
The Sulphur Springs Valley provides a wide alluvial floor for this Cochise County landscape, where the northern outskirts of Willcox meet the foothills of the Dos Cabezas Mountains. The geography is defined by the critical transit corridor through Railroad Pass, a natural gap that has long facilitated movement across the high desert. Settlement patterns here are characterized by a grid of ranch and residential roads such as W Saguaro Rd and N Korstens Ranch Rd, extending toward the isolated rises of the Circle I Hills and Spike E Hills. Infrastructure for the local community is anchored by the Cochise College - Willcox Center, while the ephemeral Campomocho Draw drains the basin toward the south. Near the northeastern corner of the map, the small settlement of Raso marks a point along the railroad line near the divide.
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This is the sole edition of this map. No revisions or reprints were ever made.
1922 · Willcox
USGS Topo · 1:125,000
1943 · Dos Cabezas
USGS Topo · 1:62,500
1943 · Willcox
USGS Topo · 1:62,500
1943 · Cochise
USGS Topo · 1:62,500
1944 · Fisher Hills
USGS Topo · 1:62,500
1954 · Silver City
USGS Topo · 1:250,000
1957 · Dos Cabezas
USGS Topo · 1:62,500
1957 · Luzena
USGS Topo · 1:62,500
1958 · Silver City
USGS Topo · 1:250,000
1958 · Willcox
USGS Topo · 1:62,500