Howard Berkes http://michiganradio.org en Questions remain a year after West Virginia mine explosion http://michiganradio.org/post/questions-remain-year-after-west-virginia-mine-explosion One year ago tonight, mine rescuers discovered the remains of the last four missing coal miners deep inside Massey Energy's Upper Big Branch mine in West Virginia.<p>There had been hope that the four had made it to refuge chambers and were still alive. Optimistic rescuers carried four sets of breathing apparatus with them, hoping they would be used to bring the miners safely to the surface. The bodies of 25 other miners were found four days earlier.<p>A year later, the nation's worst coal mine accident in 40 years is still not fully explained. Sat, 09 Apr 2011 16:07:10 +0000 Howard Berkes 2004 at http://michiganradio.org