Pittsburgh, Pennsylvania Map, showing Allegheny Town and Aqueduct, ca. 1831, 1970

Pittsburgh, Pennsylvania Map, showing Allegheny Town and Aqueduct, ca. 1831, 1970, Box: 84, Item: 58. 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/155780 Accessed November 22, 2024.