| … |
Jones and Laughlin Steel Company |
| … |
Jones and Laughlin Steel Company |
| … |
Jones and Laughlin Steel Company |
| … |
Jones and Laughlin Steel Company |
| … |
Jones and Laughlin Steel Company |
| … |
Jones and Laughlin Steel Company |
| … |
Jones and Laughlin Steel Company |
| … |
Jones and Laughlin Steel Company |
| … |
Monongahela Incline |
| … |
Duquesne Incline |