TY - RPRT TI - Pesticides in U.S. streams and rivers: occurrence and trends during 1992-2011 AU - Wesley W. Stone AU - Robert J. Gilliom AU - Karen R. Ryberg PY - 2014 DO - 10.1021/es5025367 UR - https://pubs.usgs.gov/publication/70124919 ID - 70124919 ER -