MSHA Memo for Sand and Gravel Operators' Exemption 1981- No Enforcement, 1981, Box: 123, Folder: 14. J. Davitt McAteer Papers regarding Mining Safety, A&M 4219. West Virginia and Regional History Center.
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MSHA Memo for Sand and Gravel Operators' Exemption 1981- No Enforcement, 1981, Box: 123, 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/212872 Accessed December 05, 2025.