
The high desert landscape of the California-Nevada borderlands is defined here by a dense network of early 20th-century mining and rail activity. This era saw intense extraction across the Spring Mountain Range and the New York Mountains, with prominent sites including the Potosi Mine, Copper World Mine, and a Copper Smelter located near Valley Wells. These industrial outposts were served by critical water sources like Stump Spr and Resting Spring, essential for survival in the arid Ivanpah Valley.
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1886 · Camp Mohave
USGS Topo · 1:250,000
1886 · Saint Thomas
USGS Topo · 1:250,000
1892 · Camp Mohave
USGS Topo · 1:250,000
1893 · Saint Thomas
USGS Topo · 1:250,000
1907 · Las Vegas
USGS Topo · 1:250,000
1908 · Furnace Creek
USGS Topo · 1:250,000
1908 · Las Vegas
USGS Topo · 1:250,000
1910 · Furnace Creek
USGS Topo · 1:250,000
1912 · Ivanpah
USGS Topo · 1:250,000
1926 · Nelson
USGS Topo · 1:96,000