Public domain
Cinder block plant which supplies cinder block for the Greenbelt Project, Maryland
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineCinder block plant which supplies cinder block for the Greenbelt Project, Maryland. 1936-01-01. Mydans, Carl, United States. Resettlement Administration. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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