@misc{indiciae1620b5d0a63a,
  title = {Preliminary interpretation of the high-resolution seismic stratigraphy beneath Lake Michigan},
  author = {D. S. Foster and Steven M. Colman},
  year = {1991},
  doi = {10.3133/ofr9121},
  url = {https://pubs.usgs.gov/publication/ofr9121},
  note = {Source identifier: ofr9121}
}