Chocolate Mountains dominate the western horizon of this desert landscape, where steep slopes give way to the broad, arid expanse of the Castle Dome Plain. This 2014 survey captures a section of the Sonoran Desert defined by the drainage patterns of Indian Wash, which meanders southward toward the county line. The map records the precise boundary between La Paz Co and Yuma Co, a political line cutting through an otherwise continuous wilderness. Transport through this environment is anchored by the corridor of Us-95, which serves as the primary artery connecting these isolated basins. The topographic detail highlights the transition from the high ridges of the mountains to the alluvial fans and ephemeral watercourses that characterize the lowlands of southwestern Arizona.
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.
1934 · Trigo Peaks
USGS Topo · 1:48,000
1939 · Red Hill
USGS Topo · 1:62,500
1939 · Trigo Peaks
USGS Topo · 1:62,500
1942 · Blythe
USGS Topo · 1:250,000
1954 · Salton Sea
USGS Topo · 1:250,000
1954 · Red Hill
USGS Topo · 1:62,500
1954 · Trigo Peaks
USGS Topo · 1:62,500
1955 · Salton Sea
USGS Topo · 1:250,000
1959 · Salton Sea
USGS Topo · 1:250,000
1962 · Livingston Hills
USGS Topo · 1:62,500