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 |  |
| Find It! in DOL | Compliance Assistance | |
 Click Picture for Enlargement Week of April 4, 1999 through week of May 2, 1999 Several attempts were necessary to successfully sink Borehole #5, located in the No. 14 crosscut in the longwall's 18N tailgate. On the first attempt the borehole intersected solid coal rather than a open mine entry. A drill steel became stuck in the second attempted Borehole #5, approximately 11 feet from the coal seam, rendering the hole useless. The third attempt intersected a mine opening, but after a downhole probe was conducted, the water level was found to be 21 feet above the coal seam |
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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 | |
