41 | Add to Reading ListSource URL: alberta.caLanguage: English - Date: 2011-12-21 13:58:13
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42 | Add to Reading ListSource URL: www.energy.alberta.caLanguage: English - Date: 2013-10-31 18:05:39
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43 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-08-29 11:42:34
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44 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-11-27 08:58:02
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45 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-10-18 09:25:51
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46 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-09-29 09:36:27
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47 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-07-29 09:16:40
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48 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-11-21 08:51:24
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49 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-08-03 08:53:56
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50 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-09-27 08:12:54
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