Public domain
Laying stone on the face of a stock water dam. Pine Ridge land use project. Sioux County, Nebraska
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineLaying stone on the face of a stock water dam. Pine Ridge land use project. Sioux County, Nebraska. 1936-01-01. Rothstein, Arthur. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.