Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Section just west of Billings (or turn)
Showing original unconformity of the Pierre Pitonville
in the Channel Churnt.
Pierre anticlinal.
Dandeton { Decidedly Caroo
bedded. Parting in
the lower 5-7 feet. }
Dandeton shale
Channel Churnt
structure clay
marine freshwater dam
about 100 feet or so.
2, 3'
2 mms
[illegible]
[illegible]
[illegible]