1 | Add to Reading ListSource URL: www.riotinto.comLanguage: English - Date: 2011-07-05 10:25:14
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2 | Add to Reading ListSource URL: www.cttei.qc.caLanguage: French - Date: 2009-07-01 11:50:49
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3 | Add to Reading ListSource URL: www.grandslacs-voiemaritime.comLanguage: English - Date: 2012-05-24 15:55:19
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4 | Add to Reading ListSource URL: greatlakes-seaway.comLanguage: English - Date: 2012-05-24 15:55:19
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5 | Add to Reading ListSource URL: www.greatlakes-seaway.comLanguage: English - Date: 2012-05-24 15:55:19
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6 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-11-21 07:54:55
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