The San Pedro River corridor defines this arid Pima County landscape, where water drainage patterns dictate the placement of ranch roads and remote settlements. The industrial presence of San Manuel in the northwest contrasts with the expansive network of alluvial washes, such as Peppersauce Wash and Stratton Wash, that cut through the desert floor. Historical land use is evident in the named ranching access routes like Tom Rhodes Ranch Rd and Yle Ranch Rd, which navigate the terrain between the Little Black Hills and the river valley. The map reveals the intricate intersection of natural geography and modern infrastructure, notably where Black Hills Mine Rd provides transit through the complex canyon systems of Alder Canyon and YLE Canyon.
20 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.
1904 · Tucson
USGS Topo · 1:125,000
1905 · Tucson
USGS Topo · 1:125,000
1911 · Winkelman
USGS Topo · 1:125,000
1913 · Winkelman
USGS Topo · 1:125,000
1938 · Galiuro Mts
USGS Topo · 1:48,000
1943 · Galiuro Mts
USGS Topo · 1:62,500
1945 · Redington
USGS Topo · 1:62,500
1948 · Clark Ranch
USGS Topo · 1:24,000
1948 · Mammoth
USGS Topo · 1:62,500
1948 · Mammoth
USGS Topo · 1:24,000