1 | Add to Reading ListSource URL: www.co.douglas.or.us- Date: 2006-01-20 16:43:42
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2 | Add to Reading ListSource URL: www.co.douglas.or.usLanguage: English - Date: 2010-07-09 15:48:41
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3 | Add to Reading ListSource URL: www.co.douglas.or.usLanguage: English - Date: 2006-01-20 16:43:42
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4 | Add to Reading ListSource URL: or.water.usgs.govLanguage: English - Date: 2001-08-02 20:05:53
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5 | Add to Reading ListSource URL: water.epa.govLanguage: English - Date: 2011-09-09 22:16:38
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6 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-04-13 11:46:50
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