@misc{indiciaed258c72f563b,
  title = {Effects of agricultural practices and vadose zone stratigraphy on nitrate concentration in ground water in Kansas, USA},
  author = {M.A. Townsend and R. O. Sleezer and S.A. Macko},
  year = {1996},
  doi = {10.1016/0273-1223(96)00234-x},
  url = {https://pubs.usgs.gov/publication/70019018},
  note = {Source identifier: 70019018}
}