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'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 see that no impurities become mixed with the coal.'

3061. Miner Prepares to Load Coal After Shooting

Two miners work with a cutting machine at Pursglove No. 15.

3062. Miners Operating a Cutting Machine at Pursglove No. 15

Miner drilling holes for explosives at Jamison No. 9.

3063. Drilling Prior to 'Setting' Explosives at Jamison No. 9

Electric mine locomotive at Mathies Coal mine, Finleyville, PA.

3064. G-E 50 Ton Electric Mine Locomotive in Operation at Mathies Coal Mine, Finleyville, Pa.

Two miners working to support the roof in the Itmann Coal Co. mine. <br /><br />

3065. Miners at Work in an Itmann Coal Company Mine

A miner is operating a cutting machine at the Price Hill Colliery Co. mine

3066. Miner Operating a Cutting Machine, Price Hill Colliery Company

Chalk markings designate slate intrusion in No. 63.

3067. Slate Intrusion at No. 63

'A very small cutting machine or a v.m. drilling machine. Probably a cutting machine'

3068. Miners Operating a Cutting Machine

A miner operating an electric shuttle car filled with coal.

3069. Electric Shuttle Car

Miners operating mining equipment at Thomas, W. Va. mine.

3070. Mining Equipment at Thomas, W. Va.

Two miners watching dogs haul loads of coal.

3071. Dog Mines, Zanesville, Ohio

Two miners watching dogs haul loads of coal.

3072. Dog Mines, Zanesville, Ohio