"Map of that Portion of the Boundary between the United States and Mexico, from the Pacific Coast to the Junction of the Gila and Colorado Rivers...and The Rio Gila from Near its Intersection with the Southern Boundary of New Mexico…", Gray, Andrew B.

This important map depicts the limits of the territory acquired in the treaty negotiated by James Gadsden in 1854. The explorations and survey were conducted under the direction of Andrew B. Gray. This large, historically significant, map is full of interesting detail including numerous gold and silver mines. Includes a large inset of the Port at San Diego, reference table, numerous notes and detailed profile plan of the map's extent.

References: Wheat (TMW) #840

Condition: B

Good impression on sound paper. Issued folding on two sheets joined, now backed with archival tissue. Light toning on some folds, else very good.