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[Untitled photo, possibly related to: Casing and pump rod before the final filling with sand and gravel. Ridge well project, St. Marys County, Maryland]. Sourced from the Library of Congress.

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[Untitled photo, possibly related to: Casing and pump rod before the final filling with sand and gravel. Ridge well project, St. Marys County, Maryland]. Sourced from the Library of Congress.

More