. "Earth fill"@en . "John W. Flannagan Dam"@en . . "1964Z"^^ . . "O" . "John W. Flannagan Dam is a flood control dam located in the Cumberland Mountains of Dickenson County, Virginia. It forms the John W. Flannagan Reservoir behind it."@en . "279.197"^^ . . "1960Z"^^ . . "76.2"^^ . "Flood control" . . . .