TY  - RPRT
TI  - Nonpoint-source agricultural chemicals in ground water in Nebraska; preliminary results for six areas of the High Plains Aquifer
AU  - Hsiu-Hsiung Chen
AU  - A.D. Druliner
PY  - 1987
DO  - 10.3133/wri864338
UR  - https://pubs.usgs.gov/publication/wri864338
ID  - wri864338
ER  -