Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7/27/38
7853 Same Carb Layer as at 5840-41
260 m S & 5m W of NE Cor, Sec 29
T 50N, R 93W. By Horn Co, Wyo.
1 Coolee N. from 7841
on S, side.
Collected 1 specimen only
from fissile siltstone here
Collected at 7841
Willwood Fm.