We continued to move forward ...

We continued to move forward without loss of time, hoping to be able to reach the wood described by the Indians before all our horses should become exhausted.
 William Henry Ashley

Quotes from the same author

The only very rugged part of the route is in crossing the Big Horn mountain, which is about 30 miles wide.
 William Henry Ashley
I had the Big Horn river explored from Wind River mountain to my place of embarkation.
 William Henry Ashley
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.
 William Henry Ashley