Baltimore & Ohio Railroad, Main Stem, Wheeling, West Virginia, East Portal and Soles Tunnel, Blueprints, 1996 April 6

Baltimore & Ohio Railroad, Main Stem, Wheeling, West Virginia, East Portal and Soles Tunnel, Blueprints, 1996 April 6, Box: 93, Item: 170. 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/155894 Accessed June 11, 2024.