@misc{indiciae668dae3c891e,
  title = {A review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon},
  author = {Gilbert C. Bortleson and Marvin O. Fretwell},
  year = {1993},
  doi = {10.3133/wri934087},
  url = {https://pubs.usgs.gov/publication/wri934087},
  note = {Source identifier: wri934087}
}