TY - RPRT TI - Trends in pesticide concentrations in streams of the western United States, 1993-2005 AU - Henry M. Johnson AU - Joseph L. Domagalski AU - Dina Saleh PY - 2010 DO - 10.1111/j.1752-1688.2010.00507.x UR - https://pubs.usgs.gov/publication/70033791 ID - 70033791 ER -