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Group of miners and coal officials outside of mine building during a Consolidation Coal Co. Inspection trip.

673. Coal Officials and Miners, Pittsburgh Consolidation Coal Company Inspection Trip

Coal officials walking between cars during a Consolidation Coal Co. Inspection trip.

674. Coal Officials Walking; Pittsburgh Consolidation Coal Company Inspection Trip

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

675. Pittsburgh Consolidation Coal Company Inspection Trip

John Lewis at dinner with coal officials during a Consolidation Coal Co. Inspection trip.

676. Lewis, John L. at Dinner, Pittsburgh Consolidation Coal Company Inspection Trip

Four men working in the Pocahontas Fuel Company laboratory.

677. Pocahontas Fuel Company Laboratory

678. Machinery at a Coal Mine in Thomas, W. Va.

679. Coal Analysis Lab Equipment

680. Fluid Meters at a Coal Mine in Thomas, W. Va.

681. Machinery at a Coal Mine in Thomas, W. Va.

682. Machinery at a Coal Mine in Thomas, W. Va.

683. Machinery at an Unidentified Coal Mine

684. Fan House Fire at Gaston Mine in Fairmont, W. Va.