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1937 Map of Comobabi

Name: 1937 Topographic Map of Comobabi
Creator: U.S. Geological Survey
Published: 1971
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1971

About this map

The North Comobabi Mountains and South Comobabi Mountains dominate this landscape within the Papago Indian Reservation. Surveyed in 1937, the map captures a network of small indigenous settlements and mining operations characteristic of Pima County in the early twentieth century. Clusters of activity are centered around water sources and mining claims, with scattered wells and springs supporting villages such as Ko Vaya, Sil Nakya, and Nolia.

Resource extraction is a prominent theme, evidenced by several named mining sites concentrated in the Ko Vaya Hills. Features like the Picacho Mine, Cooncan Mine, and Mildren Mine are clearly marked alongside various United States Mineral Monuments, including USLM No 4066 and USMM No 4. This desert terrain, stretching from the Santa Rosa Valley to the peak of Mt Devine, reflects a hardscrabble economy of subsistence and mineral prospecting before mid-century modernization.