Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
USNM
14181
6849
NW, SW, Sec 24, T 8S R/5 W
upper end of Dilworth Bench.
Coarse
ArKosic grit interbedded
with f.g. Arkosic x bedded
& slumped slump bedded
SS , Sec also includes
Carb shales Carb interbeds
in sands & Thine lignite
zone ?
SS & grITS incl mica & much
CARB track.
6849 b - GASTropods in SS
float at level
of X bedded SS.
Toward SE side of Dilworth Bench
grit interbeds, becomes a fine
Congl with x line
& porphry pebbles.