Field Notebook: CO 1955
Page 95
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
4.0 Chystone, red, silty. 3.5 Chystone, green, silty. 10.t Chystone, brick red, silty. wash - with brown patches red & green Chystone for approx 35-40 feet to crack bed where broken ss ledge comes in - this may be float but looks good.