General Service Adminstration, National Capital Region, Main Treasury Building, 1500 Pennsylvania Avenue, Washington, D.C., Upper Roof Replacement and South Courtyard Renovation, Blueprints, 1993 April 7

General Service Adminstration, National Capital Region, Main Treasury Building, 1500 Pennsylvania Avenue, Washington, D.C., Upper Roof Replacement and South Courtyard Renovation, Blueprints, 1993 April 7, Box: 103, Item: 272. Institute for the History of Technology and Industrial Archaeology Records, A&M 3936. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/155996 Accessed November 23, 2024.