EE STANDING AT CORNER OF X CUT WATCHING SCOOP TRAVEL INTO THE X CUT WHEN THE TIRE RAN ON TOP OF THE LOOSE RAIL LAYING ON MINE FLOOR THE RAIL FLIPPED UP STRIKING EE CAUSE WAS AWARENESS AND REMO VING TRACK RAIL. COMPLIANCE WITH RULES/REG/ NOT FACTOR, PROTECTIVE EQUIP NOT A FACTOR, MINER KNOWLEDGE COULD BE A FACTOR, MINING/EQUIP SYSTEMS NOT A FACTOR.