"The Water Spray Cooler Update" by the United States Bureau of Mines, 1981

"The Water Spray Cooler Update" by the United States Bureau of Mines, 1981, Box: 17, Folder: 14. 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/111282 Accessed October 26, 2024.