State of Ohio, Department of Transportation, Topographic Contour Maps of Dover, Loudonville, Piedmon, Warsaw, Bolivar, Tippicanoe, Wills Creek, Senecaville, Jelloway, Dearsville, Navarre, Bowerston, and Mineral City Quadrangles, 1961–1994

State of Ohio, Department of Transportation, Topographic Contour Maps of Dover, Loudonville, Piedmon, Warsaw, Bolivar, Tippicanoe, Wills Creek, Senecaville, Jelloway, Dearsville, Navarre, Bowerston, and Mineral City Quadrangles, 1961–1994, Box: 97, Item: 218. 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/155942 Accessed November 22, 2024.