Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
39 25 ft. Massive yellow-brown
cliff forming ss
undulating beds
cliff on east side of arch
40. 50 ft dk gray-brownish
50 ft shale forms
50 ft. brownish smooth slope
50 ft on east side of creek.
41. 172 ft. Unit of /centimeter/
channel sands - epsilon
units, parallel lam, ripples
carbon trash ; coals
up to 2 m ; and
laminated mudstones;
and thin splay-like
sandstones
basal ss is 3-5m thick