TY - RPRT TI - Exposure and potential effects of pesticides and pharmaceuticals in protected streams of the US National Park Service southeast Region AU - Paul M. Bradley AU - Kristin M. Romanok AU - Jeffrey R. Duncan AU - William Battaglin AU - Jimmy Clark AU - Michelle L. Hladik AU - Bradley Huffman AU - Luke Iwanowicz AU - Celeste A. Journey AU - Kelly L. Smalling PY - 2019 DO - 10.1016/j.scitotenv.2019.135431 UR - https://pubs.usgs.gov/publication/70207246 ID - 70207246 ER -