@misc{indiciae71a2880a3496,
  title = {Hydrogeologic setting of the Glacial Lake Agassiz Peatlands, northern Minnesota},
  author = {Donald I. Siegel},
  year = {1981},
  doi = {10.3133/wri8124},
  url = {https://pubs.usgs.gov/publication/wri8124},
  note = {Source identifier: wri8124}
}