@misc{indiciae0938fe0306ec,
  title = {Reconnaissance of mercury and methylmercury in the St. Croix River and selected tributaries, Minnesota and Wisconsin, July 2000 through October 2001},
  author = {G. A. Payne and Donald S. Hansen},
  year = {2003},
  doi = {10.3133/wri034223},
  url = {https://pubs.usgs.gov/publication/wri034223},
  note = {Source identifier: wri034223}
}