Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
light gray with silt in swirls, less commonly
lemonize. About 2.0 from base discolors
from overlying gravel cap comes in:
Some small brown cleft cones
1.5 and 4.3+ from base.
Top of bluff