Title Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a coastal plain agricultural watershed, and implications for nutrient loading in the Neuse River Basin, North Carolina, 1999-2002 [electronic resource] / by T.B. Spruill ... [et al.] ; prepared in cooperation with the National Exposure Research Laboratory, U.S. Environmental Protection Agency, Athens, Georgia, and the North Carolina Department of Environment and Natural Resources, Division of Water Quality, Groundwater Section.