United States National Register of Historic Places |
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Black Diamond Mines
| NRHP ID: 91001425 |
| NARA ID: 123858507 |
| Wikidata ID: Q4920660 |
| Wikpedia: Black Diamond Mines Regional Preserve |
| Location (in/near): Antioch, California |
| Listed: 1991-10-02 |
| Role: District |
| Significance region: State |
| Significance area(s): Engineering; European Heritage; Historic - Non-aboriginal; Industry; Social History |
| Criteria: A (event); C (architecture/engineering); D (information potential) |
Data from United States Park Service and Wikidata