30 ft. S of jct. of Southern Ave. and D St., Washington, District Of Columbia. County/parish: District of Columbia.
Added to the National Register of Historic Places November 01, 1996. NRIS 96001248.
Part of Boundary Markers of the Original District of Columbia MPS (NRIS 64500677).
2 contributing objects.National Park Service documentation: https://catalog.archives.gov/id/117691718