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2629. Electric Cable Reel and Joy Shuttle Car with Road Drag at Jamison No. 9 Mine

2630. Maintenance Equipment Cart at Jamison Mine No. 9

2631. Underground Electric Power Center Control Board at Jamison Coal Mine No. 9.

2632. Track Inside Jamison No. 9 Coal Mine

2633. Coal Shuttle Car in Jamison Coal Mine No. 9

Mechanic's pit provides location to work on mine haulage equipment;

2634. Underground Mechanic's Pit at Jamison Coal Mine No. 9.

2635. 2200 Volt Junction Box at Jamison Coal Mine No. 9

2636. Interior of Jamison Coal Mine No. 9

'Modified Longwall Mining with a German Coal Planer. Progress Report 2: Completion of Mining in three Adjacent Panels in the Pocahontas No. 4 Coal Bed, Helen, W. Va.'If this photograph is used for publication, please give credit to the Bureau of Mines, United States, Department of Interior.

2637. Wood Crib with One Crib Release Tripped at Pocahontas No. 4 Coal Bed, Helen, W. Va.

'Modified Longwall Mining with a German Coal Planer. Progress Report 2: Completion of Mining in three Adjacent Panels in the Pocahontas No. 4 Coal Bed, Helen, W. Va.' If this photograph is used for publication, please give credit to the Bureau of Mines, United States, Department of Interior.

2638. Wood Crib with Both Releases Tripped and Crib Collapsed at Pocahontas No. 4 Coal Bed, Helen, W. Va.

'All white oak mines work the same seam of coal, viz: Sewall. THe face of one of the working places or rooms is shown in this picture. The coal averages about 48 to 50 inches in thickness. This working place is now ready to be cut by the undercutting machine, so it can be shot down be the miner and loaded into cars for transportation to the tipple. The white line on the roof in this picture is the center line of the room set by the engineers to guide the men operating the mining machine in driving the room straight.'

2639. Sewall Coal Seam Worked by the New River Coal Company

Large chunks of coal piled below the seam.

2640. Shot Down Coal at Jamison Coal Mine No. 9