@misc{indiciae8f35eab3e561,
  title = {Machine learning predictions of nitrate in groundwater used for drinking supply in the conterminous United States},
  author = {Katherine Marie Ransom and Bernard T. Nolan and Paul E. Stackelberg and Kenneth Belitz and Miranda S. Fram},
  year = {2021},
  doi = {10.1016/j.scitotenv.2021.151065},
  url = {https://pubs.usgs.gov/publication/70225673},
  note = {Source identifier: 70225673}
}