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1948 Map of Campo Bonito

Name: 1948 Topographic Map of Campo Bonito
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

Mining operations and cattle ranching dominate this high-altitude landscape along the eastern slopes of the Santa Catalina Mts. In the late 1940s, the area around Campo Bonito served as a hub for extraction, with the Southern Belle Mine, Old Maudina Mine, and Bonito Mine marking the hillsides. A Smelter located at the confluence of several washes suggests a significant industrial footprint for processing ore before transport out of the rugged terrain.

Away from the mineral claims, the map reveals a well-established ranching culture, evidenced by several family-named outfits like Kannally Ranch, C O D Ranch, and American Flag Ranch. The terrain is deeply incised by drainages such as Peppersauce Wash and Catalina Wash, which provided crucial water access via named points like Canyon Tule Spr and American Flag Spr. The boundary between Pinal Co and Pima Co cuts through the southern section near Rice Peak, anchoring these remote operations within the local political geography.