TY  - RPRT
TI  - Water-quality assessment of the Potomac River Basin: Occurrence of pesticides in the Great Valley Carbonate subunit
AU  - Matthew J. Ferrari
AU  - Janet M. Denis
PY  - 1999
DO  - 10.3133/wri984054
UR  - https://pubs.usgs.gov/publication/wri984054
ID  - wri984054
ER  -