@misc{indiciae4f2089377d0d,
  title = {Water quality records in Iowa and Minnesota 1964},
  author = {U.S. Geological Survey},
  year = {1964},
  doi = {10.3133/70168619},
  url = {https://pubs.usgs.gov/publication/70168619},
  note = {Source identifier: 70168619}
}