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4 Pages in Charles Darwin's Library associated with "geology - clay, London"

  1. A history of British fossil mammals and birds
    By: Owen, Richard,
    Publication info: London, John Van Voorst, 1846
    Pages: Page xxi  Page xx  Page 542  
  2. Principles of geology
    By: Lyell, Charles, Sir,
    Publication info: London, John Murray, 1837
    Volume: v.4
    Pages: Page 214