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  1. 1
    by Porter, Thomas Reginald
    Published 1967
    Book

    Earth-space science teaching tips from TST a compilation of articles from seven years of The Science Teacher, 1960-1966
  2. 2
    by Jacobs, John Arthurs
    Published 1959
    Book

    Physics and geology
  3. 3
    by Rapprot, Samuel Berder
    Published 1955
    Book

    The crust of the earth an introduction to geology
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