United States National Register of Historic Places |
Search  |
Lock and Dam No. 21 Historic District
| NRHP ID: 04000181 |
| NARA ID: 28890707 |
| Wikidata ID: Q1867486 |
| Wikpedia: Lock and Dam No. 21 |
| Multiple property submission: Upper Mississippi River 9-Foot Navigation Project MPS |
| Location (in/near): Quincy, Illinois |
| Listed: 2004-03-10 |
| Role: District |
| Significance region: National |
| Significance area(s): Commerce; Conservation; Economics; Maritime History; Military; Politics/Government; Social History; Transportation |
| Criteria: A (event); C (architecture/engineering) |
| Architect(s): United States Army Corps of Engineers |
Data from United States Park Service and Wikidata