Industrial extraction and desert isolation define this corner of the Mojave Desert in San Bernardino County. A massive Salt Evaporation Plant dominates the northern landscape, where intricate grids of evaporation ponds indicate the scale of mineral operations in the arid basin. To the west, the foothills of the Bullion Mountains rise sharply from the flat lakebed, creating a stark geological boundary between the desert floor and the elevated mountain terrain. This survey illustrates the specialized infrastructure required for desert industry, with routes like America Mine Rd and Bristol Dry Lake Rd cutting across the landscape to connect remote worksites. The map also traces the primary thoroughfare of Amboy Rd, which skirts the edge of the dry lake as it navigates through this sparsely populated but industrially active region.
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This is the sole edition of this map. No revisions or reprints were ever made.
1942 · Amboy
USGS Topo · 1:250,000
1943 · Amboy
USGS Topo · 1:250,000
1954 · Needles
USGS Topo · 1:250,000
1954 · Bristol Lake NW
USGS Topo · 1:24,000
1954 · Amboy Crater
USGS Topo · 1:24,000
1954 · Bristol Lake SW
USGS Topo · 1:24,000
1955 · Lead Mtn. NE
USGS Topo · 1:24,000
1955 · Cleghorn Lakes
USGS Topo · 1:24,000
1955 · Lead Mountain
USGS Topo · 1:62,500
1956 · Needles
USGS Topo · 1:250,000