Washington Monument
OLIN Partnership (Ameri...
Washington , District o...
2001-2005 (other)
United States Capitol B...
Benjamin Henry Latrobe ...
begun 1793 (creation)
General Post Office
Robert Mills (American ...
1839-1844 (creation)
Treasury Building
1838-1842 (creation)
R. Mill Plan for Washin...
1841 (creation)
1838-1942 (creation)
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