TY  - RPRT
TI  - Monitoring nutrients in the major rivers draining to Chesapeake Bay
AU  - Donna L. Belval
AU  - Lori A. Sprague
PY  - 1999
DO  - 10.3133/wri994238
UR  - https://pubs.usgs.gov/publication/wri994238
ID  - wri994238
ER  -