Black Mountain Mining Inc · Tipo de accidente, sin lesiones
ROOF FALL OCCUR9ED IN #2 ENTRY FACE AREA FALL WAS APPROX 18X40 AREA WAS SUPPORTED WITH 5 FT RESIN BOLTS 5X7X18 X BARS
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ROOF FALL OCCUR9ED IN #2 ENTRY FACE AREA FALL WAS APPROX 18X40 AREA WAS SUPPORTED WITH 5 FT RESIN BOLTS 5X7X18 X BARS