Following the release of the independent investigation into the April 5, 2010 mine disaster that killed 29 men in Montcoal, W.Va., the Gazette ran a Sunday edition special report, detailing the findings of the investigation. The story is written in an arc that spans several days, from the warning signs retold by the miners who survived, to the final seconds leading up to the explosion. The map details the initial spark, where each man was killed, and the four components that led to the worst U.S. mining disaster in over four decades.