191 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-09-15 23:00:50
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192 | Add to Reading ListSource URL: www.dcf.state.fl.usLanguage: English - Date: 2001-08-20 09:11:02
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193 | Add to Reading ListSource URL: nass.usda.govLanguage: English - Date: 2012-02-23 10:28:32
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194 | Add to Reading ListSource URL: www.williamwebber.comLanguage: English - Date: 2014-06-15 19:34:14
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195 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2014-07-10 15:05:46
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196 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2014-07-10 15:05:46
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197 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-09-30 17:26:45
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198 | Add to Reading ListSource URL: water.epa.govLanguage: English - Date: 2011-09-10 02:55:23
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199 | Add to Reading ListSource URL: water.epa.govLanguage: English - Date: 2011-09-09 23:20:04
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200 | Add to Reading ListSource URL: www.amstat.orgLanguage: English - Date: 2002-09-14 07:19:26
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