2 Pages in Charles Darwin's Library associated with "strata/epochs - Muschelkalk"

  1. Principles of geology.
    By: Lyell, Charles.
    Publication info: London :John Murray,1837.
    Volume: v.4
    Pages: Page 292  
  2. Supplement to the fifth edition of A manual of elementary geology.
    By: Lyell, Charles.
    Publication info: London :John Murray,1857.
    Pages: Page 28