The Philadelphia and Reading Coal and Iron Company, St. Nicholas Central Breaker, St. Nicholas, Pennsylvania, Mechanical Equipment, Blueprints, July-September 1931

The Philadelphia and Reading Coal and Iron Company, St. Nicholas Central Breaker, St. Nicholas, Pennsylvania, Mechanical Equipment, Blueprints, July-September 1931, Box: 133, Item: 345. Institute for the History of Technology and Industrial Archaeology Records, A&M 3936. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/156069 Accessed November 26, 2024.