@misc{indiciae08827c0720bc,
  title = {National Irrigation Water Quality Program data-synthesis data base},
  author = {Ralph L. Seiler and Joseph P. Skorupa},
  year = {2001},
  doi = {10.3133/ofr00513},
  url = {https://pubs.usgs.gov/publication/ofr00513},
  note = {Source identifier: ofr00513}
}