Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Batton
Coals K
Vermejo N
Pierre Sh.
5000'
Niobrara Fm
Smoky Hill Chains Marine
Sh
FT Hays Mbr Thick
bedded Cls
Carlisle sh.
KSi - Greenhorn Is Thin bedded D1ST
Grancros sh
Bl. Shale
Dakota Gp.