Public domain
Chicago, Illinois. In the tube room of the Union Station are also kept volumes of copies of back reservation diagrams
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineChicago, Illinois. In the tube room of the Union Station are also kept volumes of copies of back reservation diagrams. 1943-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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