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Date: 2014-06-19 16:20:28Des Moines Iowa Natural Resources Conservation Service United States Environmental Protection Agency Clean Water Act United States Nutrient management Iowa Environment Agricultural soil science Water pollution Des Moines metropolitan area | Microsoft Word - Vilsack Ltr_6_18_2014.docxAdd to Reading ListSource URL: agribiz.orgDownload Document from Source WebsiteFile Size: 58,69 KBShare Document on Facebook |