Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Pre-C Granite weathering
red.
Fountain Red ss Cgl result of
Pb orogeny of Colo Rockies.
"Granite dust"
Lyons. White ss.
Dakota. Basal buff ss middle. marinessh.
Upper buff ferruginous.