
The Trigo Mountains dominate this high-desert landscape in the mid-1960s, a region defined by its isolation and military significance. Large portions of the eastern terrain fall within the Yuma Proving Ground, marked by an Military Reservation Boundary (Indefinite). Historical mining activity is evident at the Hart Mine, situated along the drainages of Hart Mine Wash. The hydrology of the area is characterized by ephemeral desert watercourses, including the curiously named Crazy Woman Wash and Gould Wash to the north. Topographic highlights include the narrow passage of Needles Eye, while basic infrastructure is limited to a networked Jeep Trail and a solitary Gravel Pit. This survey captures the arid expanse before modern development, preserving the footprint of early resource extraction and federal land use.
11 named features on this map. Tap any name to fly to it.
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3 editions found
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
1945 · Cibola
USGS Topo · 1:62,500
1945 · Picacho
USGS Topo · 1:62,500
1951 · Picacho
USGS Topo · 1:62,500
1951 · Cibola
USGS Topo · 1:62,500
1952 · Mule Wash
USGS Topo · 1:24,000
1952 · Palo Verde
USGS Topo · 1:24,000