
The Southern Pacific railroad corridor dominates this mid-1970s desert landscape, cutting a straight line through the irrigated fields of the Gila River valley. Centered on the settlement of Theba, the map illustrates an era of intensive agricultural development facilitated by a complex network of irrigation channels, including Lateral A and Lateral B. Near the western edge of the quadrangle, the small siding of Piedra is noted alongside a Cem and a system of secondary desert tracks such as Sisson Road and Painted Rock Road. The topography reveals the transition from the flat agricultural basins of the Gila River Ranch to the more open desert, where features like a Corral and a Landing Field suggest the area's dual reliance on ranching and localized transport.
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This is the sole edition of this map. No revisions or reprints were ever made.
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