Public domain
Placing small gravel in bore hole around well point. Safe well demonstration, Ridge, Maryland, Saint Mary's County
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit linePlacing small gravel in bore hole around well point. Safe well demonstration, Ridge, Maryland, Saint Mary's County. 1941-01-01. Collier, John, Jr., Collier, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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