1957 Map of Twin Buttes, 1970 Print
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1957 Map of Twin Buttes

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.


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Map Details

Date Portrayed1957
Date Published1970
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.96 x 20.83 inches

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Source Details

CopyrightPublic Domain