Public domain
Defense housing, Erie, Pennsylvania. Leveling-off process between cement foundation blocks preparatory to receiving cinder filling. Cement floor will later be poured over with reinforcements
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineDefense housing, Erie, Pennsylvania. Leveling-off process between cement foundation blocks preparatory to receiving cinder filling. Cement floor will later be poured over with reinforcements. 1941-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.