What is the main conflict in Osborne Russell's Journal of a Trapper: Edited from the Original' by Osborne Russell?

Among conflicts with nature, Russell becomes a free trapper who operates with other trappers from Ft. Hall. In June of 1835, there is a skirmish with Blackfeet Indians near the Teton Mountains. Russell meets many friendly Indians who help him in his travels. For the first time, he sees the hot springs of the Yellowstone Lake area.