@misc{indiciae6144e4b35042,
  title = {Geology of the unconsolidated deposits of Lake County, Indiana},
  author = {R.J. Vig},
  year = {1962},
  doi = {10.3133/ofr62143},
  url = {https://pubs.usgs.gov/publication/ofr62143},
  note = {Source identifier: ofr62143}
}