@misc{indiciaef5a98e733edb,
  title = {Variables that affect agricultural chemicals in groundwater in Nebraska},
  author = {James A. Tindall and Abraham Chen},
  year = {2014},
  doi = {10.1007/s11270-013-1862-0},
  url = {https://pubs.usgs.gov/publication/70058700},
  note = {Source identifier: 70058700}
}