TY - RPRT TI - Nutrient and suspended-sediment concentrations, trends, loads, and yields from the nontidal part of the Susquehanna, Potomac, Patuxent, and Choptank rivers, 1985-96 AU - Linda C. Darrell AU - Brenda F. Majedi AU - Joy S. Lizarraga AU - Joel D. Blomquist PY - 1999 DO - 10.3133/wri984177 UR - https://pubs.usgs.gov/publication/wri984177 ID - wri984177 ER -