Showing 41 - 60 results of 702 for search '', query time: 0.14s Refine Results
  1. 41
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  5. 45

    Selected references on coal, particularly western coal.

    Published 1969
    CONNECT
    Government Document Electronic eBook
  6. 46

    Transportation costs, coking coal, unit train.

    Published 1969
    CONNECT
    Government Document Electronic eBook
  7. 47
  8. 48

    Evaluation, coal, depreciation rates.

    Published 1969
    CONNECT
    Government Document Electronic eBook
  9. 49

    Coal, synthetic fuels, feasibility : synthetic fuels, from coal, feasibility.

    Published 1970
    CONNECT
    Government Document Electronic eBook
  10. 50

    Coal, chemicals from : chemicals from coal.

    Published 1970
    CONNECT
    Government Document Electronic eBook
  11. 51

    Coal.

    Published 1970
    CONNECT
    Government Document Electronic eBook
  12. 52

    Coal, bituminous, information : coal, bituminous, statistics : coal, bituminous, data.

    Published 1970
    CONNECT
    Government Document Electronic eBook
  13. 53

    Coal, value.

    Published 1970
    CONNECT
    Government Document Electronic eBook
  14. 54

    Coal, operating mines.

    Published 1970
    CONNECT
    Government Document Electronic eBook
  15. 55

    Coal mining health standards in Poland / by Sadowski, Tadeusz

    Published 1978
    CONNECT
    Government Document Electronic eBook
  16. 56

    Coal mining health standards in Australia / by Nay, Robert L., Murphy, Linda B.

    Published 1978
    CONNECT
    Government Document Electronic eBook
  17. 57

    Coal mining health standards in the Federal Republic of Germany / by Palmer, Edith, 1940-

    Published 1978
    CONNECT
    Government Document Electronic eBook
  18. 58

    Surface-mining modeling for USGS coal assessments / by Pierce, Paul E.

    Published 2021
    CONNECT
    Government Document Electronic eBook
  19. 59
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