61 | Add to Reading ListSource URL: www.beg.utexas.eduLanguage: English - Date: 2012-05-30 12:33:12
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62 | Add to Reading ListSource URL: www.searchanddiscovery.comLanguage: English - Date: 2014-07-01 10:53:08
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63 | Add to Reading ListSource URL: www.aaes.orgLanguage: English - Date: 2014-05-02 10:56:10
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64 | Add to Reading ListSource URL: www.shalegas.energy.govLanguage: English - Date: 2013-10-24 13:48:01
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65 | Add to Reading ListSource URL: www.fordhamelr.orgLanguage: English - Date: 2014-03-05 18:46:15
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66 | Add to Reading ListSource URL: www.friendsofthejordan.orgLanguage: English - Date: 2013-08-12 19:04:14
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67 | Add to Reading ListSource URL: www.bfenvironmental.comLanguage: English - Date: 2010-09-06 13:31:38
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68 | Add to Reading ListSource URL: www.greenchoices.cornell.eduLanguage: English - Date: 2012-08-07 12:55:55
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69 | Add to Reading ListSource URL: www.marcellus.psu.eduLanguage: English - Date: 2011-08-29 12:53:32
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70 | Add to Reading ListSource URL: www.senate.state.tx.usLanguage: English - Date: 2012-02-09 12:24:55
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