Industrial mineral extraction defines the landscape of the Cadiz Valley in this remote section of the Mojave Desert. The presence of Salt Evaporator Plant Rd indicates a focus on saline resources, with numerous evaporation ponds and industrial infrastructure clustered in the eastern half of the map. This industrial activity is framed by the natural drainages of Watson Wash to the north and Browns Wash to the northeast, which feed toward the low-lying valley floor. To the southwest, the rising terrain of the Calumet Mountains provides a distinct geological boundary to the flat, salt-crusted expanse. This 2015 survey provides a clear look at the scale of commercial evaporation operations in one of California's most arid environments.
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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
1943 · Cadiz Lake
USGS Topo · 1:62,500
1943 · Cadiz Valley
USGS Topo · 1:62,500
1954 · Needles
USGS Topo · 1:250,000
1956 · Needles
USGS Topo · 1:250,000
1956 · Dale Lake
USGS Topo · 1:62,500
1956 · Bristol Lake
USGS Topo · 1:62,500
1956 · Cadiz Lake
USGS Topo · 1:62,500
1956 · Cadiz Valley
USGS Topo · 1:62,500