Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7-15-1
Plant frags. Inc. upward
14.5" Dark grey siltstone
with plant frags.
15 sfg ss cm's.
15.3 - Brownish chippy SILSTONE
WITH small amt of
lignite, gyp, x 15.
17. 7 Br yellow zone end of
channel & of very light
gray SILSTONE into which
channel cuts.
A very thin chipping gray &
dark gray silty CLAY
with carbonaceous matter
& small gyp xts.
3
20. Siltstone becoming more
carbonaceous very dark
gray & very thinly
splitting.
1.5
21.5 Very dark gray to blackish
finely laminated silty CLAY
with carb, pl. frags,
fossil leaves (firm).
bear's leaves
8air leaves
100 ft. s.
wss.