United States National Register of Historic Places |
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District of Columbia - Architect - Robert Mills
| General Post Office |
| U.S. Department of the Treasury |
| Washington Monument |
Data from United States Park Service and Wikidata
| Geography Tool Shed |
United States National Register of Historic Places |
Search |
| General Post Office |
| U.S. Department of the Treasury |
| Washington Monument |
Data from United States Park Service and Wikidata