John Paul Jones Memorial

Historical marker location:

The National Mall, District of Columbia

( Marker is at the intersection of 17th Street Southwest and Independence Avenue Southwest, on the left when traveling south on 17th Street Southwest.)

Marker installed: 1912

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.