@misc{indiciae58e5bffa089d,
  title = {Spring distribution in Winona County, Minnesota, USA and the relationship with geologic strata in a karst landscape},
  author = {Mary A. Williams and Bruce C. Vondracek},
  year = {2010},
  doi = {10.1007/s13146-010-0037-y},
  url = {https://pubs.usgs.gov/publication/70173480},
  note = {Source identifier: 70173480}
}