@misc{indiciaea3932168e678,
  title = {Landslide overview map of the conterminous United States},
  author = {Dorothy H. Radbruch-Hall and Roger B. Colton and William E. Davies and Ivo Lucchitta and Betty A. Skipp and David J. Varnes},
  year = {1982},
  doi = {10.3133/pp1183},
  url = {https://pubs.usgs.gov/publication/pp1183},
  note = {Source identifier: pp1183}
}