Colton's Oregon, Washington, Idaho, Montana, and British Columbia.
This is a region that Colton featured over the years, catching the progression of the area over decades, and this is an interesting stage in the progression. Now Wyoming has arrived, and is divided by five vertical counties, each hand colored, as in the other states and territories. Shows the forts and towns of the area, as well as many explorer routes including Fremont, Stansbury, Arnold, Mullen, and many others.
Condition is good with one unfortunate instance instance of marginal chipping at the top that and some tape repairs to the verso margins. Image size is 16.5 x 27 (inches).