Public domain
Tamping in earth around top of pump after fill of gravel has been poured around the casing. Ridge well project, Saint Mary's County, Maryland
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTamping in earth around top of pump after fill of gravel has been poured around the casing. Ridge well project, Saint Mary's County, Maryland. 1941-01-01. Collier, John, Jr., Collier, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.