Chuckwalla Mountains terrain dominates this Riverside County landscape, where deep desert washes and historical transit routes intersect. The mapping of Bradshaw Trl across the southern portion of the sheet marks the path of the famous 19th-century gold rush trail that once connected the Colorado River to the coast. In the north, the rugged topography of Red Cloud Canyon and Crystal Springs Canyon is accessed by the Red Cloud Mine Rd, reflecting the area's history of mineral exploration. Seasonal drainage patterns are clearly defined by Red Cloud Wash, Irish Wash, and Ship Cr, while modern infrastructure is represented by the north-south alignment of Gas Line Rd. This survey provides a precise look at the transition between high ridges and the desert floor in this remote interior region.
15 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.
1940 · Frink
USGS Topo · 1:62,500
1940 · Iris Pass
USGS Topo · 1:62,500
1940 · Canyon Spring
USGS Topo · 1:62,500
1943 · Canyon Spring
USGS Topo · 1:62,500
1944 · Chuckwalla Mountains
USGS Topo · 1:62,500
1944 · Frink
USGS Topo · 1:62,500
1945 · Iris Pass
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Salton Sea
USGS Topo · 1:250,000
1956 · Frink
USGS Topo · 1:62,500