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The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Photography Collection, The New York Public Library. "The All-American Canal under construction, Imperial County, California. This big earth ditch will open new territory for cultivation by bringing water for irrigation to deserts of southern California adjacent to the Imperial Valley" The New York Public Library Digital Collections. 1938. https://digitalcollections.nypl.org/items/58804710-8d05-0136-6a9e-11d3e8f342c4
The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Photography Collection, The New York Public Library. "The All-American Canal under construction, Imperial County, California. This big earth ditch will open new territory for cultivation by bringing water for irrigation to deserts of southern California adjacent to the Imperial Valley" New York Public Library Digital Collections. Accessed January 16, 2025. https://digitalcollections.nypl.org/items/58804710-8d05-0136-6a9e-11d3e8f342c4
The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Photography Collection, The New York Public Library. (1938). The All-American Canal under construction, Imperial County, California. This big earth ditch will open new territory for cultivation by bringing water for irrigation to deserts of southern California adjacent to the Imperial Valley Retrieved from https://digitalcollections.nypl.org/items/58804710-8d05-0136-6a9e-11d3e8f342c4
<ref name=NYPL>{{cite web | url=https://digitalcollections.nypl.org/items/58804710-8d05-0136-6a9e-11d3e8f342c4 | title=
(still image)
The All-American Canal under construction, Imperial County, California. This big earth ditch will open new territory for cultivation by bringing water for irrigation to deserts of southern California adjacent to the Imperial Valley, (1938)|author=Digital Collections, The New York Public Library |accessdate=January 16, 2025 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>