@misc{indiciaead9be8e863c3,
  title = {Sources and transport of phosphorus in the Western Lake Michigan Drainages},
  author = {Dale M. Robertson},
  year = {1996},
  doi = {10.3133/fs20896},
  url = {https://pubs.usgs.gov/publication/fs20896},
  note = {Source identifier: fs20896}
}