Public domain
One and a quarter drop pipe ready to be inserted in casing. Safe well demonstration near La Plata, Maryland, Charles County
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineOne and a quarter drop pipe ready to be inserted in casing. Safe well demonstration near La Plata, Maryland, Charles County. 1941-01-01. Collier, John, Jr., Collier, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.