@misc{indiciae28ce45380bd3,
  title = {Effects of changes in reservoir operations on water quality and trophic state indicators in Voyageurs National Park, northern Minnesota, 2001-03},
  author = {Victoria G. Christensen and G. A. Payne and Larry W. Kallemeyn},
  year = {2004},
  doi = {10.3133/sir20045044},
  url = {https://pubs.usgs.gov/publication/sir20045044},
  note = {Source identifier: sir20045044}
}