Nineteen prints of pen and ink drawings (10 in. by 13 in.) of coal mining operations featuring individual workers and their equipment by Olin P. Keyes, Jr. Four prints include rescue workers; Publication: Unknown, 1970

Nineteen prints of pen and ink drawings (10 in. by 13 in.) of coal mining operations featuring individual workers and their equipment by Olin P. Keyes, Jr. Four prints include rescue workers; Publication: Unknown, 1970, Box: 1, Folder: 4. Appalachian Prints Collection, A&M 4554. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/200093 Accessed November 25, 2024.