@misc{indiciae983eb56f69e5,
  title = {Water-quality data for Orwell reservoir and the Otter Tail River near Fergus Falls, Minnesota},
  author = {M.R. Have and L. H. Tornes},
  year = {1987},
  doi = {10.3133/ofr87537},
  url = {https://pubs.usgs.gov/publication/ofr87537},
  note = {Source identifier: ofr87537}
}