Johnson's California territories of New Mexico and Utah by Johnson and Ward.

Rare and important third state of the Johnson southwest map, now with a clearly defined Arrizona Territory.
Published in 1862 at the height of the American Civil War, this stunning map depicts the state of California and the territories of Nevada, Utah, Colorado, New Mexico and Arizona.
This example also varies from the previous state of the map in that the California – Nevada border has been corrected to a straight line between Pyramid Peak (where several Mormon settlements are noted) and Fort Moliare.
Gadsden Purchase line of June 20, 1854. AZ is southern third of NM and is subtitled "The Gadsden Ten Million Purchase of Mexico" and references to gold, silver and copper mines. Mail steamship routes shown off the California coast. Routes of the explorers such as Fremont, Gunnison, and Whipple are shown. Emigrant Road is marked by a series of crosses.
Shows natural features, locations of Indian tribes, proposed railroad routes, routes of explorers, trails, county boundaries and populated places.
Plates 58 and 59 removed from Alvin Jewett Johnson's (1827-1884) "New illustrated family atlas of the world, with descriptions geographical, statistical and historical .."

Reference: University of Nevada, Reno, Special Collections, G4300 1862 J646. Wheat, C. I., Mapping of the Transmississippi West, 1540-1861 (5 vols), #1027.