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Permission is granted to reproduce this photograph only on condition that each reproduction shall bear the following credit line:  Photograph by Norfolk and Western Railway.

49. Fully Loaded Coal Train Two Miles Underground

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; Please give credit to Bureau of Mines, United States, Department of Interior.

50. Longwall Face Showing Armored Conveyor, Planer, and Roof Supports

51. Mining Equipment at Fairmont Machinery Company

52. Interior of a Coal Mine at Thomas, 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.

53. Wood Crib Constructed with Crib Releases

Mechanic working on what appears to be a turbine.

54. Mechanic Working on Mining Machinery

A continuous miner in action.

55. Lee Norse CM28E Continuous Miner

Continuous miner in action.

56. Lee Norse CM28E Continuous Miner

Consol. Coal Co. display at Hornes Dept. Store.

57. Consol Display at Horne's Department Store, Pittsburgh, Pa.

58. Mechanic Working in the Mathies Underground Machine Shop

59. Interior of Mathies Underground Machine Shop

60. Oxen Pulling Coal Cart in an Underground Mine