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The top documents tagged [laurentia north america]
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laurentia north america
Geologic Time. The Geologic Column Geologic Column: The ordered arrangement of rock layers. A geologic column represents a timeline of Earth’s history.
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The Devonian of New York. Devonian or Newyorkian? The International Subcommission on Devonian Stratigraphy visits New York State.
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Natural History of (Terrestrial) Vertebrates Chapter # 1 – The Diversity, Classification, and Evolution of Vertebrates.
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