Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
From top TL
5.0
4.5
4.0
4.4
4.2
4.9 incl only zone 1b's up to 1st
4.6 w/ also ss 1b's
4.6
36.2
Shale, dr gray
w/this gray h
brownq?, 1b
thinly lare w/silt
+ by SS the latter
not so common