Pittsburgh Coal Co. -- Order 5K4 (includes blueprints and specifications), 1928

Pittsburgh Coal Co. -- Order 5K4 (includes blueprints and specifications), 1928, Box: 2, Folder: 11. Minter Homes Corporation Records, A&M 3654. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/154934 Accessed December 05, 2025.