They were called Drivers, Greasers, Oilers, Pushers, Breakers, and Trappers. They salvaged coal from the slag heap, for10 cents for each hundred-pound sack or two dollars a ton. Boys as young as 8, working ten-hour days.. The Photography of Ben Shahn and Louis Wickes Hine Library of Congress shorpy.com http://shorpy.com/ Music: Pete Seeger and The Civil War Soundtrack, Ken Burns producer conceived and produced by: Dale Caruso