TY - RPRT TI - Herbicide concentrations in the Mississippi River basin: The importance of chloroacetanilide herbicide degradates AU - R.A. Rebich AU - R.H. Coupe AU - E.M. Thurman PY - 2004 DO - 10.1016/j.scitotenv.2003.09.006 UR - https://pubs.usgs.gov/publication/70027223 ID - 70027223 ER -