
The Imperial Valley and East Mesa transition into the distinctive sands of the Algodones Dunes in this 2021 record of the California desert. The most prominent engineered feature is the Coachella Canal, which cuts diagonally across the landscape, paralleled by Coachella Canal Rd. This infrastructure is vital for water transport in the arid basin, defining the boundary between the relatively flat alluvial mesa and the shifting dune field to the east. Modern access routes like Gecko Rd and Osborne Park Rd reach into the dunes, which are a major focal point for recreation and geography in Imperial County. Land markers include Deer Peak rising above the mesa, providing a rare point of elevation amidst the expansive desert floor and the intricate topography of the dune system.
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This is the sole edition of this map. No revisions or reprints were ever made.
1907 · Holtville
USGS Topo · 1:125,000
1940 · Iris
USGS Topo · 1:62,500
1940 · Alamorio
USGS Topo · 1:62,500
1942 · El Centro
USGS Topo · 1:250,000
1945 · Alamorio
USGS Topo · 1:62,500
1945 · Iris
USGS Topo · 1:62,500
1953 · Acolita
USGS Topo · 1:24,000
1953 · Acolita
USGS Topo · 1:62,500
1954 · El Centro
USGS Topo · 1:250,000
1954 · Salton Sea
USGS Topo · 1:250,000