Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
SECTION of Foss, liferous
Aspen shale
lies near the top of
the contact w
the front or
Below it is a sec of
greenish to brownish
shales
foss sect consists of
W7 lt grey porcellanous
Tuff us inter bedded
w greenish to
grey to dark grey
vole. mudsts.
2 0.8 W7 Tuffaceous
mudst w/