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10 Pages in Charles Darwin's Library associated with "strata/epochs - silurian"

  1. Contributions to the natural history of the United States of North America
    By: Agassiz, Louis,
    Publication info: [s.n.], [s.n.], n.d
    Pages: Page 31  Page 100  
  2. A manual of elementary geology
    By: Lyell, Charles, Sir,
    Publication info: [s.n.], [s.n.], 1855
    Pages: Page 424  Page 447  Page 448  Page 449  Page 450  Page 451  Page 458  Page 463