[Clark, September 12, 1804]
Septr. 12th Wednesday 1804 a Dark Cloudy Day the wind hard from the N. W. we passed (1) a Island the middle of the river at the head of which we found great dificuelty in passing between the Sand bars the water Swift and Shallow, it took 3/4 of the day to make one mile, we Camped on the L. S. opsd. a Village of Barking Prarie Squriels
I walked out in the morning and Saw Several Villages of those little animals, also a great number of Grous & 3 foxes, and observed Slate & Coal mixed, Some verry high hills on each Side of the river. rains a little all day.