Boron sits at the northern edge of this high desert terrain, serving as a gateway to an area defined by specialized geological features and early-21st-century military activity. The landscape is marked by the presence of the Edwards Air Force Sta, which occupies a significant portion of the southern quadrant, reflecting the enduring role of defense installations in the region. Transportation patterns are anchored by the legendary 20 Mule Team Rd, a name that evokes the mining heritage of the Mojave despite the map's modern technical standards. Smaller settlements like Rich and Silt appear alongside natural landmarks such as Leuhman Ridge and the Mound, providing clear spatial reference points for the network of secondary roads and local routes that traverse the arid flats and low ridges.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Searles Lake
USGS Topo · 1:250,000
1937 · Kramer
USGS Topo · 1:48,000
1937 · Rogers Lake
USGS Topo · 1:48,000
1942 · Kramer
USGS Topo · 1:62,500
1942 · Rogers Lake
USGS Topo · 1:62,500
1943 · Castle Butte
USGS Topo · 1:62,500
1947 · Castle Butte
USGS Topo · 1:50,000
1947 · Kramer
USGS Topo · 1:24,000
1947 · Johannesburg SE
USGS Topo · 1:25,000
1947 · Rich
USGS Topo · 1:24,000