TY - RPRT TI - Point sources and agricultural practices control spatial-temporal patterns of orthophosphate in tributaries to Chesapeake Bay AU - Rosemary M. Fanelli AU - Joel D. Blomquist AU - Robert M. Hirsch PY - 2019 DO - 10.1016/j.scitotenv.2018.10.062 UR - https://pubs.usgs.gov/publication/70222369 ID - 70222369 ER -