Historical Marker

Phoebe Waterman Haas

Historical marker location:
The National Mall, District of Columbia
( Marker can be reached from Independence Avenue Southwest west of 4th Street Southwest, on the right when traveling west.)

Public Observatory

The District was originally called "Federal City": The name "Washington, D.C." was not officially adopted until the late 19th century. Before that, the city was referred to as "Federal City" or simply "Washington."
District of Columbia random facts