United States National Register of Historic Places |
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Keystone Furnace
| NRHP ID: 82003600 |
| Location (in/near): Pattonsville, Ohio |
| Listed: 1982-03-18 |
| Role: District |
| Significance region: State |
| Significance area(s): Exploration/Settlement; Historic - Non-aboriginal; Industry; Transportation |
Data from United States Park Service and Wikidata