Field Notebook: SD, WY 1961
Page 13
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Trail City. contd. Banded where no fossils. Gradational I, T?1 Be SH & SS Elk B. Timber lake mon Concrete Beds. Key Beds. How much Type Lance rep by Fox Hills. As west Elk Butte ascends in lower T.C. Brownish Black Highly fissile Sh Siltstone. Bull Head Grey & yell Banded Sil Sh & Silty SlA.