The Alamo River snakes through a heavily engineered agricultural landscape in the Imperial Valley during the early 21st century. This region is defined by a dense, rectilinear grid of irrigation and drainage infrastructure essential for desert farming, including the Holtville Main Drain and numerous specialized channels like Oak Lateral and O Rita Lateral. These waterworks facilitate the cultivation of the surrounding fields, supporting small clusters and named settlements such as Alamorio, Orita, Curlew, and Sandia. The map illustrates a highly organized rural economy where the natural path of the river is closely bounded by man-made conduits like the Moss Drain. Regional transit is anchored by the E Ben Hulse Hwy, which cuts across the northern reaches, connecting these agrarian outposts.
118 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 · 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