic manganese ores th

    Sep 1, 1947

  • NIOSH
    OFR-47(4)-83 Ecological Studies On The Revegetation Process Of Surface Coal Mined Areas In North Dakota - 4. Soil And Vegetation Development On Topsoiled Areas

    By Louis R. Iverson

    Patterns of species colonization, biochemical interaction among species, and competitive phenomena were studied in four reclaimed areas in western North Dakota ranging in age from one to four years af

    Jan 1, 1982

  • NIOSH
    The Performance Of The U.S. Mineral Industry

    This section of Minerals and Materials analyzes the following three factors affecting the recent performance of the U.S. and world mineral industries: 1) the health of the U.S. and world economies, 2)

    Jan 1, 1982

  • NIOSH
    OFR-118-77 Development Of A Radiochemical Method For Analyzing Radon Gas In Uranium Mine Atmospheres

    By L. Stein

    A simplified radiochemical method has been developed for quantitatively analyzing; radon gas in underground uranium mines. In this method, a measured volume of air is drawn by a pump through a drying

    Jan 1, 1977

  • NIOSH
    RI 3274 Accuracy of Manometry of Explosions: General Survey of the Problem and Comparison of Piston-Type with Diaphragm-Type Manometers

    By M. D. Heresy, H. F. Coward

    "Whenever a manometer has been used for recording explosion pressures it has been calibrated under a series of static pressures. Whether the readings taken during the rapidly changing pressures of an

    May 1, 1935

  • NIOSH
    IC 7958 Bibliography Of Thermal Methods Of Oil Recovery ? Introduction

    By W. T. Wertman

    LABORATORY research has been started at the Bureau of Mines Morgantown Petroleum Research Laboratory, Morgantown, Va., to investigate the possibilities thermal-recovery methods for producing crude oil

    Jan 1, 1960

  • NIOSH
    Comparison Of Ore Pass Computer Simulations For Designs Against Dynamic Load

    By K. Biswas, S. Iverson, S. J. Jung

    Computer modeling of rock flow in ore passes is being investigated and compared using MSC Soft-ware’s Working Model 2D1 (WM2D) and Itasca Corp.’s Particle Flow Code in Two Dimensions (PFC2D). This wo

  • NIOSH
    RI 3570 Progress Reports - Metallurgical Division - 47. Mineral Physics Studies - Ferromagnetic Properties Of Hematite

    By Earl T. Hayes

    [This work represent a continuation of the efforts of the Metallurgical Division of the Bureau of Mines to ascertain and apply knowledge of miner physics to processes metallurgy.]

    Jan 1, 1941

  • NIOSH
    IC 7974 Administration Of The Federal Coal-Mine Safety Act, 1952-59 ? Summary

    By James Westfield

    A brief résumé follows of activities of the Division of Coal-Mine Inspection that have had a favorable effect on health, safety, and the reduction of injuries at coal mines: 1. The Federal Mine Sa

    Jan 1, 1960

  • NIOSH
    OFR-95-86 Availability Of Selected Strategic And Critical Minerals: Role Of The Republic Of South Africa

    Possible consequences of continuing internal political unrest and the imposition of foreign sanctions raise concerns about the traditional reliability of the Republic of South Africa as a major world

    Jan 1, 1986

  • NIOSH
    RI 4033 Use of Scrapers and Other Light Earth-Moving Equipment in Bitnminous-Coal Strip Mining

    By Albert L. Toenges, Louis A. Turnbull, EDWARD L. FISH, JOSEPH J. SHIELDS, James J. Dowd

    The stripping of coal with mechanical. equipment has progressed since the introduction of the first steam-powered shovel for the retóval of overburden at a mine in Pittsburg, Kans., in 1877...From the

    Jan 1, 1947

  • NIOSH
    Pillar Stability Issues Based On A Survey Of Pillar Performance In Underground Limestone Mines

    By Dennis R. Dolinar, John L. Ellenberger, Gabriel S. Esterhuizen, Anthony T. Iannacchione

    A survey of pillar conditions was carried out at 21 operating limestone mines that use the room-and-pillar method. The surveyed pillars were all located in rock that was classified as “Good” to “Very

  • NIOSH
    IC 6770 Manganese Its Occurrence, Milling, and MetalIurgy. Part III

    By Edmund S. Leaver, R. S. Dean, T. L. Joseph

    The metallurgy of manganese has developed along the lines of iron metal¬ lurgy. Enough high-grade ore has Been available so that by reduction with carbon it could be turned into an iron-ma.nga.nese al

    May 1, 1934

  • NIOSH
    Analysis of Research of Pneumoconioses and Recommendation for Dust Preparation for Biomedical Research

    By R. V. Ramani, R. L. Grayson, R. L. Frantz, V. A. Marple, W. R. Myers, K. L. Rubow, Mutmansky. J. M., T. J. Stobbe

    "An investigation of protocols for research performed from 1953 to 1988 on pneumoconioses (with emphasis on diseases related to coal and silica) was conducted in the Generic Mineral Technology Center

    Nov 1, 1995

  • NIOSH
    MLA 7-83 - Mineral Investigation Of The Lost Creek Rare II Area (No. 5089), Shasta County, California ? Summary

    By Harry W. Campbell

    A Bureau of Mines investigation identified no mineral deposits in the Lost Creek RARE II area. Sand and gravel has been mined from alluvial flood plain deposits just outside the RARE II boundary. An o

    Jan 1, 1983

  • NIOSH
    Analyses Of Kentucky Coals - Kentucky Coal Fields

    By Arthur C. McFarlan

    There are two distinct coal fields in Kentucky-the Eastern field constituting a part of the Appalachian coal region and the Western field constituting the southern part of the Eastern Interior region.

    Jan 1, 1944

  • NIOSH
    RI 5159 Estimate Of Known Recoverable Reserves And The Preparation And Carbonizing Properties Of Coking Coal In Marion County, Tenn. - Conclusions - Reserves

    By Lloyd Williams

    1. The investigation shows that the Sewanee bed is the only bed of major importance in Marion County, 97 percent of the coal mined in the county having come from this bed. There are coal reserves in m

    Jan 1, 1955

  • NIOSH
    OFR-178(1)-82 Mine Power Systems - Volume I

    By Lloyd A. Morley

    This seven-chapter document is the first volume of a two-volume report that presents a comprehensive outline of coal-mine electrical power systems from theory to practice. Together, the two volumes co

    Jan 1, 1982

  • NIOSH
    Evaluation Of Mine Seals Using Ground Penetrating Radar

    By Michael J. Sapko, William D. Monaghan, Michael A. Trevits

    Mine seals are used extensively in underground coal mines to segregate mined-out areas and to isolate fire zones or underground areas that are susceptible to spontaneous combustion. Over the years, 3