@misc{indiciaea9e740c1ed3c,
  title = {Water resources of the Mississippi and Sauk Rivers Watershed, central Minnesota},
  author = {John O. Helgesen and Donald W. Ericson and Gerald F. Lindholm},
  year = {1975},
  doi = {10.3133/ha534},
  url = {https://pubs.usgs.gov/publication/ha534},
  note = {Source identifier: ha534}
}