The Line of Duty

Historical marker location:

1100 Ohio Drive Southwest, East Potomac Park, District of Columbia

( Marker is on Ohio Drive Southwest north of Buckeye Drive Southwest, on the right when traveling north.)

United States Park Police. National Park Service, U.S. Department of the Interior

The District was a major center of the slave trade in the 19th century: Prior to the Civil War, Washington, D.C. was home to one of the largest slave markets in the country. Slaves were bought and sold in public auctions held in the city, and many prominent politicians and businessmen owned slaves.