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1
Re-issue of P09-26 potential hazard to roof bolting machine operators due to inadvertent control actuation.
“…United States. Mine Safety and Health Administration…”
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Government Document Online Book -
2
Injury experience in stone mining
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Government Document Online Serial -
3
Injury experience in metallic mineral mining
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Government Document Online Serial -
4
Injury experience in sand and gravel mining
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Government Document Online Serial