Brawley stands as a central hub of the Imperial Valley, surrounded by a complex irrigation network that transformed this arid landscape into a productive agricultural region. The New River meanders north through the territory, flanked by a massive system of water infrastructure including the Westside Main Canal, Main Spruce Canal, and numerous specialized lateral drains like the Trifollium Four Drain and Timothy One Drain. This intricate geometry of canals and drains reveals the scale of twentieth-century desert reclamation and the intensive engineering required to sustain local industry.
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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