
Smoketree Valley and the northern reaches of the Palo Verde Mountains define this arid landscape in eastern Imperial County. This modern survey illustrates a topography of desert washes and low peaks, characterized by the prominent Milpitas Wash as it trends toward the southeast. The interior drainage patterns are clearly delineated, showing the natural conduits that shape the valley floor between the mountain ranges.
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This is the sole edition of this map. No revisions or reprints were ever made.
1942 · Blythe
USGS Topo · 1:250,000
1953 · Palo Verde Mountains
USGS Topo · 1:62,500
1953 · Quartz Peak
USGS Topo · 1:62,500
1953 · Chuckwalla Spring
USGS Topo · 1:62,500
1953 · Acolita
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Salton Sea
USGS Topo · 1:250,000
1959 · Salton Sea
USGS Topo · 1:250,000
1963 · Salton Sea
USGS Topo · 1:250,000
1965 · Salton Sea
USGS Topo · 1:250,000