Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7/2/78
7858
1400 M
IH SW Sec 23 1400m S R 180-200 m
E of NW Cur. sec. 23 T9S, R23 E
JUST Above 2ance
CONTACT 20'
Lignite (thin) appear
Section just above ss (2ance)
is grey stiff.
Thick: 1'12' Lignite abt 40'
above contact
CARBON CO. MONT.