Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
A/WN 571-21
(1)
General.
Here the shale just above the Lytle-Clearwater
contact was entered. Don't know whether
the claysstone below this or shale itself
was used.
The basal cyl of the Lytle better
developed here than anywhere seen -
15 to 25 very coarse, with suds pebbles
about 3/4 inch.
14.