1 | Add to Reading ListSource URL: econgeol.mines.eduLanguage: English - Date: 2014-11-01 11:51:47
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2 | Add to Reading ListSource URL: www.segweb.orgLanguage: English - Date: 2015-03-09 11:35:47
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3 | Add to Reading ListSource URL: rock.geosociety.orgLanguage: English - Date: 2008-06-18 12:09:24
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4 | Add to Reading ListSource URL: www.aipg.orgLanguage: English - Date: 2012-04-20 11:38:11
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5 | Add to Reading ListSource URL: www.arizonahistoricalsociety.orgLanguage: English - Date: 2013-03-19 12:08:07
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6 | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-11-08 12:56:17
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7 | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-08-29 16:19:31
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