Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
45
31'6" Sandstone, friable, buff colored, x
bedded locally, + local microlated
layers of deep yellow brown
sandstone, small yellow concretions.
Upper 15' generally free of yellow
brown beds. Entire member locally
carbonaceous.
1'6" Purpleish gray shale sand. [Hell Creek?]
(5') Wash