TY  - RPRT
TI  - Seasonal and annual load of herbicides from the Mississippi River Basin to the Gulf of Mexico
AU  - G. M. Clark
AU  - D. A. Goolsby
AU  - W.A. Battaglin
PY  - 1999
DO  - 10.1021/es980962u
UR  - https://pubs.usgs.gov/publication/70185244
ID  - 70185244
ER  -