Sentence:  Men worked both above ground as well as below ground and the jobs varied considerably: underground were a timberer who fashioned and installed timber supports to support the walls and ceiling in the mine; a driller, who drilled holes in the face to place dynamite or other explosives; a hewer, whose hob it was to hew the rock; a collier, or a hewer, who hewed the coal with a pick; a barrowman who transported the broken coal from the face to the wheelbarrows; a loader (also known as a bandsman) who loaded the mining carts with coal at the face; a putter (also known as a <WSD>drags-man</WSD>) who worked the carts around the mine; and a harrier who transported the coal carts to the surface. 
Meaning of the word marked with <WSD> tags:  One who moves the carts or sledges at a mine; a putter.