United States National Register of Historic Places |
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Upper Mississippi River 9-Foot Navigation Project MPS
NRHP: 64500878
| Lock and Dam No. 13 Historic District |
| Lock and Dam No. 15 Historic District |
| Lock and Dam No. 17 Historic District |
| Lock and Dam No. 18 Historic District |
| Lock and Dam No. 21 Historic District |
Data from United States Park Service and Wikidata