1990 Map of Vopoki Ridge SE

About this map

Aquiles Serdán sits just south of the international border in the Mexican state of Sonora, providing a rare cross-border perspective on this arid corridor. This provisional survey captures the transition between the Yuma Desert in the United States and the expansive sands of the Desierto de Altar to the south. North of the boundary line, the landscape is dominated by the Barry M Goldwater Air Force Range within Yuma Co, Arizona. The map illustrates the stark geography of the borderlands during the late twentieth century, showing the grid-like settlement of Aquiles Serdán set against the natural dunes and scrub. The inclusion of manuscript data from Mexican cartographic agencies alongside USGS field checks provides a synchronized view of the political and physical boundaries of this desert region.