Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
787-6
Dark to carbonaceous claystone, (6"
zone of fragmental semiflint at
base)
790-5
Dark to carbonaceous shaley
claystone, 2" coaly bone at top.
792-2
Coal
799
Dark argillaceous siltstone grading
to sandy siltstone.