United States National Register of Historic Places |
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Tunnel Mill
| NRHP ID: 75000978 |
| NARA ID: 93201707 |
| Location (in/near): Spring Valley, Minnesota |
| Listed: 1975-05-12 |
| Role: Building |
| Significance region: State |
| Significance area(s): Engineering; Industry |
Data from United States Park Service and Wikidata