@misc{indiciaea1971033d6e7,
  title = {Hydrogeologic controls on nitrate transport in a small agricultural catchment, Iowa},
  author = {K. E. Schilling and M.D. Tomer and Y.-K. Zhang and T. Weisbrod and P. Jacobson and C.A. Cambardella},
  year = {2007},
  doi = {10.1029/2007jg000405},
  url = {https://pubs.usgs.gov/publication/70031704},
  note = {Source identifier: 70031704}
}