@misc{indiciae41ca1e6ecc30,
  title = {Recent geologic development of Lake Michigan (U.S.A.)},
  author = {D.L. Gross and R.A. Cahill},
  year = {1983},
  doi = {10.1007/bf00028451},
  url = {https://pubs.usgs.gov/publication/70011629},
  note = {Source identifier: 70011629}
}