Washington County, OH Manganese Mines
Manganese Mines in Washington County, OH
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| (Facility) Marietta Smelter | Eldem Metals Co. | Manganese | ||
| Union Carbide/ Marietta, Ohio | Union Carbide Corp. | Private | Manganese |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| (Facility) Marietta Smelter | Eldem Metals Co. | Manganese | ||
| Union Carbide/ Marietta, Ohio | Union Carbide Corp. | Private | Manganese |