McCoy Mountains rise sharply in the northeastern quadrant of this landscape, creating a distinct vertical relief against the broad, sandy expanses of the Chuckwalla Valley. This arid region in Riverside County is defined by its drainage patterns and the critical water source at McCoy Spring, a vital landmark for desert travelers and local wildlife. The map captures a largely undeveloped stretch of the Colorado Desert, where the topography transition between the valley floor and the mountain slopes dictates the flow of seasonal washes. Detailed township and range lines, such as t5s r19e and t5s r20e, provide a precise grid for those tracing land parcels or early survey routes across this remote part of Southern California.
7 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.
1942 · Blythe
USGS Topo · 1:250,000
1945 · Midland
USGS Topo · 1:62,500
1952 · Midland
USGS Topo · 1:62,500
1952 · Mc Coy Spring
USGS Topo · 1:62,500
1952 · Sidewinder Well
USGS Topo · 1:62,500
1952 · Palen Mountains
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Salton Sea
USGS Topo · 1:250,000
1959 · Salton Sea
USGS Topo · 1:250,000
1963 · Salton Sea
USGS Topo · 1:250,000