
Colorado River Aqueduct infrastructure defines this arid desert corridor, cutting across the landscape as it transports water toward the coast. The terrain is divided by the border of San Bernardino and Riverside Counties, which runs horizontally through the center of the sheet. To the south, the Granite Mountains rise sharply from the basin floor, providing a stark topographical contrast to the broad expanse of Ward Valley in the north. This modern survey illustrates the persistent importance of water management in the California desert, showing the aqueduct alongside drainage features like Sand Draw and the isolated utility route of Iron Mountain Pump Plant Rd.
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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
1942 · Amboy
USGS Topo · 1:250,000
1943 · Amboy
USGS Topo · 1:250,000
1943 · Iron Mountains
USGS Topo · 1:62,500
1945 · Midland
USGS Topo · 1:62,500
1952 · Midland
USGS Topo · 1:62,500
1952 · Palen Mountains
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1954 · Needles
USGS Topo · 1:250,000
1954 · Rice
USGS Topo · 1:62,500