Old Naval Observatory
66000864
EVENT
NO STYLE LISTED
Flagg,Ernest
MILITARY
SCIENCE
1875-1899
1850-1874
1825-1849
1843
1893
BUILDING
National Register of Historic Places Collection
pdf
2054870
10/15/1966
National Register of Historic Places
State: District of Columbia
County: District of Columbia
District of Columbia ; Washington ; 23rd and E Sts., NW
Historic
1f90619f-9a01-4a8b-9b10-7789d8d53e99

Old Naval Observatory
66000864
EVENT
NO STYLE LISTED
Flagg,Ernest
MILITARY
SCIENCE
1875-1899
1850-1874
1825-1849
1843
1893
BUILDING
National Register of Historic Places Collection
pdf
418420
10/15/1966
National Register of Historic Places
State: District of Columbia
County: District of Columbia
District of Columbia ; Washington ; 23rd and E Sts., NW
Historic
2a6803a0-5894-496a-ab20-97a9a96d7ef1