Niobium (Columbium) Mines in Washington
2Total Sites
0Active
Niobium (Columbium) Mining in Washington
Washington has 2 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 |
|---|---|
| Chelan County | 1 |
| Okanogan County | 1 |
Niobium (Columbium) Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Black Republican | Chelan | Surface | Unknown |
| Ralph Hart Prospect | Okanogan | Occurrence |
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