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Approvals status addressed at comms, tracking seminar

infomine - mining equipment and supplier news | March 19, 2010 | 4:57 pm

International Longwall News reports that THE US Mine Safety and Health Administration provided a clearer vision of mine communications and tracking approval progress at a one-day seminar on Wednesday, telling a large crowd it has made strides but that much research, approval and regulatory work remains. Donna Caudill reports from the conference….more at International Longwall News