United States National Register of Historic Places |
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Empire Mine Historic District (Boundary Increase)
| NRHP ID: 13000140 |
| Location (in/near): Grass Valley, California |
| Listed: 2013-04-10 |
| Role: District |
| Significance region: Local |
| Significance area(s): Architecture; Historic - Non-aboriginal; Industry; Landscape Architecture |
Data from United States Park Service and Wikidata