MINERS HAD LOADED AND SHOT BOTTOM HALF OF RD TOP HALF DID NOT FALL, MINERS STATED. THE HAD TRIED TO BAR DOWN TO P PART BUT WOULD NOT FALL. THEY PRODEEDED TO LOAD TOP 6 HOLES, UNDER LINE DRILLE D HOLES. IN LOADING LAST HOLE MINER SAID WATCH OUT, THEY RETREATED BUT ONE MINER WAS STRUCK BY FOG, CAUSING INJURY.