| Historic Site 1991-04-19 County: District of Columbia Map Point |
| Historic Site 1991-03-29 County: District of Columbia Map Area |
| Historic Site 1973-07-02 County: District of Columbia Map Point |
| Historic Site 1972-11-28 County: District of Columbia Map Point |
| Historic Site 1971-05-27 County: District of Columbia Map Point |
| Historic Site 1972-03-16 County: District of Columbia Map Point |
| Historic Site 1967-05-28 County: District of Columbia Map Area |
| Historic Site 1972-03-16 County: District of Columbia Map Point |
| Historic Site 1991-03-19 County: District of Columbia Map Point |
| Historic Site 1966-10-15 County: District of Columbia Map Point |
| Historic Site 1971-03-31 County: District of Columbia Map Point |
| Historic Site 1967-05-28 County: District of Columbia Map Area |
| Historic Site 1975-03-13 County: District of Columbia Map Point |
| Historic Site 1991-06-27 County: District of Columbia Map Point |
| Historic Site 1972-03-16 County: District of Columbia Map Point |
| Historic Site 1973-07-02 County: District of Columbia Map Point |
| Historic Site 1995-02-10 County: District of Columbia Map Point |
| Historic Site 1971-05-06 County: District of Columbia Map Point |
| Historic Site 1996-03-01 County: District of Columbia Map Point |
| Historic Site 1972-03-16 County: District of Columbia Map Point |
| Historic Site 1992-01-17 County: District of Columbia Map Point |
| Historic Site 1971-05-06 County: District of Columbia Map Point |
| Historic Site 1994-09-09 County: District of Columbia Map Point |
| Historic Site 1976-12-08 County: District of Columbia Map Point |
| Historic Site 1971-09-10 County: District of Columbia Map Point |
| Historic Site 1997-09-11 County: District of Columbia Map Point |