Public domain
The longest siphon in the world crosses the Malheur Valley. It carries water to the bench land beyond a division of the project called Dead Ox Flat. Malheur County, Oregon. General caption 66-67
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineThe longest siphon in the world crosses the Malheur Valley. It carries water to the bench land beyond a division of the project called Dead Ox Flat. Malheur County, Oregon. General caption 66-67. 1939-01-01. Lange, Dorothea. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.