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1978 Map of San Juan Spring

Name: 1978 Topographic Map of San Juan Spring
Creator: U.S. Geological Survey
Published: 1979
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1979

About this map

The Baboquivari Mountains dominate the landscape of the Papago Indian Reservation in this 1970s topographic study. The area is defined by a series of drainage networks including the San Juan Wash, Kug Wash, and Ali Molina Wash, which carve through the arid terrain toward the Baboquivari Valley. Evidence of habitation and historical use is scattered throughout the slopes, notably at the Pavo Kug (Ruins) and the settlement at Gu Chuapo.

Resource extraction and survival in the desert are highlighted by several Prospect locations and the critical San Juan Spring. A lone Grave and various corrals indicate a history of ranching and movement along remote tracks like the Jeep Trail. This survey provides a look at the traditional lands of the Tohono O'odham people before later administrative name changes, capturing the infrastructure of isolated desert life.