
Salt Evaporators dominate the northern portion of this arid basin, where an intricate grid of infrastructure marks the industrial extraction of minerals from Bristol Lake. Surveyed in the early 1950s, the map reveals a stark landscape of chemical production and military training. The southeastern slopes of the Bullion Mountains transition into the massive Marine Corps Training Center, while Amboy Road serves as the primary artery cutting through the desert terrain. Scattered across the alluvial fans and rocky outcrops are numerous small-scale mining efforts, marked simply as Prospect or Gravel Pit, reflecting the area's mineral-focused economy. The high-contrast patterns of the evaporative ponds provide a sharp visual record of mid-century industrial salt production in the Mojave Desert.
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4 editions found
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