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1. Mining Equipment at Fairmont Machinery Company

2. Mat Conveyor Built in the Shop at Thomas, W. Va.

3. Jeffrey Loading Machine Emptying Coal into a New 11-Ton Steel Mine Car at Mine No. 32

4. Interior of Mathies Underground Machine Shop

5. Mechanic Working in the Mathies Underground Machine Shop

The heating system is used for lamphouse, bathhouse, shop and warehouse.

6. Ireland Mine Shamrock Portal Automatic Coal-Fired Heating System

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

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

Mountaineer Coal Company, Division of Consolidation Coal Company.

8. Continuous Mining Machine (Middle) and Loading Machine (Bottom)

This mock-up shows the new blade design being tested by the Bureau of Mines. The base of the blade is thicker and there is a strip of titanium carbide at the point of previous severe erosion. If used, please credit Bureau of Mines, U.S. Department of the Interior.During LDC's final 1,100-hour run, this rotor blade (arrow) was undercut by ash flowing  along the rotor past the tips of the stator blades. If used, please credit Bureau of Mines, U.S. Department of the Interior.

9. New Rotor Blade Design

This mock-up shows the new blade design being tested by the Bureau of Mines. The base of the blade is thicker and there is a strip of titanium carbide at the point of previous severe erosion. If used, please credit Bureau of Mines, U.S. Department of the Interior.During LDC's final 1,100-hour run, this rotor blade (arrow) was undercut by ash flowing  along the rotor past the tips of the stator blades. If used, please credit Bureau of Mines, U.S. Department of the Interior.

10. New Rotor Blade Design

11. Summerlee Hoisting Room, C. B. Lee, Engineer, at the Controller

Mechanic working on what appears to be a turbine.

12. Mechanic Working on Mining Machinery

'A small portion of the hot ash-laden gas stream entering the turbine is continuously removed by this ash-sampling unit. Data from the operation of this unit is analyzed to determine the concentration, size, and composition of the ash in the hot gases entering the turbine.'

13. Sampling Hot Ash-Laden Gas

Coal crushed to 3/16-inch by 0 is pumped to a pulverizer that grinds it to 90-per cent hrough 200-mesh. The product is mixed with air and burned in the combustors. Hot high-speed gas from the ash separators drives the turbine, air compressor, and electric generators. Exhaust from the turbine passes through a regenerator that preheats compressed air to the combustors. If used, please credit Bureau of Mines, U.S. Department of the Interior.

14. Schematic Diagram of Coal-Fired Gas Turbine

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.

15. Wood Crib Constructed with Crib Releases

Man sits by controls to loaded mine car.

16. Man Sitting on Loaded Mine Car

17. Two Men with Track Mounted Cutting Machine

18. Two Men with Cutting Machine

19. Two Men with Cutting Machine

Three men working to fill a coal car.

20. Men Working with Loading Machine

21. Two Men working with Loading Machine

Two men travel through a narrow passageway in mine.

22. Two Men on Machine

Two men ride on engine hauling loaded coal cars out of mine/

23. Loaded Coal Cars

Two men ride on the engine hauling empty coal cars.

24. Men Riding on Coal Car Engine

Men with loaded coal cars being hauled out of mine

25. Loaded Coal Cars

26. Men Using Track Mounted Cutting Machine in Mine

27. Man Using Machine to Move Coal

Man poses on top of engine hauling loaded coal cars.

28. Loaded Coal Car

29. Man Driving Engine in Mine

Pittsburgh Consolidation Coal Company mine.<br />

30. Miner Operating a Joy Cutting Machine

A continuous miner in action.

31. Lee Norse CM28E Continuous Miner

Rear end of loaded coal car in an underground mine.

32. Shuttle Car Being Loaded by Mechanical Loader

Piece of machinery sitting outside on a white sheet.

33. Mining Equipment at Thomas, W. Va.

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.

34. Fully Loaded Coal Train Two Miles Underground

35. Room with Mining Machinery and Equipment, Thomas, W. Va.

View of a conveyor and engine at a coal mine operation in Thomas, W. Va.

36. Mining Machinery, Thomas, W. Va.

Close view of a conveyor and engine.

37. Mining Machinery, Thomas, W. Va.

Miner watches as coal loads into a shuttle car.

38. Shuttle Car Being Loaded

39. Mining Machinery, Thomas, W. Va.

40. Drill Press,Thomas, W. Va.

Machinery outside sitting on a white sheet.

41. Mining Equipment at Thomas, W. Va.

'Coal at all White Oak shafts mines is handled on self dumping cages, which handle the coal uniformly and with a minimum of breakage. Note how evenly the coal is flowing from the mine car. Much more rapid of course than the picture indicates, but it shows how well designed the equipment must be to handle the coal in such splendid manner.'

42. Self Dumping Cages

'All ready-Hoist! This is an end view of one of our new steel mine cars on a cage at one of the White Oak Shaft mines, and the signal has just been given to hoist it to the surface--450 feet up! These electric equipped hoists can hoist a car every twenty seconds and dump it! The cars are placed on the cages automatically by creeper chains and car stops. One man operates the signals and car stops and chains.'

43. Steel Mine Car at One of the White Oak Shaft Mines

44. Mining Apparatus at Thomas, W. Va.

45. Mining Equipment (hammer) at Thomas, W. Va.

Pile of coal at the end of a conveyor.

46. Coal Conveyor at Thomas, W. Va.

Technician views equipment in a mine lab.

47. Coal Mine Lab

Miner watches as coal loads into a shuttle car.

48. Shuttle Car Being Loaded

49. Hoisting Engine at Thomas, W. Va.

50. Mining Machinery, Thomas, W. Va.

1-Mining machine, electrically operated, 2. Electric locomotive and coal car train leaving mine, 3. Shaker screen for sorting coal according to size, 4. Coal powerhouse and tipple.

51. Coal Mining, Modern Methods of Production

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.

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

53. Mining Machinery, Thomas, W. Va.

54. Loading Coal in an Unidentified MIne

Two miners use equipment to secure the roof at the Pursglove No. 15 mine.

55. Miners Roof Bolting in Pursglove No. 15 Coal Mine

Miner operates a shuttle car that is loaded with coal.

56. Shuttle Car Being Loaded

Cutting equipment on a table.

57. Stack Saw at Thomas, W. Va.

58. Miners Operating a Cutting Machine at Consolidation Coal Company Mine No. 3

Man working in the Scarbro Mine Hoisting Room and Sub-Station, built in 1915-1916.

59. Scarbro Mine Hoisting Room and Sub-Station, Built 1915-1916

Close view of a conveyor and engine at a coal mine operation in Thomas, W. Va.

60. Mining Machinery, Thomas, W. Va.

61. Cutting Coal by Machine

'Loading [sic] from heading to face conveying on 9% grade to boom, coal wet; distance to face 174 feet; flight type boom; Note:  up until the time of taking pictures A-1-A-2-3&amp;4 no jacks were set to support conveyor or drive.'

62. Coal on Conveyor at Thomas, W. Va.

63. Mining Machinery, Thomas, W. Va.

64. Mining Machinery, Thomas, W. Va.

65. Coal on a Conveyor at Thomas, W. Va.

66. Coal Cutting Machine

67. Mining Machinery, Thomas, W. Va.

Coal cutting machine digs into the coal seam.

68. Coal Cutting Machine

Minre watches as coal pours into the shuttle car.

69. Shuttle Car Being Loaded

70. Interior of a Coal Mine at Thomas, W. Va.

71. Shuttle Car Approaches Mine Railway Track.

View of a row of boilers and equipment in an underground mine.

72. Boilers in a Coal Mine

View of a conveyor in a machine shop at a coal mine in Thomas, W. Va.

73. Mining Machinery, Thomas, W. Va.

Continuous miner in action.

74. Lee Norse CM28E Continuous Miner

Shuttle car in an underground mine, loaded with coal.

75. Loaded Shuttle Car

Close view of an electric motor at a coal mine site in Thomas, W. Va.

76. Electric Motor, Thomas, W. Va.

77. Oxen Pulling Coal Cart in an Underground Mine

View of the mechanics of a stove coal washer.

78. Stove Coal Washer, Price Hill Colliery Company

Close view of a conveyor and engine at a coal mine machine shop in Thomas, W. Va.

79. Mining Machinery, Thomas, W. Va.

'View from point at which scraper was working; looking through conveyor to heading a distance of 300 ft.'

80. Conveyor Filled with Coal 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.' Please give credit to the Bureau of Mines, United States, Department of Interior.

81. Interior of a Coal Mine with Roof Supports Along Longwall Face

Close view of a conveyor at a coal mine shop in Thomas, W. Va.

82. Mining Machinery, Thomas, W. Va.

83. Coal on Conveyor Belt at Jamison No. 9 Mine

This is written on the back of the photo: 'Junction point two (2) 30"x1200' Conveyors Truax Traer Company, Elkville now used in Cabin Creek mines in West Virginia'

84. Conveyor Belt at Truax Traer Coal Company, Elkville IL

85. Transporting Lumber for Shoring in a Coal Mine

86. Transporting Lumber for Shoring in a Coal Mine

87. Building a Conveyor System Inside a Coal Mine

88. Miner at Work in a Low Ceiling Coal Mine

89. Miner Operating a Cutting Machine

90. Shuttle Car Carrying Timber in the Mine

91. Miner on an Electric Cart

92. Conveyor Equipment at Truax Traer Coal Company, Elkville IL

93. Conveyor Equipment at Truax Traer Coal Company, Elkville IL

This is written on the back of the photo: '30" Main Slope belt discharging to the car loading boom Hart Coal Company, Morton's Gap, Kentucky'

94. Main Slope Belt Discharging Coal to Car at Hart Coal Company, Morton's Gap, KY

95. Miners Shoring up Ceiling of a Coal Mine

96. Coal Miner Works in Tight Quarters