"Use of Filter-Type, Self-Contained Self-Rescuers in Underground Coal Mines Public Hearing Report," Pittsburgh, PA, 1978 June 1

"Use of Filter-Type, Self-Contained Self-Rescuers in Underground Coal Mines Public Hearing Report," Pittsburgh, PA, 1978 June 1, Box: 31, Folder: 12. J. Davitt McAteer Papers regarding Mining Safety, A&M 4219. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/111716 Accessed December 05, 2025.