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2413. Coal Lab Equipment at the Arkwright Laboratory

2414. On the Phone at the Arkwright Laboratory

2415. Pocahontas Coal Company Laboratory Technician at Work

2416. Technician at Work in the Pocahontas Coal Laboratory

2417. Coal Lab Technician at Work at the Arkwright Laboratory

Building visited during the Pittsburgh Consolidation Coal Co. Inspection trip.

2418. Arkwright Mine

Arkwright Mine buildings visited during a Consolidation Coal Co. Inspection trip.

2419. Arkwright Mine

Group of coal officials during a Consolidation Coal Co. Inspection trip.

2420. Pittsburgh Consolidation Coal Company Inspection Trip

Group of coal officials during a Consolidation Coal Co. Inspection trip.

2421. Pittsburgh Consolidation Coal Company Inspection Trip

Group of coal officials during a Consolidation Coal Co. Inspection trip.

2422. Pittsburgh Consolidation Coal Company Inspection Trip

A Mine Shuttle Car is in the foreground.

2423. Consolidation Coal Company Officials Visiting the Arkwright Mine

Close up of a coal official during a Consolidation Coal Co. Inspection trip.

2424. Pittsburgh Consolidation Coal Company Inspection Trip