Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Colo. Rockies.
L. Cret. Dakota.
Jur. Morrison.
Jur. Sundance Bemm.
Tri Bals ton (Cyp sars)
Perm Lykens < Sxbyle lens of Phas.
Pa ? Perm? Lyons ss.
Pu. Fountain.
Pre - C.