11 | Add to Reading ListSource URL: www.evld.orgLanguage: English - Date: 2013-10-03 12:58:26
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12 | Add to Reading ListSource URL: www.evld.orgLanguage: English - Date: 2009-11-24 16:48:24
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13 | Add to Reading ListSource URL: www.evld.orgLanguage: English - Date: 2012-11-16 14:21:31
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14 | Add to Reading ListSource URL: www.evld.orgLanguage: English - Date: 2009-11-23 16:38:13
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15 | Add to Reading ListSource URL: www.evld.orgLanguage: English - Date: 2009-11-24 16:48:18
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16 | Add to Reading ListSource URL: water.usgs.govLanguage: English - Date: 2005-06-24 10:39:20
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17 | Add to Reading ListSource URL: www.swiftcom.comLanguage: English - Date: 2010-10-25 13:09:54
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18 | Add to Reading ListSource URL: mining.state.co.usLanguage: English - Date: 2014-05-27 11:24:42
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19 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-10-31 10:18:23
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