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Date: 2014-02-12 22:22:09Mining Coal in Australia Technology Energy Appin New South Wales Gresford Colliery Underground mining Coal mining Longwall mining | [removed]GOR[removed]IN qtif A%Add to Reading ListSource URL: www.mineaccidents.com.auDownload Document from Source WebsiteFile Size: 915,70 KBShare Document on Facebook |
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