TY  - RPRT
TI  - Occurrence and load of selected herbicides and metabolites in the lower Mississippi River
AU  - Gregory M. Clark
AU  - Donald A. Goolsby
PY  - 2000
DO  - 10.1016/s0048-9697(99)00534-3
UR  - https://pubs.usgs.gov/publication/70185211
ID  - 70185211
ER  -