Iron Mountain, MI Manganese Mines
Manganese Mines in Iron Mountain, Michigan
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Groveland Mine | The Hanna Mining Co. | Surface | Manganese | |
| Groveland Mine | The Hanna Mining Co. | Private | Surface | Manganese |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Groveland Mine | The Hanna Mining Co. | Surface | Manganese | |
| Groveland Mine | The Hanna Mining Co. | Private | Surface | Manganese |