Pachalka Spring serves as a critical water point in this arid stretch of the eastern Mojave Desert near the Nevada border. This 2015 survey details the intersection of high desert topography and essential infrastructure, where the protected lands of the Mojave National Preserve meet industrial corridors like Powerline Rd. The terrain is defined by the drainage of Kingston Wash and the broad expanse of Shadow Valley, providing a look at the desert landscape before it climbs toward Mesquite Pass. Several primitive routes, including Excelsior Mine Rd and Shadow Mountain Rd, trace the paths once used for regional mining and transport, offering modern researchers a clear record of the access points to this secluded portion of San Bernardino County.
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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