Derwood, MD Mines
Mines in Derwood, Maryland
Mine | Owner | Land Status | Work Type | Minerals |
---|---|---|---|---|
Rockville Plant | H. B Mellott Estate | Private | Stone, Crushed |
Mine | Owner | Land Status | Work Type | Minerals |
---|---|---|---|---|
Rockville Plant | H. B Mellott Estate | Private | Stone, Crushed |