1922 Map of Agus Caliente

About this map

Mt Hopkins and Old Baldy dominate the Santa Rita range in this 1922 reconnaissance revision by the Corps of Engineers. The map details a landscape driven by early 20th-century extraction and ranching, centered around the settlement of Alto and the Wise's Ranch Steampump. Patented mining claims and remote operations are scattered throughout the Coronada National Forest, including the Mansfield Mines, Ringold Mines, and the Treasure Vault. Infrastructure of the era is evident in the Southern Pacific rail line and Stetsons Dam. Numerous family-named ranches like Praesidio's Ranch and Fish Ranch illustrate the isolated agricultural life in the canyons before the expansion of the modern Arizona borderlands.