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1925 Map of San Xavier

Name: 1925 Topographic Map of San Xavier
Creator: U.S. Geological Survey
Published: 1925
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1925

About this map

San Xavier Mission anchors the southern landscape of this 1920s controlled reconnaissance, standing near the banks of the Santa Cruz River. The area is defined by a transitional economy where large family estates like the Maish Ranch, Valencia Ranch, and Davidson's Ranch share the terrain with emerging industrial and scientific interests. On the outskirts of the growing Tucson Valley, the Desert Laboratory and St Marys Hospital represent the urban expansion creeping toward the rugged Tucson Mountains.

Resource extraction is prominent throughout the northern reaches, evidenced by the Silver Lilly Mine, the Arizona Copper Co, and the extensive Arizona Group Mines. These workings are accessed by early transit corridors like the Ajo Road and Mission Road, which navigate gaps such as Starrs Pass and Robles Pass. Large portions of the territory are designated as the Papago Indian Reservation, while distinctive landmarks like Snyder Hill and the Black Hills provide natural navigational points for surveyors.