Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978
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U.S. Department of Labor Mine Safety and Health Administration Protecting Miners' Safety and Health Since 1978 |
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www.msha.gov |  |
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 Click Picture for Enlargement Week of March 1 and 8, 1999 A drill-rig was set-up to drill a borehole into the #3 entry of the longwall at the #5 Crosscut. This borehole will be designated as Borehole #4 and will be used to remotely monitor the mine atmosphere during mine recovery operations. 
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www.msha.gov | www.dol.gov |
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Mine Safety and Health Administration (MSHA) 1100 Wilson Boulevard, 21st Floor Arlington, VA 22209-3939 |
Phone:
(202) 693-9400 Fax-on-demand: (202) 693-9401 Technical (web) questions: Webmaster On-line Filing Help: MSHAhelpdesk@dol.gov or call (877) 778-6055 Contact Us | |
