The only very rugged part of the route is in crossing the Big Horn mountain, which is about 30 miles wide.

Snow is so common that I have omitted to note its falling at least two days out of Three.

The snow continues with high winds we remain at this camp to day in consequence of the weather.

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.

Some of them profess to be well acquainted with all the principal waters of the Columbia, with which they assured me these waters had no connection short of the ocean.

These people were well dressed in skins, had some guns, but armed generally with bows and arrows and such other instruments of war as are common among the Indians of the Missouri.

The Yellowstone river is a beautiful river to navigate.