Ron van der Ende: Breaker 2009
bas-relief in salvaged wood, 165 x 152 x 18cm (private collection Rotterdam, NL)
The image on the back of the bas-relief: Breaker boys sort coal at an anthracite coal breaker near South Pittston, Pennsylvania, in 1911. Photograph by Lewis Hine for the National Child Labor Committee.
Wikipedia: Breaker Boys
Wikipedia: Coal Breaker
J3net@Flickr: Anthracite Coal Mining Postcards