
The arid landscape of Imperial County is dominated by the shifting dunes of the Sand Hills and the expansive plateaus of Pilot Knob Mesa and East Mesa. The 1950s infrastructure here is defined by water and transit: the Coachella Canal cuts a sharp line across the desert floor, featuring the engineered milestone of Drop 1. The Southern Pacific railroad traverses the northeast corner, passing through the small station at Cactus. Large swaths of the northern territory are dedicated to military operations, marked as a Naval Reservation and an Impact Range, reflecting the post-war strategic use of the remote desert terrain. This survey illustrates the delicate balance between natural dune movement and the industrial efforts to bring water and rail through the Colorado Desert.
11 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Yuma
USGS Topo · 1:125,000
1905 · Yuma
USGS Topo · 1:125,000
1907 · Holtville
USGS Topo · 1:125,000
1942 · El Centro
USGS Topo · 1:250,000
1942 · Yuma
USGS Topo · 1:250,000
1953 · Grays Well
USGS Topo · 1:24,000
1953 · Ogilby
USGS Topo · 1:62,500
1953 · Grays Well NE
USGS Topo · 1:24,000
1954 · El Centro
USGS Topo · 1:250,000
1954 · Glamis SE
USGS Topo · 1:24,000