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Miner with drilling machine at Jamison No. 9.

97. Drilling Machine at Jamison No. 9

'Coarse Lumpy Coal: This very coarse lumpy mine run coal is the result of proper shooting. The miner is paid on a tonnage basis for loading this coal into mine cars. He is required to watch his coal carefully as he loads it and she that no impurities become mixed with the coal.'

98. Miner Loading Coarse Lumpy Coal

99. Miner Testing for Gas

Miner tests for gas in mine.

100. Testing for Gas

Miner unloading coal into car while it is being sprayed to retard dust.

101. Wetting Coal to Retard Coal Dust

102. Miner Operating a Joy Continuous Mining Machine

Two miners next to an electric locomotive.

103. Miner on Electric Locomotive

'An Electric Locomotive: Good dependable motive power is just as necessary in a coal mine as on a railroad. This picture shows on of White Oak's ten ton electric locomotives used to haul loads and distrubute empties in our mines. A crew consists of a motorman and brakeman, or trip rider, who pull loads from the working places to convenient sidings where they are picked up by main line locomotives, who haul to the tipple or shaft bottom. A large producing mine uses fifteen and twenty locomotives and five hundred mine cars in maintaining production.'

104. Miner Operating an Electric Locomotive

105. Miner Operating a Coal Cutting Machine

106. Transporting Lumber for Shoring in a Coal Mine