Drawing with from left to right:

Base of Lig. Tert.; Upper Cret. Sandstone; Sombre clays; Thin lower sandstone; Trap

Camp. W. Butte. Astron. Stn. 8 A.M. B. 25.51 S. cloudless
T. 70"
11 A.M. B. 25.58
Bar. on Summit highest Butte 4.30 P.M. 22.87

Camp 8 P.M. B. 25.50
T. 60" W.S.W. Light clear
The Barometer readings are of course subject to a correction of +0.30

Mr. Fish's readings at Depot Camp lower down the stream. Mean of 2 Standard Aneroids
8 A.M. 26.09
Noon 26.09
9 P.M. 26.16
Making a difference of very nearly 3 inches. (2.99) between Depot Camp & Summit
By Mr. Fish's observations the height of DepÙt Camp will be well ascertained.
Compass. bearings (references to plan of July 24) Peak of E. Butte. 83" Rear peak of E. Butte (F) 87.5" Small cone (G) 114.5". To U.S.Camp on line. 59" To middle Butte (A) 109.5". To Butte (H) 303" To Butte (I) 325". To Peaks of N. edge of hills round Pyramid Butte (=A) 98".