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Date: 2011-06-13 11:42:33Mining Occupational safety and health Barrick Gold Newmont Mining Corporation Intrepid Potash Kinross Gold John T. Ryan Trophy Open-pit mining S&P/TSX 60 Index S&P/TSX Composite Index Economy of Canada | DIRECTORY OF ACTIVE METAL AND INDUSTRIAL UNDERGROUND MINESAdd to Reading ListSource URL: minerals.usgs.govDownload Document from Source WebsiteFile Size: 52,21 KBShare Document on Facebook |