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Drilling and Rotary Jet Piercing
Law
CFR 30
Mineral Resources
Mine Safety and Health Administration, Department of Labor
Metal and Nonmetal Mine Safety and Health
Safety and Health Standards - Underground Metal and Nonmetal Mines
Drilling and Rotary Jet Piercing
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Drilling - Surface Only
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Drilling - Underground Only
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Drilling - Surface and Underground
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Rotary Jet Piercing - Surface Only