Clearing the site for construction of the Switzer building, c. 1939.

Taken on the adjacent site of the future FAA headquarters building, this photograph from 1961 is indicative of the conditions in Southwest DC prior to federal redevelopment.
Framing the first floor, c. 1939.
Digging and preparing the foundations, c. 1939.
The first floor lobby, under construction, c. 1939.
The first floor lobby, under construction, c. 1939.
Construction of a long central corridor from which six short, narrow wings project on both the north and south sides, c. 1939.
Installation of a garage and surface parking spaces along the C Street facade, c. 1939.
Surface parking spaces along the C Street facade, c. 1939.
Completed construction of the Mary E. Switzer building, c. 1940.