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7 Pages in Charles Darwin's Library associated with "strata/epochs - cambrian"

  1. A manual of elementary geology
    By: Lyell, Charles, Sir,
    Publication info: [s.n.], [s.n.], 1855
    Pages: Page 238  Page 453  Page 456  Page 457  Page 463  End Note   
  2. Supplement to the fifth edition of A manual of elementary geology
    By: Lyell, Charles, Sir,
    Publication info: London, John Murray, 1857
    Pages: Page 30