Hardin County, OH Stone Mines
Stone Mines in Hardin County, OH
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Boich Lime and Coal Company | Standard Slag Co | Private | Stone, Crushed | |
| Boich Lime and Coal Quarry | Private | Limestone | ||
| Hardin Quarry | Private | Limestone | ||
| Hardin Quarry | Hardin Quarry Co. | Private | Limestone | |
| Standard Slag Company | Private | Stone |