@misc{indiciaedd4b9222c587,
  title = {Percentile distributions of median nitrite plus nitrate as nitrogen, total nitrogen, and total phosphorus concentrations in Oklahoma streams, 1973-2001},
  author = {Brian E. Haggard and Jason R. Masoner and Carol Becker},
  year = {2003},
  doi = {10.3133/wri034084},
  url = {https://pubs.usgs.gov/publication/wri034084},
  note = {Source identifier: wri034084}
}