@misc{indiciae6f480751f090,
  title = {Geology and water resources of Winnebago County, Wisconsin},
  author = {Perry C. Olcott},
  year = {1966},
  doi = {10.3133/wsp1814},
  url = {https://pubs.usgs.gov/publication/wsp1814},
  note = {Source identifier: wsp1814}
}