This is one of the most desirable editions from this great series of maps covering the Southwest. Arrizona shows up in the southern part of New Mexico Territory. This is thought to represent the Confederate Territory of Arizona that existed for nearly a year from August 1861 until July of 1862. The Confederate General John Robert Baylor appointed himself the territorial governor and claimed all of New Mexico Territory south of the 34th parallel for the Confederacy. In the southern part of Arizona is the Gadsden Ten Million Purchase of Mexico. The Utah/Nevada border follows the 116th meridian. The map is filled with historic and interesting notations. One note in the area of Quartzite, Arizona refers to the area as being "exceedingly fertile and abundantly timbered and well watered." The Gold Region of Colorado's South Park is prominently shown. Additional details include the U.S. Mail routes, the Emigrant road to California, Hastings Road, and the proposed railroad route through Utah, Nevada and California. This edition normally shows the Pony Express trail (1860-61), but it is not on this map, a state of this map we've never before seen. Johnson was diligent in constantly revising his plates with new information.

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Condition: B+

Nice example on supple paper with fine coloring, crisp impression and full margins. A little centerfold toning and short piece of archival tape on verso along lower centerfold.