181 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2013-03-28 15:08:30
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182 | Add to Reading ListSource URL: www.state.in.usLanguage: English - Date: 2013-07-08 16:02:34
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183 | Add to Reading ListSource URL: www.ioia.netLanguage: English - Date: 2014-03-05 14:16:18
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184 | Add to Reading ListSource URL: www.agcensus.usda.govLanguage: English - Date: 2012-02-15 09:58:25
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185 | Add to Reading ListSource URL: www.econ.iastate.eduLanguage: English - Date: 2013-04-03 13:15:00
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186 | Add to Reading ListSource URL: www.econ.iastate.eduLanguage: English - Date: 2014-07-03 11:10:03
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187 | Add to Reading ListSource URL: sustainablecorn.orgLanguage: English - Date: 2013-12-10 09:31:31
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188 | Add to Reading ListSource URL: www.econ.iastate.eduLanguage: English - Date: 2013-07-04 16:09:38
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189 | Add to Reading ListSource URL: www.econ.iastate.eduLanguage: English - Date: 2014-03-02 14:04:29
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190 | Add to Reading ListSource URL: www.econ.iastate.eduLanguage: English - Date: 2013-09-02 12:08:13
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