Organ Pipe Cactus National Monument dominates the Sonoran desert landscape in this portion of Pima County, where drainage patterns define the arid environment. The map centers on the namesake Armenta Well, a critical water point for ranching and travel in this remote corridor. Several major seasonal watercourses, including Gunsight Wash, Cuerda de Lena, and Kuakatch Wash, carve through the terrain, indicating the flow of water from the Gunsight Hills in the northeast. The presence of Az-85 running north-to-south provides a primary modern artery through this historic borderlands region, illustrating the intersection of protected federal lands and state infrastructure.
7 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.
1932 · Ajo
USGS Topo · 1:62,500
1934 · Ajo
USGS Topo · 1:62,500
1953 · Ajo
USGS Topo · 1:250,000
1957 · Ajo
USGS Topo · 1:250,000
1958 · Ajo
USGS Topo · 1:250,000
1962 · Ajo
USGS Topo · 1:250,000
1963 · Ajo
USGS Topo · 1:250,000
1963 · Ajo
USGS Topo · 1:62,500
1963 · Sikort Chuapo Mts
USGS Topo · 1:62,500
1963 · Mt. Ajo
USGS Topo · 1:62,500