Delaware, Lackawanna, and Western Railroad Company Coal Mining Department correspondence regarding safety policies, 1909–1910

Delaware, Lackawanna, and Western Railroad Company Coal Mining Department correspondence regarding safety policies, 1909–1910, Box: 50, Folder: 23. 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/112068 Accessed November 23, 2024.