
Imperial Valley and the arid expanse of East Mesa dominate this borderland landscape in Imperial County. The most significant infrastructure is the All American Canal, an immense desert waterway that runs west toward the valley floor, south of which lies the international boundary marked as United States of America Estados Unidos Mexicanos. Transport through this arid terrain is facilitated by Evan Hewes Hwy and the isolated Desert Rd. The map illustrates the stark intersection of vital irrigation engineering and the open desert, where the agricultural potential of the valley meets the undeveloped sands of the mesa. This 2021 survey details the precise path of the canal and the surrounding township and range divisions, including t16s r17e and t17s r18e.
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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 · Alamorio
USGS Topo · 1:62,500
1940 · Calexico
USGS Topo · 1:62,500
1942 · El Centro
USGS Topo · 1:250,000
1943 · Calexico
USGS Topo · 1:62,500
1945 · Alamorio
USGS Topo · 1:62,500
1953 · Calexico
USGS Topo · 1:50,000
1954 · El Centro
USGS Topo · 1:250,000
1954 · Midway Well NW
USGS Topo · 1:24,000
1954 · Glamis SE
USGS Topo · 1:24,000