Public domain
Left to right: Ronald Wodin, a junior; Rex Taylor, junior; Professor Charles Black; Wayne Strong, a senior working in soils laboratory at Iowa State College. Ames, Iowa
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineLeft to right: Ronald Wodin, a junior; Rex Taylor, junior; Professor Charles Black; Wayne Strong, a senior working in soils laboratory at 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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