@misc{indiciae70c5d71be293,
  title = {Surficial geologic map of Berrien County, Michigan},
  author = {Byron D. Stone},
  year = {2001},
  doi = {10.3133/ofr01156},
  url = {https://pubs.usgs.gov/publication/ofr01156},
  note = {Source identifier: ofr01156}
}