United States National Register of Historic Places |
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Allegheny River Lock and Dam No. 9
| NRHP ID: 00000403 |
| NARA ID: 71992266 |
| Wikidata ID: Q4731342 |
| Wikpedia: Allegheny River Lock and Dam No. 9 |
| Multiple property submission: Allegheny River Navigation System MPS |
| Location (in/near): Widnoon, Pennsylvania |
| Constructed: 1938 |
| Listed: 2000-04-21 |
| Role: Structure |
| Significance region: State |
| Significance area(s): Architecture; Engineering; Maritime History; Transportation |
| Criteria: A (event); C (architecture/engineering) |
Data from United States Park Service and Wikidata