The U.S. Geological Survey, in cooperation with the Alabama Department of Agriculture and Industries, sampled a network of 15 wells for up to 167 pesticides and pesticide degradates from 2009 through 2013 in three areas of high-density row-crop agricul
Welch, Heather L. hllott@usgs.gov. Occurrence of pesticides in groundwater underlying areas of high-density row-crop production in Alabama, 2009-2013. 2015-01-01.