Superficial drift. Quartzite pebbles preponderant but now many of pale reddish slate. These first noticed W. of Second Milk R.

Valley of Milk R. Second Crossing
8 A.M. B. 25.76
T. 67" calm clear
Noon B. 25.66 NNE. light
T. 73" partly cloudy
Camp 71/2 m. W. of River 8 P.M. B. 25.53
T. 60"
Calm. clear Two thunderstorms this P.M.