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1960 Map of Duncan

Name: 1960 Topographic Map of Duncan
Creator: U.S. Geological Survey
Published: 1983
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1983

About this map

The Gila River valley serves as the lifeblood of this high-desert borderland, supporting a network of agricultural settlements and irrigation infrastructure as they appeared in 1960. The town of Duncan stands as the primary hub, surrounded by a complex system of canals and water management features like Horseshoe Terrace Dam No 1 and Stateline Dam, which define the agrarian footprint near the Arizona-New Mexico border. The Southern Pacific Railroad cuts a diagonal path through the valley, linking the river communities of Franklin and Virden to wider markets.

To the west, the landscape rises sharply into the Whitlock Mountains, dominated by Whitlock Peak. This arid backcountry is characterized by numerous named canyons and draws, such as Poppy Canyon and Gillespie Canyon, which contrast with the valley's managed waters. Scattered throughout the territory are family-held landmarks like the Cox Ranch and Rainville Ranch, illustrating the sparse but persistent ranching history of Greenlee County.