Engine Company No. 4

Historical marker location:

931 R Street Northwest, Shaw, District of Columbia

( Marker is on R Street Northwest east of 10th Street Northwest, on the right when traveling west.)

African American Heritage Trail, Washington, DC. 931 R 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.