6.7 0Add to favorites 0Add to Watchlist 0Add as SeenMine 9(Apr. 12, 2019) Apr. 12, 2019 6.7 Mine 9 IMDb: 6.7 2019 83 min 352 views Two miles into the earth, nine Appalachian miners struggle to survive after a methane explosion leaves them with one hour of oxygen. DramaThriller