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| Name | Structure | Site | Collection | Piece/ID | |
 | Duquesne Works | Blast Furnace | U.S. Steel | Vogel Slide Collection | 6-15 [1368] |
 | Edgar Thomson Steel Works | Overview | U.S. Steel | Vogel Slide Collection | 6-18 [1371] |
page 1 page 1 | Name | Structure | Site | Collection | Piece/ID | |
| Duquesne Works | Blast Furnace | U.S. Steel | Vogel Slide Collection | 6-15 [1368] |
| Edgar Thomson Steel Works | Overview | U.S. Steel | Vogel Slide Collection | 6-18 [1371] |