Niobium (Columbium) Mines in Maine
1Total Sites
0Active
Niobium (Columbium) Mining in Maine
Maine has 1 niobium (columbium)-related mine and mineral deposit locations recorded in federal databases. None are currently listed as active, but historical records document past production and geological occurrences. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Kennebec County | 1 |
Niobium (Columbium) Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Litchfield | Kennebec | Occurrence |
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