TY  - RPRT
TI  - Nonpoint source contamination of the Mississippi river and its tributaries by herbicides
AU  - W. E. Pereira
AU  - F. D. Hostettler
PY  - 2002
DO  - 10.1021/es00045a008
UR  - https://pubs.usgs.gov/publication/70017959
ID  - 70017959
ER  -