191 | Add to Reading ListSource URL: phys.orgLanguage: English - Date: 2014-12-02 20:52:50
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192 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2014-04-04 16:21:33
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193 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2013-03-14 09:31:26
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194 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2014-03-04 14:04:22
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195 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2014-01-14 08:04:30
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196 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2013-04-02 09:45:50
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197 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2013-01-07 15:41:17
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198 | Add to Reading ListSource URL: ewh.ieee.orgLanguage: English - Date: 2010-09-11 13:20:17
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199 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-06-15 19:12:34
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200 | Add to Reading ListSource URL: www.rcgs.orgLanguage: English - Date: 2012-05-18 15:42:43
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