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2018 Map of Penitas Hills

Name: 2018 Topographic Map of Penitas Hills
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

Baldy Peak and the Black Hills dominate this arid Pima County landscape, where water management is the primary marker of human activity. The map reveals an intricate network of tanks and washes essential for ranching and survival in the desert, including New Tank, La Cholla Tank, and the West-Coast Tank. These man-made features are connected by seasonal drainages such as San Juan Wash and Tascuela Wash, which carve through the terrain near the Sierrita Mountains.

Remote transportation routes like Ryan Ranch Rd and Batamote Rd provide the only access through the Peñitas Hills. This 2018 survey illustrates the continued importance of historical ranching infrastructure, where named landmarks like Tascuela Canyon and Champurjado Wash define the geographic boundaries of the region. The spatial arrangement of these features suggests a landscape still deeply tied to its cattle-ranching roots and the critical need for water storage across the high desert.