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  1. 1
    by Kumel, Bernhard
    Published 1961
    Book

    History of the earth an introduction to historical geology
  2. 2
    by Defant, Albert 1884-
    Published 1958
    Book

    Ebb and flow the tides of earth, and water
  3. 3
    by Eiby, G. A.
    Published 1957
    Book

    About earthquakes
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