Grantsville, MD Clays Mines
Clays Mines in Grantsville, Maryland
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Harbison-Walker Refactories | Harbison-Walker Refrac. Co., Div. Of Dresser Ind., Inc. | Private | Clays | |
| New Savage Clay Works Pit | Private | Clays | ||
| Otto Clay Mine | Private | Clays | ||
| Otto Clay Mine | Otto Brick And Tile Works Inc. | Private | Clays |