Public domain
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
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineThe 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. 1938-01-01. Lange, Dorothea. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.