The San Pedro River corridor defines the western edge of this Pinal County landscape, serving as a vital riparian artery through a terrain carved by numerous ephemeral drainages. The map reveals a complex network of seasonal waterways, including the winding Eskiminzin Wash, Green Lantern Wash, and Piper Springs Wash, which all flow toward the river valley. Higher elevations to the north and east are marked by prominent landforms such as Saddle Mtn, Rattlesnake Basin, and the deep incision of Rattlesnake Canyon. This survey captures the transition from the river bottomlands, where residential streets like N Cholla St and N Valentine Rd are established, to the high desert plateaus. Water sources like Piper Springs and Carrico Spring remain key landmarks for understanding the historical and ecological development of this arid region.
39 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.
1910 · Ray
USGS Topo · 1:62,500
1911 · Winkelman
USGS Topo · 1:125,000
1913 · Winkelman
USGS Topo · 1:125,000
1915 · Christmas
USGS Topo · 1:62,500
1917 · Christmas
USGS Topo · 1:62,500
1949 · Holy Joe Peak
USGS Topo · 1:62,500
1949 · Winkelman
USGS Topo · 1:24,000
1949 · Winkelman
USGS Topo · 1:62,500
1949 · Saddle Mtn.
USGS Topo · 1:24,000
1949 · Brandenburg Mtn
USGS Topo · 1:24,000