Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
BKST
#18 13' + from #17
#19 13' + from #18
#20 13' " " #19
#21 13' " " #20
#22 13' " " #21
#23 AT top of fossil Bed
9.2' (no HI. -)
from 22'