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3 Pages in Charles Darwin's Library associated with "strata/epochs - clay, London"

  1. A manual of elementary geology
    By: Lyell, Charles, Sir,
    Publication info: [s.n.], [s.n.], 1855
    Pages: Page 231  
  2. Manual of mineralogy
    By: Jameson, Robert.
    Publication info: Edinburgh, Archibald Constable & Co, 1821
    Pages: Page 413  Page 413