7. U.S. coal mining deaths: 1990-2007 causes 7. U.S. coal mining deaths: 1990-2007 not quite the same story mining coal not quite the same story mining coal mining coal not quite the same story 7. U.S. coal mining deaths: 1990-2007 miles de personas Free Frank Warner 7. U.S. coal mining deaths: 1990-2007 7. U.S. coal mining deaths: 1990-2007 mining coal