The San Pedro River flows through this corner of Cochise County, anchoring a high-desert landscape defined by broad alluvial basins and the steep rising slopes of the Mule Mountains. Near the historic crossing at the Hereford Road Bridge, the small settlement of Hereford sits west of the river, while the community of Palominas occupies the southern reach along Az-92. The presence of the Thompson International Aviation Airport underscores the region's modern utility, contrasted by the traditional ranching and rural residential patterns along corridors like E Hereford Rd and S Palominas Rd. To the northeast, the terrain becomes increasingly complex as it climbs toward Escabrosa Ridge, where drainage features like Schoolhouse Draw and Spring Cr carve through the foothills. This survey captures a moment of transition where low-density desert living meets the significant topographic barriers of the Arizona borderlands.
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1902 · Bisbee
USGS Topo · 1:62,500
1910 · Bisbee
USGS Topo · 1:62,500
1914 · Hereford
USGS Topo · 1:125,000
1915 · Benson
USGS Topo · 1:125,000
1916 · Pearce
USGS Topo · 1:125,000
1916 · Douglas
USGS Topo · 1:125,000
1919 · Douglas
USGS Topo · 1:125,000
1925 · Gleeson
USGS Topo · 1:62,500
1927 · Bisbee
USGS Topo · 1:62,500
1932 · Stark
USGS Topo · 1:62,500