Delaware, Lackawanna, and Western Railroad Company Coal Mining Department correspondence regarding safety and production policies and other topics [1 of 2], 1906–1921

Delaware, Lackawanna, and Western Railroad Company Coal Mining Department correspondence regarding safety and production policies and other topics [1 of 2], 1906–1921, Box: 50, Folder: 19a. 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/112063 Accessed November 23, 2024.