Showing 61 - 80 results of 122,013 for search '', query time: 0.38s Refine Results
  1. 61
    Some suggestions on care in the use and handling of explosives in coal mines /
    by Fitzgerald, Lloyd G
    Published 1944

    Government Document Book
  2. 62
    Possible hazards attending the use of engines operated on butane fuel in mining and tunneling /
    by Berger, L. B
    Published 1944

    Government Document Book
  3. 63
    Standardized construction of mine ventilating doors /
    by Hartley, J. C
    Published 1944

    Government Document Book
  4. 64
    Effects of the inhalation of oxygen /

    Government Document Book
  5. 65
    Natural gasoline and cycle plants in the United States, January 1, 1950 /
    by Colby, Donald S
    Published 1950

    Government Document Book
  6. 66
    Process development in the hydrocarbon synthesis to 1941 /
    by Kodama, S
    Published 1951

    Government Document Book
  7. 67
    European shale-treating practice /
    by Odell, William W
    Published 1946

    Government Document Book
  8. 68
    Graphical form for applying the Rosin and Rammler equation to the size distribution of broken coal /

    Government Document Book
  9. 69
    Reconnaissance of iron resources in New Mexico /
    by Harrer, Clarence Michael
    Published 1963

    Government Document Book
  10. 70
    Petroleum and natural gas research program Bureau of Mines, fiscal year 1950 /

    Government Document Book
  11. 71
    Coal-mine fatalities in November, 1930 /
    by Adams, W. W
    Published 1931

    Government Document Book
  12. 72
    Coal-mine fatalities in January, 1931 /
    by Adams, W. W
    Published 1931

    Government Document Book
  13. 73
    Consumption of explosives in May, 1931. /
    by Adams, W. W
    Published 1931

    Government Document Book
  14. 74
    Reconnaissance geologic study of the Vazante zinc district, Minas Gerais, Brazil /
    by Thorman, Charles H
    Published 1977

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    Government Document Book
  15. 75
    Underground mining practice and costs at a Mesabi Range (Minnesota) mine using the top slicing system /
    by Haselton, W. D
    Published 1930

    Government Document Book
  16. 76
    Detailed study of 60-day nonfatal underground accidents in Pennsylvania bituminous coal mines during 1939 /
    by Ilsley, L. C
    Published 1941

    Government Document Book
  17. 77
    Developments in petroleum refining technology in the United States, 1914-19 /
    by Kraemer, A. J
    Published 1941

    Government Document Book
  18. 78
    Technical research by the Bureau of Mines in oil and gas production, refining, and utilization /
    by Miller, H. C
    Published 1941

    Government Document Book
  19. 79
    Dust-explosion hazards from certain powdered metals /
    by Brown, Hylton R
    Published 1941

    Government Document Book
  20. 80
    Marketing graphite /
    by Tyler, Paul McIntosh, 1889-
    Published 1941

    Government Document Book
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