
Johnny Lyon Hills and the prominent heights of Keith Peak anchor the northern landscape of this Cochise County terrain. The region is defined by deep drainage systems like Tres Alamos Wash and Sheep Wash, which cut through the arid foothills. Human activity is sparse and centered around the namesake San Pedro Ranch, accessed by the rural corridor of N Z B Ranch Rd. In the eastern portion of the map, the Little Dragoon Mountains rise sharply, creating natural landmarks such as Clark Canyon and Granite Canyon. This 2021 survey illustrates a landscape of large-scale ranching and remote mountain topography, where historic land divisions like t15s r21e and t16s r21e still define property and water rights in the high desert. To the south, the passage of Interstate 10 skirts the edge of Texas Canyon, marking the primary modern transit corridor through this quiet ranching country.
21 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Benson
USGS Topo · 1:125,000
1922 · St. David
USGS Topo · 1:62,500
1926 · Whetstone
USGS Topo · 1:62,500
1943 · Benson
USGS Topo · 1:125,000
1943 · Dragoon
USGS Topo · 1:62,500
1945 · Happy Valley
USGS Topo · 1:62,500
1956 · Nogales
USGS Topo · 1:250,000
1956 · Tucson
USGS Topo · 1:250,000
1958 · Nogales
USGS Topo · 1:250,000
1958 · Tucson
USGS Topo · 1:250,000