Public domain
Mr. Slater, engineer, and well crew straining on pump rod, temporarily fouled in 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 lineMr. Slater, engineer, and well crew straining on pump rod, temporarily fouled in 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.