@misc{indiciae4ddf1c305a23,
  title = {Water resources of the Lake Superior watershed, northeastern Minnesota},
  author = {Perry G. Olcott and D.W. Ericson and P.E. Felsheim and W.L. Broussard},
  year = {1978},
  doi = {10.3133/ha582},
  url = {https://pubs.usgs.gov/publication/ha582},
  note = {Source identifier: ha582}
}