TY - RPRT TI - The fate and transport of nitrate in shallow groundwater in northwestern Mississippi, USA AU - Heather L. Welch AU - Christopher T. Green AU - Richard H. Coupe PY - 2011 DO - 10.1007/s10040-011-0748-8 UR - https://pubs.usgs.gov/publication/70005947 ID - 70005947 ER -