Pachalka Spring serves as a critical water point in this arid stretch of the Mojave Desert, located within the expansive drainage of Kingston Wash. This 2012 survey illustrates the sparse but essential infrastructure of San Bernardino County, where deep desert valleys are defined by long-distance utility and mining corridors. Significant routes such as Excelsior Mine Rd and Kingston Rd intersect the landscape, providing access to remote industrial sites and mountain crossings. The northeastern corner is anchored by Mesquite Pass, a topographic break that has historically guided travel through the surrounding peaks. In the south, the broad expanse of Shadow Valley is crossed by Powerline Rd, reflecting the modern role of the desert as a corridor for regional energy distribution. For the researcher, this map records the exact positioning of desert tracks and springs in a landscape where reliable water and passage have remained constant priorities for over a century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1910 · Ivanpah
USGS Topo · 1:250,000
1912 · Ivanpah
USGS Topo · 1:250,000
1942 · Ivanpah
USGS Topo · 1:250,000
1947 · Kingman
USGS Topo · 1:250,000
1948 · Kingman
USGS Topo · 1:250,000
1954 · Kingman
USGS Topo · 1:250,000
1955 · Kingman
USGS Topo · 1:250,000
1955 · Kingston Peak
USGS Topo · 1:62,500
1955 · Mescal Range
USGS Topo · 1:62,500
1956 · Halloran Spring
USGS Topo · 1:62,500