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  1. 1
    Principles of a resource/reserve classification for minerals
    Published 1980

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Electronic Book
  2. 2
    Manganese

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Journal
  3. 3
    Identified mineral resources/significant mineral occurrences and mineral resource potential for wilderness study areas in Colorado /
    Published 1989

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  4. 4
    Platinum-group metals in ..

    Journal
  5. 5
    Operating regulations to govern the production of oil and gas : Under the Act of February 25, 1920 (41 Stat. 437); Act of June 4, 1920 (41 Stat. 812); and Act of March 4, 1923 (42 Stat. 1448); and under special agreement by the United States
    Published 1926

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  6. 6
    Phosphate rock in ..

    Government Document Serial
  7. 7
    Vermiculite in ..

    Government Document Serial
  8. 8
    Perlite in ..

    Government Document Serial
  9. 9
    Mercury in ... /

    Government Document Serial
  10. 10
    Potash in ..

    Government Document Serial
  11. 11
    Marketable phosphate rock

    Government Document Journal
  12. 12
    Iron and steel scrap in ... /

    Government Document Serial
  13. 13
    County analysis of fuel consuption and power production by electric public utility power plants in 1929 /
    Published 1929

    Book
  14. 14
    Iron oxide pigments in ..

    Government Document Serial
  15. 15
    Rhenium in ..

    Government Document Serial
  16. 16
    Gypsum

    Government Document Journal
  17. 17
    Cement in ..

    Government Document Serial
  18. 18
    Nickel

    Government Document Serial
  19. 19
    Tungsten in ..

    Government Document Serial
  20. 20
    Silicon in ..
    Published 1980

    Government Document Journal
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