Public domain
Bottom of concrete slab for new sanitary privy. This is a way of reducing the weight of slabs. The concrete beams are placed where needed. Minnesota
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineBottom of concrete slab for new sanitary privy. This is a way of reducing the weight of slabs. The concrete beams are placed where needed. Minnesota. 1941-01-01. Shipman. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.