This map, dated 1860, shows all of Nevada, Utah and most of Colorado in fine detail with mountains portrayed via hachure. Also shows part of California from about Long Beach (San Pedro) north to Oregon. The numerous forts are shown with blue overprinting and include St. Vrains, Wingate, Camp Collins, Bonneville, Uintah, Ruby, Tejon, Reading, Bidwell, and the camps of McDermot and Summit Lake. Shows topography, watershed, wagon roads and trails, towns and settlements, springs, fords, military routes and campaigns and proposed railroads. Table lists at least 17 sources for this map including the maps of Fremont, Stansbury, Gunnison, Beckwith, Parke, the journal of F. Francisco Silvestre Velez Escalante and several more. Small vertical map at extreme left is "March Routes of Army of Tennessee from Savannah, Ga., to Columbia, S.C., 1865.

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Condition: A+

Fine example that is professionally encapsulated in archival Mylar.