2 Pages in Charles Darwin's Library associated with "geology - silt"

  1. A history of British fossil mammals and birds.
    By: Owen, Richard,
    Publication info: London :John Van Voorst,1846.
    Pages: Page 197  
  2. Principles of geology.
    By: Lyell, Charles.
    Publication info: London :John Murray,1837.
    Volume: v.4
    Pages: Page 38