TY  - RPRT
TI  - Distribution of major herbicides in ground water of the United States
AU  - Jack E. Barbash
AU  - Gail P. Thelin
AU  - Dana W. Kolpin
AU  - Robert J. Gilliom
PY  - 1999
DO  - 10.3133/wri984245
UR  - https://pubs.usgs.gov/publication/wri984245
ID  - wri984245
ER  -