USDOL MSHA Report of Investigation Underground Coal Mine Inundation (Blackdamp) Moss No. 3 Portal A, Clinchfield Coal Company

USDOL MSHA Report of Investigation Underground Coal Mine Inundation (Blackdamp) Moss No. 3 Portal A, Clinchfield Coal Company, Box: 209, Item: 27. 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/229197 Accessed December 05, 2025.