@misc{indiciaeda5a65ce5114,
  title = {Maps showing the bottom topography of the Chicago near-northside lakefront},
  author = {J. S. Schlee and Michael Chrzastowski and L.D. North},
  year = {1988},
  doi = {10.3133/mf2064},
  url = {https://pubs.usgs.gov/publication/mf2064},
  note = {Source identifier: mf2064}
}