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  1. 41
    Selected readings in mineral economics /
    Book
  2. 42
    Geology of natural gas ; this book consists of thirty-eight papers prepared by forty-seven authors. Only two have been previously published. Here for the first time has been assembled a comprehensive geologic treatise of the occurrence of natural gas on the North American continent /
    by Ley, Henry A.
    Published 1935
    Book
  3. 43
    Geology of the industrial rocks and minerals /
    by Bates, Robert Latimer, 1912-
    Published 1969
    Book
  4. 44
    Geology and economic minerals of Canada /
    Published 1970
    Book
  5. 45
    Certain geological conditions that cause mining fatalities.
    by Roley, Rolf Wight
    Published 1947
    Book
  6. 46
    Economic geology and the bulletin of the Society of Economic Geologists.
    Published 1930
    Journal
  7. 47
    Industrial minerals.
    Journal
  8. 48
    Our finite mineral resources /
    by Kesler, Stephen E.
    Published 1975
    Book
  9. 49
    Atlas of economic mineral deposits /
    by Dixon, Colin J.
    Published 1979
    Book
  10. 50
    Mineral property economics /
    Published 1978
    Book
  11. 51
    Industrial geology /
    Published 1978
    Book
  12. 52
    Economic aspects of the Blewett-Cle Elum iron ore zone, Chelan and Kittitas counties, Washington /
    Book
  13. 53
    Geology of Sabine Parish.
    by Andersen, H. V., 1907-2000
    Published 1960
    Book
  14. 54
    General and economic geology of the Baum limestone, Ravia-Mannsville area, Oklahoma /
    by Wayland, John Rex
    Published 1955
    Book
  15. 55
    Geology and economic minerals of Canada.
    Published 1957
    Book
  16. 56
    Economic geology in Massachusetts ; proceedings /
    Published 1967
    Conference Proceeding Book
  17. 57
    Structural geology : with special reference to economic deposits /
    by Stoces, Bohuslav
    Published 1935
    Book
  18. 58
    Structural geology of Canadian ore deposits /
    Published 1948
    Book
  19. 59
    Disrupted strata ; faulting and its allied problems from the standpoint of the mine surveyor and stratigraphist.
    Book
  20. 60
    The geology of the island of Trinidad, B. W. I. /
    by Waring, Gerald Ashley, 1883-
    Published 1926
    Book
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