Topical Subjects
- Power-plants.2
- Pumping machinery.2
- Rectifier instruments.2
- Safety lamps.2
- Strip mining--Ohio--Cadiz.2
- Tipples--Kentucky--Jenkins.2
- Tipples--West Virginia--Fairmont.2
- Tipples--West Virginia--Owings.2
- Abandoned mined lands reclamation--Ohio--Cadiz.1
- Bathhouses--West Virginia--Monongah.1
- Boilers.1
- Carbon-black industry--West Virginia--Cresap.1
- Cargo ships--Virginia--Hampton Roads.1
- Cement industries--Pennsylvania--Pittsburgh.1
- Cities--Clarksburg.1
- Coal Mines and Mining--Miners' Housing.1
- Coal miners--Dwellings--West Virginia--Shinnston.1
- Coal miners--Health and hygiene--West Virginia--Monongah.1
- Coal miners--Salaries.1
- Coal miners--West Virginia--Owings.1