Topical Subjects
- Coal-carrying vessels.6
- Coke-ovens.6
- Boring.5
- Coal Mines and Mining.5
- Coal preparation plants--West Virginia.5
- Elevators.5
- Ethylene industry--Michigan--Midland.5
- Mine railroads--Cars.5
- Streets--West Virginia--Fairmont.5
- WVU--Buildings--Martin Hall.5
- Advertising.4
- Coal mines and mining--West Virginia--Fairmont.4
- Coal preparation plants--Equipment and supplies.4
- Coal preparation plants--West Virginia--Owings.4
- Coal--Geology.4
- Coal--Storage.4
- Coal-handling machinery.4
- Docks.4
- Electricity in mining.4
- First aid in illness and injury.4