These mountains appear to be almost entirely composed of stratas of rock of various colours (mostly red) and are partially covered with a dwarfish growth of pine and cedar, which are the only species of timber to be seen.
The Yellowstone river is a beautiful river to navigate.
On my passage thither, I discovered nothing remarkable in the features of the country.
Several speeches were made by the chiefs during the council, all expressive in the highest degree of their friendly disposition towards our government, and their conduct in every particular manifested the sincerity of their declarations.
The weather was fine, the valleys literally covered with buffaloe, and everything seemed to promise a safe and speedy movement to the first grove of timber on my route, supposed to be about ten days' march.
They urged me to take up winter quarters at the forks of the Platt, stating that if I attempted to advance further until spring, I would endanger the lives of my whole party.