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A miner is driving a battery powered shuttle car that is self unloading to the loading station.

2941. Battery Powered 'Self Unloader' Shuttle Car Hauling Coal to Loading Station

Miner putting bolts into the roof of a mine for support.

2942. Miner Roof Bolting

Miner putting bolts into the roof of a mine for support.

2943. Miner Roof Bolting

Miner putting bolts into the roof of a mine for support.

2944. Miner Roof Bolting

Men lean against coal cars at the Tram Road of Winifrede Coal Co., Winifrede, W. Va.

2945. Tram Road, Winifrede Coal Company, Winifrede, W. Va.

Miner stands on pile of coal ready to be loaded and sent out of mine.

2946. Coal Shot Down and Ready for Loading

Miner tests for gas after shooting of coal in Bishop's Mine, Poca Fuel Co.?

2947. Testing for Gas After Shooting at Bishop's Mine

Miner checking for gas on pile of coal after it was shot down.

2948. Coal Shot Down and Ready for Loading

Miner placing boards in Cavalier Mine No. 206.

2949. Miner Placing Boards on the Floor of Cavalier Mine No. 206

'West Virginia has produced 20 percent of all the coal mined in the United States since 1800, a survey shows. The survey, by the Bituminous Coal Institute, also showed that during the 20 years from 1930 through 1949, West Virginia led all states in soft coal production. Picture courtesy of the W. Va. Dept. of Labor.'

2950. Miner Checking for Gas

Two miners operate a Sullivan cutting machine.

2951. Cutting Machine

Miner tests for gas in mine.

2952. Testing for Gas