Walter Johnson

Historical marker location:

1500 S Capitol St SE, Navy Yard, District of Columbia

( Marker can be reached from Half Street Southeast just south of N Street Southeast, on the left when traveling south.)

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.