Imperial Valley's agricultural complexity is visible through a dense grid of irrigation infrastructure near the settlement of Wiest. The landscape is dominated by a systematic network of canals and drains, including the Vail Supply Canal and the extensive Calipatria Drain Number Two. These water systems, such as the Nectarine Lateral and Nutmeg Lateral, highlight the intensive reclamation efforts that transformed this arid region into a productive farming hub.
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1907 · Holtville
USGS Topo · 1:125,000
1915 · El Centro
USGS Topo · 1:125,000
1940 · Brawley
USGS Topo · 1:62,500
1940 · Iris
USGS Topo · 1:62,500
1940 · Alamorio
USGS Topo · 1:62,500
1942 · El Centro
USGS Topo · 1:250,000
1943 · Brawley
USGS Topo · 1:62,500
1944 · Calipatria
USGS Topo · 1:62,500
1945 · Alamorio
USGS Topo · 1:62,500
1945 · Iris
USGS Topo · 1:62,500