TY  - RPRT
TI  - Herbicides and nitrates in the Iowa River alluvial aquifer prior to changing land use, Iowa County, Iowa, 1996
AU  - Mark E. Savoca
AU  - Jennifer L. Tobias
AU  - Eric M. Sadorf
AU  - Trevor L. Birkenholtz
PY  - 1997
DO  - 10.3133/fs08597
UR  - https://pubs.usgs.gov/publication/fs08597
ID  - fs08597
ER  -