Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
July 29
Loc 742 WEST side of EAST BRAINY BUTTE
near center Sec 33 T13N R98W
Exposure in SW facing slope
golden color from dist.
a reworked golden yell silt
micaceous tuffaceous ss
w feldspar frags.
Therefore WHITE River
just above 30' typical
Chadron indurated tuffaceous
mudstone with no
bedding