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National Institute for Occupational Safety and Health National Institute for Occupational Safety and Health
National Institute for Occupational Safety and Health

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  • Large-scale strata response to longwall mining : a case study
    Filetype[PDF - 747.59 KB]
    Personal Author:
    Kneisley, R. O. (Richard O.) ; Haramy, Khamis Y. ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1992
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9427
    Description:
    "This report describes laboratory studies by the U.S. Bureau of Mines to determine the suitability of a static oxygen (o2) adsorption test for evaluat...
    File Type:
    Filetype[PDF - 747.59 KB]
    File Type:
    Filetype[PDF - 747.59 KB]
  • Rock mechanics study of shaft stability and pillar mining, Homestake Mine, Lead, SD (in three parts) : 1. Premining geomechanical modeling using UTAH2
    Filetype[PDF - 1.75 MB]
    Personal Author:
    Pariseau, W. G. ; Johnson, J. C. ; ...
    Corporate Authors:
    United States. Bureau of Mine
    Published Date:
    1995
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9531
    Description:
    "A U.S. Bureau of Mines case study of pillar recovery in high-grade ore near the Ross shaft at the Homestake Mine, Lead, SD, has demonstrated the usef...
    File Type:
    Filetype[PDF - 1.75 MB]
    File Type:
    Filetype[PDF - 1.75 MB]
  • Geologic investigations of underground coal mining problems
    Filetype[PDF - 1.13 MB]
    Personal Author:
    McCulloch, C. M. (Charles M.) ; Jeran, P. W. ; ...
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1975
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8022
    Description:
    "A series of geological surveys were completed in six coal mines in connection with a Bureau of Mines research program on methane control. The aim of ...
    File Type:
    Filetype[PDF - 1.13 MB]
    File Type:
    Filetype[PDF - 1.13 MB]
  • Thermodynamic properties of Cos0.89, Cos1.33, and Cos2
    Filetype[PDF - 720.13 KB]
    Personal Author:
    Stuve, J. M. ; Beyer, R. P. ; ...
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1985
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8994
    Description:
    "In this Bureau of Mines investigation, the low-temperature heat capacities of polycrystalline phases corresponding to the sulfide compounds cos0.89, ...
    File Type:
    Filetype[PDF - 720.13 KB]
    File Type:
    Filetype[PDF - 720.13 KB]
  • The perturbation of alternating electromagnetic fields by three-dimensional bodies
    Filetype[PDF - 143.65 KB]
    Personal Author:
    Jones, F. W.
    Conference Authors:
    Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines)
    Published Date:
    1973
    Source:
    Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 86-91
    Series:
    Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines
    Description:
    The perturbation of alternating electromagnetic fields by three-dimensional structures is considered. The general model is that of a semi-infinite con...
    File Type:
    Filetype[PDF - 143.65 KB]
    File Type:
    Filetype[PDF - 143.65 KB]
  • A field trial for sealing abandoned mine shafts and adits with lightweight concrete
    Filetype[PDF - 8.63 MB]
    Personal Author:
    Skinner, E. H. ; Beckett, Les A. ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1994
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9495
    Description:
    "Researchers at the U. S. Bureau of Mines conducted investigations to evaluate the potential for ground water contamination by mine waste used as back...
    File Type:
    Filetype[PDF - 8.63 MB]
    File Type:
    Filetype[PDF - 8.63 MB]
  • In-mine evaluation of smoke detectors
    Filetype[PDF - 690.22 KB]
    Personal Author:
    Morrow, G. S. (Gerald S.) ; Litton, C. D. (Charles D.) ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1992
    Series:
    Information circular (United States. Bureau of Mines) ; 9311
    Description:
    "This report presents the results of a U.S. Bureau of Mines evaluation of smoke detectors placed in conveyor belt entries of underground coal mines. T...
    File Type:
    Filetype[PDF - 690.22 KB]
    File Type:
    Filetype[PDF - 690.22 KB]
  • Wireless MF communication system
    Filetype[PDF - 1.69 MB]
    Personal Author:
    Stolarczyk, Larry G.
    Corporate Authors:
    A. R. F. Products, Inc ; United States. Bureau of Mines. ;
    Published Date:
    September 1980
    Description:
    "This report adds to the current body of underground communication system design knowledge by: 1. accurately defining (measuring) the 12 dB SINAD sens...
    File Type:
    Filetype[PDF - 1.69 MB]
    File Type:
    Filetype[PDF - 1.69 MB]
  • Using Water Sprays to Improve Performance of a Flooded-Bed Dust Scrubber
    Filetype[PDF - 858.82 KB]
    Personal Author:
    Goodman, Gerrit V. R.
    Published Date:
    0/1/1900
    Description:
    Supplemental water sprays were placed along the sides of a continuous mining machine to improve suppression and confinement of the dust cloud under th...
    File Type:
    Filetype[PDF - 858.82 KB]
    File Type:
    Filetype[PDF - 858.82 KB]
  • Zeta potential control for simultaneous enhancement of penetration rates and bit life in rock drilling
    Filetype[PDF - 10.27 MB]
    Personal Author:
    Engelmann, William H.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1987
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9103
    Description:
    "In pursuit of innovative methods to improve mining productivity, the Bureau of Mines is investigating the use of inorganic salts as drilling fluid ad...
    File Type:
    Filetype[PDF - 10.27 MB]
    File Type:
    Filetype[PDF - 10.27 MB]
  • Field verification of load transfer mechanics of fully grouted roof bolts
    Filetype[PDF - 885.54 KB]
    Personal Author:
    Signer, S. P. (Stephen P.)
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1990
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9301
    Description:
    "The Bureau of Mines conducted a series of field tests to improve the understanding of the support interaction mechanics between fully grouted bolts a...
    File Type:
    Filetype[PDF - 885.54 KB]
    File Type:
    Filetype[PDF - 885.54 KB]
  • Characterization and effectiveness of remining abandoned coal mines in Pennsylvania
    Filetype[PDF - 4.36 MB]
    Personal Author:
    Hawkins, Jay W.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1995
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9562
    Description:
    "Under an approved remining program, mine operators can remine abandoned coal mines without assuming legal responsibility for treatment of the previou...
    File Type:
    Filetype[PDF - 4.36 MB]
    File Type:
    Filetype[PDF - 4.36 MB]
  • Strata interactions in multiple-seam mining--two case studies in Pennsylvania
    Filetype[PDF - 9.53 MB]
    Personal Author:
    Chekan, G. J. (Gregory J.) ; Matetic, Rudy J. ; ...
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1986
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9056
    Description:
    "The Bureau of Mines, in an effort to improve planning and development in coal mining, is investigating strata interactions associated with mining of ...
    File Type:
    Filetype[PDF - 9.53 MB]
    File Type:
    Filetype[PDF - 9.53 MB]
  • Effects of abandoned multiple seam workings on a longwall in Virginia
    Filetype[PDF - 933.06 KB]
    Personal Author:
    Chekan, G. J. (Gregory J.) ; Matetic, Rudy J. ; ...
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1989
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9247
    Description:
    "In order to reduce waste and improve resource conservation, mine planning, and development, the U.S. Bureau of Mines is investigating multiple seam i...
    File Type:
    Filetype[PDF - 933.06 KB]
    File Type:
    Filetype[PDF - 933.06 KB]
  • Vibration environmental testing for large haulage trucks