The Colorado River Aqueduct cuts a prominent diagonal across this desert landscape, a testament to the massive infrastructure required to move water through the arid regions of Riverside County. This 2012 survey illustrates the rugged desert topography defined by erosion and drainage, most notably in Rockhouse Canyon and Fargo Canyon. While the area remains largely undeveloped, the presence of Fargo Canyon Rd in the southwest corner indicates the primary access point into this challenging environment. To the east, Washington Wash further defines the drainage patterns that have shaped this terrain over millennia.
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This is the sole edition of this map. No revisions or reprints were ever made.
1904 · Indio
USGS Topo · 1:125,000
1940 · Cottonwood Spring
USGS Topo · 1:62,500
1941 · Coachella
USGS Topo · 1:62,500
1943 · Coachella
USGS Topo · 1:62,500
1943 · Pinkham Well
USGS Topo · 1:62,500
1944 · Cottonwood Spring
USGS Topo · 1:62,500
1944 · Pinkham Well
USGS Topo · 1:62,500
1944 · Pinyon Well
USGS Topo · 1:62,500
1947 · Santa Ana
USGS Topo · 1:250,000
1949 · Santa Ana
USGS Topo · 1:250,000