391 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2013-01-08 11:11:30
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392 | Add to Reading ListSource URL: www.ags.gov.ab.caLanguage: English - Date: 2012-04-18 16:46:16
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393 | Add to Reading ListSource URL: certmapper.cr.usgs.govLanguage: English - Date: 2005-05-20 10:10:28
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394 | Add to Reading ListSource URL: www.undeerc.orgLanguage: English - Date: 2005-12-30 15:47:09
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395 | Add to Reading ListSource URL: www.undeerc.orgLanguage: English - Date: 2005-12-30 15:47:09
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396 | Add to Reading ListSource URL: keystonepipeline-xl.state.govLanguage: English - Date: 2014-01-31 03:31:50
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397 | Add to Reading ListSource URL: www.undeerc.orgLanguage: English - Date: 2005-12-30 15:47:09
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398 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2013-11-13 10:25:57
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399 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-06-13 19:08:08
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400 | Add to Reading ListSource URL: www.sdgs.usd.eduLanguage: English - Date: 2010-09-09 11:46:43
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