Historical Marker
Todd Duncan Residence
Historical marker location:
1600 T Street Northwest, Dupont Circle, District of Columbia
( Marker is on T Street Northwest west of 16th Street Northwest, on the right when traveling east.)
African American Heritage Trail, Washington, DC. 1600 T Street, NW.
The city was built on a swamp: The area that is now Washington, D.C. was originally a swampy, marshy region along the Potomac River. The construction of the city involved extensive drainage and landfill projects to make the land suitable for building.