Delaware, Lackawanna, and Western Railroad Company Coal Mining Department correspondence regarding 93 fatalities to mules at coal mines, 1909

Delaware, Lackawanna, and Western Railroad Company Coal Mining Department correspondence regarding 93 fatalities to mules at coal mines, 1909, Box: 50, Folder: 25. 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/112070 Accessed November 23, 2024.