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Occurrence of pesticides in groundwater underlying areas of high-density row-crop production in Alabama, 2009-2013 [研究报告]
10.3133/sir20155014U.S. Geological Survey. 2015-01-01
Welch, Heather L. hllott@usgs.gov
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Concentrations and transport of suspended sediment, nutrients, and pesticides in the lower Mississippi-Atchafalaya River subbasin during the 2011 Mississippi River flood, April through July [研究报告]
10.3133/sir20145100U.S. Geological Survey. 2014-01-01
Welch, Heather L. hllott@usgs.gov;  Coupe, Richard H. rhcoupe@usgs.gov;  Aulenbach, Brent T. btaulenb@usgs.gov
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