@misc{indiciae2de77ff8d9af,
  title = {Estimation of nonpoint sources of phosphorus for lakes in the Puget Sound region, Washington},
  author = {Robert J. Gilliom},
  year = {1983},
  doi = {10.3133/ofr82161},
  url = {https://pubs.usgs.gov/publication/ofr82161},
  note = {Source identifier: ofr82161}
}