5 de noviembre de 1986
PA · Carbón
Empernador de techo, Empernador de roca, Empernador, Operador de soporte de techo móvil (MRS)
Muerte · DESPRENDIMIENTO DE TECHO O BÓVEDA
Keystone Coal Mining Corp · Golpeado por objeto que cae
VICTIM WAS FATA5LY INJURED BY A FALL OF ROOF WHICH PARTIALLY COVERED HIM. A CUT OF COAL HAD BEN MINED AND THE VICTIM (ROOF BOLTER HELPER) WAS POSITIONED BETWEEN A ROW OF BOLTS THAT HAD JUST BEEN INSTALLED 5ND A ROW OF TEMPORARY ROOF SUPPORTS EVALUATING THE ROOF CONDITIONS