Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
6/24/80
8413
From this side of valley
it is evident
that white sandy
bed is lenticular
reaching its greatest
thickness dir W at tip of delta
& thinning to N & S
disappears directly W
of here.
8413 a platanus nobilis
60' above 8413
IN Fe Stunt
at top of coal layer
mollusk
8413 b unionitid & viviparid snails
8413 c soils interbedded
w 1st prominent coal
about 200' above 8413
buff to tan Fe mudstones
w forest floor markings
on upper surface