Subject ASC0003z2b
The geologist : a popular monthly magazine of geology.
v.4 (1861), Page 348 (1861)
American Museum of Natural History Library
BHL Page 47659057
Keywords
fritsch sketch bohemia bohemian arenicolite rocks azoic Dr. Fritsch's sketch of Bohemian Arenicolite bohemian arenicolite Carding Mill brook worm burrows