Penobscot County, ME Manganese Mines
Manganese Mines in Penobscot County, ME
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Cemetary Hill Prospect | Private | Manganese | ||
| Hall Hill Prospect | Private | Manganese | ||
| Unnamed Prospect | Private | Manganese |
Penobscot County, ME Manganese Mines
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