@misc{indiciae4d4d715bba3f,
  title = {Water resources of Wisconsin--Lake Superior basin},
  author = {H. L. Young and Earl L. Skinner},
  year = {1974},
  doi = {10.3133/ha524},
  url = {https://pubs.usgs.gov/publication/ha524},
  note = {Source identifier: ha524}
}