Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
15 N 13W, 33°E on top first massive
below transition beds. Just to N
is fault, downthrown to S, with
about 30 feet throw. Top SS is
thick here - 32'
N 28 E 61°E on ? possibly ZnCl SS.
16,
AIN 51-28
(11)
Main bed in here, cut out by channeling
to N. Sandy clay is 1/4 over channel
below it & top Dzt. To N, float from
top Dzt obscures everything.
SS - (1st?)
(12)
Thick shelly section in Dakote here
An upper SS on back slope
lower split
main bed with basal
beatonite [Sample AIN 51-28
Beds beneath lower Dzt clay Sample 1
strike (X bedded) obliquely into base
of it.
Lower split persists along with main bed,
No "little 3" unless what I'm ..
calling Dakote clay here,
60.