East Mesa defines the eastern boundary of this highly structured agricultural landscape in Imperial County. The map reveals an intricate network of irrigation and drainage infrastructure essential for desert farming, including the Holtville Main Drain and Holtville Six Drain. The land is meticulously partitioned by a series of alphabetically named water features, such as the Orient Lateral, Occident Lateral, and Oasis Lateral, which run parallel to a rigid grid of rural roads. This pattern of water management illustrates the intensive engineering required to sustain cultivation in the arid region near the California-Mexico border. Local transport follows this same geometric precision, with routes like Highline Rd and Poore Rd serving the scattered farmsteads and fields that characterize the area's twentieth-century development.
67 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.
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