TY  - RPRT
TI  - Water quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96
AU  - Scott W. Ator
AU  - Joel D. Blomquist
AU  - John W. Brakebill
AU  - Janet M. Denis
AU  - Matthew J. Ferrari
AU  - Cherie V. Miller
AU  - Humbert Zappia
PY  - 1998
DO  - 10.3133/cir1166
UR  - https://pubs.usgs.gov/publication/cir1166
ID  - cir1166
ER  -