United States National Register of Historic Places |
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Iowa - Architect - United States Army Corps of Engineers
| Lock and Dam No. 14 Historic District |
| Lock and Dam No. 16 Historic District |
Data from United States Park Service and Wikidata
| Geography Tool Shed |
United States National Register of Historic Places |
Search |
| Lock and Dam No. 14 Historic District |
| Lock and Dam No. 16 Historic District |
Data from United States Park Service and Wikidata