Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Section L-20-1
BUTTE SE 1/4, SE 1/4, Sec. 17
T 139 N R 91 W.
0' 5 YR 8/4 BAKED DICOT
BEARING SHALE, CHIPPY
& PLATEY of THE
HARWISCH LIGNITE
SCORIA
poorly exposed in
gulley but many hills
of it near this
level
1.5 10 YR 8/2 WEATHERED
BAKED SHALE SOMEWHAT
BEDDED WITH FEW SCAT
PLANT FRAGS.
CAPPED BY A 2 IN
DISINTEGRATED ZONE
OF SR 4/6 TO 10 R 4/6
HEMATITE & GYPSUM
G.V. L.Grey UNIT OF L.Mbn
2, F.G. ARG. SS. 5 YR 6/1
UNCORSED, DATED