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Showing 1 - 20 results of 21 for search '"Mining research contract report."', query time: 0.24s Refine Results
  1. 1
    Microwave detection of lost wells and unknown water-filled voids in coal mines.
    Published 1984
    “...Mining research contract report....”
    Government Document Book
  2. 2
    Determining effectiveness of past mine fire surface seal abatement methods.
    by Hanson, Lowell C.
    Published 1990
    “...Mining research contract report....”
    Government Document Microform Book
  3. 3
    Maintainability design of underground mining equipment.
    by Conway, Ernest J.
    Published 1988
    “...Mining research contract report....”
    Government Document Microform Book
  4. 4
    Design, fabrication, and testing of a bidirectional auger.
    by Jack, O. Llewellyn
    Published 1983
    “...Mining research contract report....”
    Government Document Microform Book
  5. 5
    Development of an enzyme linked immunosorbent assay to determine the numbers of chemolithotrophic bacteria at acid mine drainage sites.
    by Blake, R. C., II
    Published 1990
    “...Mining research contract report....”
    Government Document Microform Book
  6. 6
    Evaluation of rotating water seal for frictional ignition spray system on a wet-head continuous miner /
    by Kost, John
    Published 1989
    “...Mining research contract report....”
    Government Document Microform Book
  7. 7
    An analysis of hand tool injuries in the underground mining industries.
    “...Mining research contract report....”
    Government Document Microform Book
  8. 8
    Quantitative analysis of diesel particulate matter in respirable coal dust by Raman spectroscopy.
    Published 1989
    “...Mining research contract report....”
    Government Document Microform Book
  9. 9
    Development of containment barriers using foaming mud cement /
    by Clark, A. Gray
    Published 1989
    “...Mining research contract report....”
    Government Document Microform Book
  10. 10
    Neutralization of acid mine drainage influenced by organic additions /
    by Brugam, Richard B.
    Published 1991
    “...Mining research contract report....”
    Government Document Microform Book
  11. 11
    Use of on-site mycorrhizal inoculum for plant establishment on abandoned mined lands.
    by Helm, D. J.
    Published 1990
    “...Mining research contract report....”
    Government Document Microform Book
  12. 12
    Back injuries in underground coal mining.
    by Stobbe, Terrence J.
    Published 1989
    “...Mining research contract report....”
    Government Document Microform Book
  13. 13
    Long-term removal and retention of iron and manganese from acidic mine drainage by wetlands.
    Published 1990
    “...Mining research contract report....”
    Government Document Microform Book
  14. 14
    High angle mining system.
    by Christofferson, Donald
    Published 1983
    “...Mining research contract report....”
    Government Document Microform Book
  15. 15
    Development of an inexpensive pneumatic pipefeeder.
    Published 1990
    “...Mining research contract report....”
    Government Document Book
  16. 16
    Evaluation of phosphate sources for control of acid production in coal overburden.
    Published 1990
    “...Mining research contract report....”
    Government Document Book
  17. 17
    Above-ground demonstration of pneumatic stowing technologies.
    Published 1990
    “...Mining research contract report....”
    Government Document Book
  18. 18
    Accelerated pyrite oxidation/enhanced alkalinity couple to reduce acid mine drainage.
    Published 1991
    “...Mining research contract report....”
    Government Document Book
  19. 19
    Development of a dry exhaust conditioner for diesel engines.
    Published 1988
    “...Mining research contract report....”
    Government Document Book
  20. 20
    Improved method for extinguishing coal refuse fires.
    by Gross, S. S.
    Published 1991
    “...Mining research contract report....”
    Government Document Microform Book
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