Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
810-6 to 811-2 Grey + tan silt/clay + silty
silt/clay, fragmental (SC 257)
811-2 to 811-8 Dark brownish gray flint clay
"slick" coatings of gypsum (SC 258)