Wilhelm Spring serves as a critical water source in this arid expanse of Ward Valley, where the landscape is defined by the complex drainage patterns of ephemeral desert washes. The 2012 survey illustrates a topography shaped by natural water movement, with the prominent Painted Rock Wash and Homer Wash cutting across the terrain. These seasonal channels, including Browns Wash, suggest a landscape where water is the primary architect of the land, despite its infrequent presence. This map is a record of the hydrological features of San Bernardino County before further 21st-century environmental shifts, providing a detailed look at the drainage networks that support this specific corner of the California desert.
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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 · Center Hills
USGS Topo · 1:62,500
1943 · Amboy
USGS Topo · 1:250,000
1943 · Essex
USGS Topo · 1:62,500
1943 · Turtle Mts.
USGS Topo · 1:62,500
1954 · Needles
USGS Topo · 1:250,000
1954 · Turtle Mountains
USGS Topo · 1:62,500
1956 · Needles
USGS Topo · 1:250,000
1956 · Milligan
USGS Topo · 1:62,500
1956 · Essex
USGS Topo · 1:62,500