"Explosion Pressure Design Criteria for New Seals in United States Coal Mines (draft)" by the National Institute for Occupational Safety and Health binder, undated

"Explosion Pressure Design Criteria for New Seals in United States Coal Mines (draft)" by the National Institute for Occupational Safety and Health binder, undated, Box: 42a, Folder: 1. 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/111849 Accessed November 23, 2024.