Public domain
George Craker, freshman, working in the Soils Laboratory in Agricultural Hall, Iowa State College. Ames, Iowa
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGeorge Craker, freshman, working in the Soils Laboratory in Agricultural Hall, Iowa State College. Ames, Iowa. 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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