@misc{indiciaefb363d4195ea,
  title = {Illinois landslide inventory map},
  author = {M. M. Killey and J.K. Hines and P. B. Du Montelle and Earl Braff},
  year = {1984},
  doi = {10.3133/mf1691},
  url = {https://pubs.usgs.gov/publication/mf1691},
  note = {Source identifier: mf1691}
}