@misc{indiciae278d872f5df5,
  title = {Hydrogeologic and water-quality characteristics of the St. Peter aquifer, Southeast Minnesota},
  author = {J. F. Ruhl and R. J. Wolf},
  year = {1983},
  doi = {10.3133/wri834200},
  url = {https://pubs.usgs.gov/publication/wri834200},
  note = {Source identifier: wri834200}
}