Orocopia Mountains and the Chocolate Mountains dominate this arid landscape in Riverside County, separated by the high Maniobra Valley. The desert terrain is defined by complex drainage systems and isolated water sources such as Gucci Spring and Canyon Spring, which were vital points of refuge for early travelers. The southern portion of the map is marked by the wide, sandy wash of Salt Creek, which parallels the historic path of Bradshaw Rd. This corridor preserves the route of the mid-19th-century trail used by prospectors and mail carriers traveling between the Colorado River and the coast. The topography reveals the stark geological transition at Red Canyon, where steep elevation changes and intricate contours illustrate the erosional forces at work in this part of the California desert.
16 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 · Cottonwood Spring
USGS Topo · 1:62,500
1940 · Canyon Spring
USGS Topo · 1:62,500
1940 · Durmid
USGS Topo · 1:62,500
1943 · Canyon Spring
USGS Topo · 1:62,500
1944 · Cottonwood Spring
USGS Topo · 1:62,500
1944 · Durmid
USGS Topo · 1:62,500
1944 · Frink
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Salton Sea
USGS Topo · 1:250,000