State Road Commission of West Virginia, Bridge Department, Plans and Profile of Overhead Crossing, over Baltimore and Ohio Railroad and Salem Fork of Tenmile Creek near Bristol, West Virginia, Primary Route U.S. #50, Blueprints, 1956 August 3

State Road Commission of West Virginia, Bridge Department, Plans and Profile of Overhead Crossing, over Baltimore and Ohio Railroad and Salem Fork of Tenmile Creek near Bristol, West Virginia, Primary Route U.S. #50, Blueprints, 1956 August 3, Box: 98, Item: 231. 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/155955 Accessed November 22, 2024.