United States Department of the Interior, National Park Service, Historic American Engineering Record, Institute for the History of Technology and Industrial Archaeology, McDowell Bridge over Crab Run Lane Truss, (1896), Highland County, Virginia; Old Staunton to Parkersburg Turnpike Crossing Cow Run, Highland County, Virginia, Blueprints, undated

United States Department of the Interior, National Park Service, Historic American Engineering Record, Institute for the History of Technology and Industrial Archaeology, McDowell Bridge over Crab Run Lane Truss, (1896), Highland County, Virginia; Old Staunton to Parkersburg Turnpike Crossing Cow Run, Highland County, Virginia, Blueprints, undated, Box: 117, Item: 302. 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/156026 Accessed January 08, 2025.