Found an interesting section with hard bands containing fossils undoubtedly Cretaceous.

The animals inhabiting these Mountains are numerous in kind, have seen or heard of Buffalo Antelope Rocky Mt. Sheep & goats. Grizzly & black bears. Beaver. Black tailed deer (?[Dawsonís ?] sp) Porcupine Skunk & various smaller animals.
The Flora is not so much different from that of the Plains as one might expect & few new or strange forms appear. Many plants which do not find moisture enough on the general level of the high prairie about here however reappear & creep out of the coulÈ bottoms to higher ground.

Camp W. Butte astron. Stn. 8 A.M. B. 25.51
T. 76" Light W. partly cloud
2 P.M. B. 25.46
T. 84" Calm Clearing
10 P.M. B. 25.55
T. 67" heavy thunder storm from the S.

July 29. Made arrangements for a trip up the highest Butte at the E. end of this western group with Capt. C. & Boswell. The latter detained & could not go. Got off at 11 A.M. Party

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