
Palen Valley dominates this desert landscape in eastern Riverside County, where the dry lakebed environment meets the rising slopes of the Palen Mountains. The map illustrates the convergence of two major desert basins, as the valley floor transitions southward into the Chuckwalla Valley. This area is defined by its arid character and lacks the permanent settlements or developed roads seen in more populous regions of the state. Instead, the survey provides a precise look at the township and range lines across the T3S, T4S, and T5S boundaries, which are essential for locating historical mining claims or land allotments in this part of the Mojave Desert. The intricate contour lines along the eastern edge of the sheet reveal the complex topography of the mountain range that flanks the valley.
11 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.
1943 · Coxcomb Mountains
USGS Topo · 1:62,500
1944 · Chuckwalla Mountains
USGS Topo · 1:62,500
1944 · Coxcomb Mountains
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
1963 · Chuckwalla Mountains
USGS Topo · 1:62,500