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1966 Map of Bronco Gulch

Name: 1966 Topographic Map of Bronco Gulch
Creator: U.S. Geological Survey
Published: 1967
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1967

About this map

San Carlos Indian Reservation land dominates this mid-1960s landscape, where the San Carlos River carves through high desert terrain. The area is defined by sharp elevation shifts between the Natanes Plateau and Warm Springs Flat, a region marked by a network of drainage systems like Kidde Canyon and Ash Creek. The scarcity of permanent settlements is reflected in the distribution of critical water resources, specifically named tanks such as Summit Tank and Red Rock Tank, which supported livestock and transit in this arid corridor.

Evidence of human activity is concentrated at Rocky Junction and along the Base Line in the south. The presence of a Borrow Pit near Bronco Gulch indicates local materials extraction, while the Indefinite Boundary between Gila and Graham counties highlights the surveying challenges of this remote interior. The map captures an era of specialized land use within the reservation, focused on managing the rugged watershed and seasonal Warm Springs.