TY  - RPRT
TI  - National Water-Quality Assessment Program; The Lower Susquehanna River basin
AU  - K. J. Breen
AU  - R.A. Hainly
AU  - S. A. Hoffman
PY  - 1991
DO  - 10.3133/ofr91168
UR  - https://pubs.usgs.gov/publication/ofr91168
ID  - ofr91168
ER  -