Major General John A. Logan

Historical marker location:

Logan Circle, District of Columbia

( Memorial is at the intersection of Logan Circle Northwest and 13th Street Northwest, on the right when traveling east on Logan Circle Northwest.)

Marker installed: 1901

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.