Public domain
Workman with samples of "soap" oil made from olives. The "soap" oil is a thick, dark green oil. Strathmore, California
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineWorkman with samples of "soap" oil made from olives. The "soap" oil is a thick, dark green oil. Strathmore, California. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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