@misc{indiciae7f304cf0c05e,
  title = {Water-resources investigations in Wisconsin},
  author = {D. E. Maertz},
  year = {1998},
  doi = {10.3133/ofr98295},
  url = {https://pubs.usgs.gov/publication/ofr98295},
  note = {Source identifier: ofr98295}
}