The vast western reaches of the Yuma Proving Ground dominate this portion of the Arizona desert, where military land use intersects with the open landscape of La Paz County. To the northeast, the Livingston Hills provide the primary topographic relief, rising above a network of dry washes and desert terrain. The area is defined by a sparse network of roads facilitating access through the restricted military zone and surrounding public lands. Specific routes such as Palm Canyon Rd in the south, Valve 2 Rd through the center, and Desert Ave in the far northwest corner represent the limited human infrastructure in this remote region. This 2011 survey captures the area at a time of continued military testing and research, showing the precise boundaries where federal installations meet the desert wildlands.
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This is the sole edition of this map. No revisions or reprints were ever made.
1933 · Cunningham Mtn
USGS Topo · 1:48,000
1934 · Trigo Peaks
USGS Topo · 1:48,000
1939 · Trigo Peaks
USGS Topo · 1:62,500
1940 · Dome Rock Mts
USGS Topo · 1:62,500
1942 · Blythe
USGS Topo · 1:250,000
1954 · Salton Sea
USGS Topo · 1:250,000
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 · Quartzsite
USGS Topo · 1:62,500