@misc{indiciaec6f9f5dbd201,
  title = {Preliminary map of landslide deposits in Colorado},
  author = {R. B. Colton and J. A. Holligan and L. W. Anderson and Penny E. Patterson},
  year = {1976},
  doi = {10.3133/i964},
  url = {https://pubs.usgs.gov/publication/i964},
  note = {Source identifier: i964}
}