Public domain
Detail of rammed earth construction near Birmingham, Alabama. Texture of wall after thirty days of weathering
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineDetail of rammed earth construction near Birmingham, Alabama. Texture of wall after thirty days of weathering. 1937-01-01. Hibben, Thomas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.