October 10, 1804
At the Arikara village above present Mobridge, South Dakota, a council is held. Speeches are given, clothes and flags are presented as gifts, and the air gun is demonstrated. The men observe how the Indian lodges are constructed.
In a circle of a size suited to the dimensions of the intended lodge, they set up 16 forked posts five or six feet high, and lay poles from one fork to another. Against these poles they lean other poles, slanting from the ground, and extending about four inches above the cross poles: these are to receive the ends of the upper poles, that support the roof.
October 10, 1805
The Expedition reaches the confluence of the Snake and Clearwater rivers camping across from present Clarkston, Washington. Many supplement their diet of dried fish and roots with dog meat. Clark describes the Nez Perce.
we Set out eairly and proceed on down passed over a number of bad rapids took water in the canoes by the waves. passd Several Camps of Indians where they had large fisherys