The Imperial Valley agricultural landscape is defined by an intricate network of irrigation and drainage in this modern survey. The Alamo River snakes through the center of the sheet, crossed by the McKim Bridge as it flows past the small community of Meloland. The city of Holtville sits on the eastern edge of the quadrangle, where the street grid transitions into a vast system of canals including the Rositas Canal and Redwood Canal. These waterways, paired with numbered drains like McCall Drain and Mesquite Drain, reveal the engineering required to sustain desert farming. Local history is anchored by the Terrace Park Cem and several smaller named junctions such as Fuller, Rico, and Anza, which served as critical points in the valley's transport and irrigation corridors.
198 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
1915 · El Centro
USGS Topo · 1:125,000
1940 · Brawley
USGS Topo · 1:62,500
1940 · Heber
USGS Topo · 1:62,500
1940 · Alamorio
USGS Topo · 1:62,500
1940 · Calexico
USGS Topo · 1:62,500
1942 · El Centro
USGS Topo · 1:250,000
1943 · Heber
USGS Topo · 1:62,500
1943 · Brawley
USGS Topo · 1:62,500
1943 · Calexico
USGS Topo · 1:62,500