TY - RPRT TI - Ecological relevance of current water quality assessment unit designations in impaired rivers AU - Megan J. Layhee AU - Adam J. Sepulveda AU - Andrew Ray AU - Greg Mladenka AU - Lynn Van Every PY - 2016 DO - 10.1016/j.scitotenv.2015.06.043 UR - https://pubs.usgs.gov/publication/70162269 ID - 70162269 ER -