Laboratory in the Department of Agriculture's Federal Horticultural Board Inspection House which was located on the National Mall at 14th Street and Independence Avenue in Washington, D.C.
Washington, D.C. Circa 1920s
Last Modified: Feb 16, 2021
Laboratory in the Department of Agriculture's Federal Horticultural Board Inspection House which was located on the National Mall at 14th Street and Independence Avenue in Washington, D.C.