@misc{indiciae7e460c0b4210,
  title = {Geomorphic and sedimentologic evidence for the separation of Lake Superior from Lake Michigan and Huron},
  author = {J.W. Johnston and T.A. Thompson and D.A. Wilcox and S.J. Baedke},
  year = {2006},
  doi = {10.1007/s10933-006-9052-3},
  url = {https://pubs.usgs.gov/publication/70029958},
  note = {Source identifier: 70029958}
}