Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
A. Powell
C. I[illegible]TON
7/11/82
9
8220 N side Brownie Butter
975 m E, 220 m N. 5th Sec. 31, T 21 N,
R 37E; Garfield Co. MONT.
Trumbo Ranch 7-1/2 qm.
px
Tullock - Hell Creek Bdy.
at base of 2 lignite zone
15 feet below this is
thin lignite called lower
Z that occurs laterally
to base of Hart (Upper log)
channel.