@misc{indiciae6a9a9675a228,
  title = {Sources and transport of phosphorus and nitrogen during low-flow conditions in the Tualatin River, Oregon, 1991-93},
  author = {Valerie J. Kelly and Dennis D. Lynch and Stewart A. Rounds},
  year = {1999},
  doi = {10.3133/ofr99232},
  url = {https://pubs.usgs.gov/publication/ofr99232},
  note = {Source identifier: ofr99232}
}