United States National Register of Historic Places |
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Ainsworth, Oliver N., House
| NRHP ID: 90001646 |
| NARA ID: 93205140 |
| Location (in/near): Spearfish, South Dakota |
| Listed: 1990-10-25 |
| Role: Building |
| Significance region: Local |
| Significance area(s): Architecture |
Data from United States Park Service and Wikidata