Chocolate Mountains define the stark landscape of this Imperial County desert terrain, where dramatic elevation changes are recorded through the high-resolution data of the Lion Head Mtn area. The interior of this quadrangle highlights the complex topography of the range, including the strategic crossing at Salvation Pass in the southeastern quadrant. This 2018 survey reveals a landscape primarily shaped by natural features and limited human intervention, typical of this protected California wilderness. A critical point of interest for researchers of arid environments is Salvation Spring, a rare water source located near the southern border of the sheet. The map provides a precise layout of the public land survey system, including portions of t9s r15e and t10s r16e, which is essential for identifying specific sections of this remote desert territory.
8 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 · Iris
USGS Topo · 1:62,500
1940 · Iris Pass
USGS Topo · 1:62,500
1945 · Iris Pass
USGS Topo · 1:62,500
1945 · Iris
USGS Topo · 1:62,500
1953 · Chuckwalla Spring
USGS Topo · 1:62,500
1953 · Acolita
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Tortuga
USGS Topo · 1:24,000
1955 · Salton Sea
USGS Topo · 1:250,000
1956 · Iris
USGS Topo · 1:24,000