Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
The bottom surface of the Coggman at the D. B. B.
doc 107
MARYLAND GEOLOGICAL SURVEY.
VOLUME I, PLATE XII.
W
E
VIEW OF "DEVIL'S BACKBONE" IN LEWISTOWN FORMATION,
NORTH OF CUMBERLAND, ON THE BALTIMORE & OHIO R. R.