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2701. Shuttle Car Approaches Mine Railway Track.

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.

2702. Coal Mining, Modern Methods of Production

Rear end of loaded coal car in an underground mine.

2703. Shuttle Car Being Loaded by Mechanical Loader

'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.'

2704. Steel Mine Car at One of the White Oak Shaft Mines

View of the mechanics of a stove coal washer.

2705. Stove Coal Washer, Price Hill Colliery Company

'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.'

2706. Self Dumping Cages

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

2707. Ireland Mine Shamrock Portal Automatic Coal-Fired Heating System

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

2708. Boilers in a Coal Mine

Miner watches as coal loads into a shuttle car.

2709. Shuttle Car Being Loaded

Technician views equipment in a mine lab.

2710. Coal Mine Lab

Coal cutting machine digs into the coal seam.

2711. Coal Cutting Machine

Continuous mining machine at work.

2712. Continuous Miner in a Tunnel Approximately 4 Feet High