TY - RPRT TI - Occurrence and yields of triazine herbicides in the Susquehanna river and tributaries during base-flow conditions in the Lower Susquehanna River Basin, Pennsylvania and Maryland, June 1993 AU - Kevin J. Breen AU - Andrew J. Gavin AU - Ronald R. Schnabel PY - 1994 UR - https://pubs.usgs.gov/publication/70074773 ID - 70074773 ER -