TY  - RPRT
TI  - Discharge, nitrate load, and residence time of ground water in the Chesapeake Bay watershed
AU  - Scott Phillips
AU  - Michael J. Focazio
AU  - L. Joseph Bachman
PY  - 1999
DO  - 10.3133/fs15099
UR  - https://pubs.usgs.gov/publication/fs15099
ID  - fs15099
ER  -