Johnson's series of maps of the American Southwest is one of the most interesting progressions in 19th century American cartography. The series was produced during a time of rapid westward expansion and changes in territorial boundaries. This edition includes the original four counties of Yavapai, Mohave, Yuma, and Pima in the newly organized Arizona Territory, with Prescott as the capital. The Utah/Nevada border is now at 114° and Arizona and Nevada have their final borders. Early historical details include the United States mail routes, the emigrant roads to California, the proposed railroad route through Utah, Nevada and California, and the Pony Express trail. Historical and statistical information on the verso.

According to Ira Lourie's Johnson Map Project, this map was published in 1868 and reflects the addition of Inyo and Kern counties in California. Please visit his website for more information.

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Condition: B+

Original color on a lightly toned sheet with a couple of light spots of soiling. There is a centerfold separation that enters 5" into image at bottom and a marginal tear at bottom that have been closed with tape on verso.