@misc{indiciae2ad1ca5b2946,
  title = {The chemical composition of lakes in the North-Central United States},
  author = {Eville Gorham and W.E. Dean and J.E. Sanger},
  year = {1982},
  doi = {10.3133/ofr82149},
  url = {https://pubs.usgs.gov/publication/ofr82149},
  note = {Source identifier: ofr82149}
}