Tortuga stands as a lonely point of reference in this landscape defined by the engineered waters of the Coachella Canal and the natural barriers of the Colorado Desert. The irrigation infrastructure cuts a sharp diagonal across the East Mesa, supporting the agricultural margins of the Imperial Valley while buffered by the shifting sands of the Algodones Dunes. To the northeast, the terrain rises sharply into the Chocolate Mountains, where Salvation Pass offers a break in the high ground. Local transit and maintenance routes like Ted Kipf Rd and Green Rd provide the only passage through this arid expanse, connecting the canal works to the surrounding desert washes. The map details the delicate balance between the arid environment of Mammoth Wash and the vital water delivery systems essential to the region's development.
16 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.
1940 · Iris
USGS Topo · 1:62,500
1940 · Iris Pass
USGS Topo · 1:62,500
1945 · Iris Pass
USGS Topo · 1:62,500
1945 · Iris
USGS Topo · 1:62,500
1953 · Acolita
USGS Topo · 1:24,000
1953 · Chuckwalla Spring
USGS Topo · 1:62,500
1953 · Acolita
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Tortuga
USGS Topo · 1:24,000
1955 · Salton Sea
USGS Topo · 1:250,000