TY - RPRT TI - Patterns of diel variation in nitrate concentrations in the Potomac River AU - Douglas A. Burns AU - Matthew P. Miller AU - Brian A. Pellerin AU - Paul D. Capel PY - 2016 DO - 10.1086/688777 UR - https://pubs.usgs.gov/publication/70178393 ID - 70178393 ER -