261 | Add to Reading ListSource URL: www.umesc.usgs.govLanguage: English - Date: 2012-01-10 11:47:17
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262 | Add to Reading ListSource URL: www.umesc.usgs.govLanguage: English - Date: 2011-07-12 12:51:17
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263 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2005-07-27 08:21:29
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264 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-04-11 08:38:14
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265 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-02-14 11:26:18
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266 | Add to Reading ListSource URL: www.umrba.orgLanguage: English - Date: 2014-02-13 14:30:28
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267 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2010-05-25 09:58:30
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268 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-04-05 15:18:48
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269 | Add to Reading ListSource URL: www.umrba.orgLanguage: English - Date: 2014-02-21 17:54:55
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270 | Add to Reading ListSource URL: water.epa.govLanguage: English - Date: 2011-09-10 01:19:12
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