EE WAS A PASSENGER IN A SHIFT CHANGE VAN THAT WAS BEING DRIVEN IN FROM AREA D AT THE END OF NIGHT SHIFT. THE VAN HIT A SLICK SPOT IN THE ROAD, SLID & AS THE DRIVER TRIED TO CORRECT IT, IT SLID TO THE LEFT & WHEN THE VAN HIT GRAVEL IT TURNED OVER. THERE WERE (5) PEOPLE IN THE VAN, ALL WERE TRANSPORTED TO LOCAL HOSPITALS. THERE ARE (4) REPORTABLE INJURIES- 3 WORKED AT MINE, 1 CONT.EE