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1957 Map of Twin Buttes

Name: 1957 Topographic Map of Twin Buttes
Creator: U.S. Geological Survey
Published: 1970
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1970

About this map

The Sierrita Mountains dominate this region of Pima County, where the high desert landscape is defined by a network of ranching outposts and emerging industrial activity. In the years following the late 1930s surveys, mining operations such as the Pima Mine and Banner Mine expanded near Helmet Peak, including the development of a large Tailings Pond. These industrial sites contrast with the traditional land use represented by numerous family-named holdings like Canoa Ranch and La Cañada Ranch.

To the east, the Southern Pacific railroad follows the course of the Santa Cruz River, paralleling Highway 89. The map preserves the names of localized landmarks like Horse Pasture Hill and Soto Peak, while the drainage patterns of Esperanza Wash and Demetrie Wash show the natural hydrology before modern regional development. This edition reflects a transition from an isolated ranching frontier to a more integrated industrial landscape.