United States Department of the Interior, National Park Service, Historic American Building Survey, Historic American Engineering Record #2270, Chesapeake and Ohio Canal Aqueduct [1834] Recording Project, Williamsport, Washington County, Maryland, Historic Synthesis Map, 1997

United States Department of the Interior, National Park Service, Historic American Building Survey, Historic American Engineering Record #2270, Chesapeake and Ohio Canal Aqueduct [1834] Recording Project, Williamsport, Washington County, Maryland, Historic Synthesis Map, 1997, Box: 137, Item: 362. 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/156086 Accessed November 23, 2024.