Washington, D.C.
Andrew Ellicott (Americ...
[Washington , District ...
Pennsylvania Avenue
Pierre Charles L'Enfant...
Washington, District of...
18th-20th Century (crea...
National Mall
1791-20th century (crea...
[Library of Congress, W...
Ellicott Revision of L'...
Washington , District o...
1800 (creation)
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