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Topical Subjects
- Coal-mining machinery--Ohio--Georgetown.1
- Conveying machinery.1
- Core drilling.1
- English language--Study and teaching.1
- Grazing.1
- Industrial films.1
- Law enforcement.1
- Machine shops.1
- Mine railroads--Cars.1
- Murderers.1
- Roof trusses.1
- Showers (Plumbing fixtures)1
- Smelting--West Virginia--Wheeling.1
- Steam locomotives--Pennsylvania--Somerset.1
- Steam locomotives--Pennsylvania.1
- Steam locomotives.1
- Tipples--West Virginia--Fairmont.1
- Tipples--West Virginia--Middleton.1
- Towboats.1