United States Department of the Interior Geological Survey, and State of West Virginia Geological Survey, Harrisville Quadrangle, Ritchie County, West Virginia, Map, 1964

United States Department of the Interior Geological Survey, and State of West Virginia Geological Survey, Harrisville Quadrangle, Ritchie County, West Virginia, Map, 1964, Box: 123, Item: 319. 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/156043 Accessed October 31, 2024.