561 | Add to Reading ListSource URL: math.lanl.govLanguage: English - Date: 2006-07-11 10:08:50
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562 | Add to Reading ListSource URL: tsrlinc.comLanguage: English - Date: 2011-05-04 12:47:13
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563 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2011-12-28 17:58:36
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564 | Add to Reading ListSource URL: dog.dnr.alaska.govLanguage: English - Date: 2011-09-26 12:35:12
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565 | Add to Reading ListSource URL: www.deq.utah.govLanguage: English - Date: 2014-07-28 17:38:44
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566 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-07-24 13:48:03
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567 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2004-11-22 19:31:13
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568 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2003-10-08 07:36:45
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569 | Add to Reading ListSource URL: water.usgs.govLanguage: English - Date: 2009-10-14 19:42:56
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570 | Add to Reading ListSource URL: www.cdc.govLanguage: English - Date: 2012-08-30 15:48:35
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