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Showing 1 - 3 results of 3 for search '"Cretaceous"', query time: 0.11s Refine Results
  1. 1
    by Berggren, William A.
    Published 1958
    Subjects: “...upper Cretaceous...”
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  2. 2
    by Berggren, Lois
    Published 1959
    Subjects: “...Cretaceous Tertiary boundary...”
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  3. 3
    by Thomson, Michael
    Published 1968
    Subjects: “...Lower Cretaceous...”
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