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Date: 2014-07-24 09:52:47Safety engineering Federal Coal Mine Health and Safety Act Mine Safety and Health Act Coal mining Mining accident Upper Big Branch Mine disaster Sago Mine disaster Mining Occupational safety and health Mine Safety and Health Administration | Microsoft Word - Statement by Senator Tom Harkin.docAdd to Reading ListSource URL: www.msha.govDownload Document from Source WebsiteFile Size: 14,24 KBShare Document on Facebook |