Little Bur Mining Inc · Tipo de accidente, sin lesiones
ROOF FALL ABOVE ANCHORAGE OF BOLTS (36") - THIS PARTICULAR AREA HAD SEVERAL 42" & 48" BOLTS - SURFACE CRACKES PRESENT AND STRAPS WERE USED IN THE NORMAL BOLTING PATTERN.
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ROOF FALL ABOVE ANCHORAGE OF BOLTS (36") - THIS PARTICULAR AREA HAD SEVERAL 42" & 48" BOLTS - SURFACE CRACKES PRESENT AND STRAPS WERE USED IN THE NORMAL BOLTING PATTERN.